Telescope accessories for any task
Discover brilliant upgrades for your telescope set-up
Filters
BRESSER 2x Solar Snap Solar Eclipse Smartphone Filter + 2x Solar Eclipse Glasses
£11.95*
Your set for photographing and visually observing the sun – perfect for the solar eclipse on 2 August 2027 over Europe!The BRESSER Solar Snap solar eclipse smartphone filter and the Solar Snap App* – developed specifically for solar photography – capture the sun at its best, with no risk to your camera. When the moon passes between the earth and our star, it creates a truly spectacular sight that you'll want to capture for ever. To make sure your photos are as spectacular as the moment itself, the white-light filter film reliably blocks harmful UV and IR rays. The convenient hook-and-loop fastening secures the filter in seconds, accurately and precisely, on any smartphone. Afterwards, it can be removed just as quickly and without leaving any residue.NOTE: The smartphone solar filter should only be used in conjunction with the Solar Snap App* – specifically designed for solar photography – available in the App Store and on the Google Play Store. We also recommend trying the filter out before the big event.Includes: 2 certified BRESSER Solar Eclipse Glasses for complete peace of mindAlso in the box are 2 BRESSER Solar Eclipse Glasses, so you can sit back and enjoy the view! The high-quality white-light filter film blocks harmful UV and IR radiation, whilst delivering a natural, bright yellow image of the Sun. Robust and ready to use straight away, the glasses are fully reusable and meet the international safety standard EN ISO 12312-2:2015, independently verified by ICS INC. Laboratories – so you can observe in complete safety.FEATURES SMARTPHONE SOLAR FILTERSolar filter for smartphone camerasIdeal for solar eclipsesHigh-quality white-light filter film blocks harmful UV and IR raysTrue-to-life image of the sunHook-and-loop fastening – fitted in seconds, residue-free removal, compatible with all smartphonesShould only be used with the Solar Snap App* *Available for a small fee in the App Store & on Google PlayFEATURES SOLAR ECLIPSE GLASSESSpecialist glasses designed for safe solar eclipse viewingDelivers a natural, bright yellow image of the SunPerfect for safe visual observation of the SunHighly resistant to damageReady to use straight out of the boxMeets the eye and face protection standard EN ISO 12312-2:2015, independently verified by ICS INC. LaboratoriesSCOPE OF DELIVERY2x solar eclipse smartphone filter2x solar eclipse glasses
Currently unavailable
EXPLORE SCIENTIFIC Solarix Solar Filter Film A4
£19.90*
Observe solar eclipses, sunspots, planetary transits, flyovers by aircraft and satellites.For DIY construction of objective filters for smartphone cameras, telescopes, binoculars, photo and video cameras.Newly developed solar filter film with the optical quality of a high-quality glass filter but with the durability of a polymer film.Double protective filter thanks to the polymer carrier material with an additional reflective coating.Produces a very natural bright-yellow solar image.Also suitable for high magnifications.Very uniform brightness distribution.Ideal for visual and photographic use.Very low weight and therefore requires no additional counterweights.Extremely flat surface compared to most other film filters, which very easily develop creases and kinks.Very resistant to damage.Lab tested to DIN EN ISO 12312-2 : 2015-11100% safeTECHNICAL DATAMaterial thickness: 0.05 mmOptical density: 5Optical transmission: 1/1000 of 1% (99.999% reflection of incoming light)Format: A4 - 210 x 297 mmSCOPE OF DELIVERYFilter film, A4 formatInstruction manual
Available
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9
£24.00*
neutral density filterreduce glare and irradiationND96 filter
FEATURESreduces brightness for a higher contrastideal for observing the moon
SCOPE OF DELIVERY
1x Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)
Available
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Color Filter Set Essential 1,25" Red,Green,Blue,Yellow
£8.00*
£9.90*
(19.19% saved)
Color Filter Set Essential is recommended for Moon & Planets from 50mm (2") Aperture Essential Set includes the following filters: BRESSER Filter Red (1,25):The blue/blue green light is totally blocked. The contrast between the card and the lighter zones will enormously increase. This is truly helpful when you watch Jupiter or Saturn. Or for mars, watching the poles. BRESSER Filter Green (1,25):The green filter is to increase the contrasts enormously between the red and the blue regions of the cloud structures on the gas planets Jupiter and Saturn. Seeing our Earth Moon through the green filter, the contrasts of each ray crater become clearly more visible.BRESSER Filter Blue (1,25):The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer. BRESSER Filter Yellow (1,25):Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn. What ist a color Filter for and do we really need it? Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details. FEATURESVersatile colour filter set For eyepieces and accessories with 1.25" filter thread Increase contrast on moon and planets Making object details more visibleSCOPE OF DELIVERY4pcs color filter: Red, Green, Blue, Yellow
Available
EXPLORE SCIENTIFIC 1.25" UHC Nebula Filter
£58.00*
blocking the annoying lightEXPLORE SCIENTIFIC UHC filter nebulaehydrogen oxygen line hydrogen oxygen Owl-nebula M97Veil-nebula NGC699Dumbell-nebula M27 EXPLORE SCIENTIFIC nebula filters FEATURESenables the observation of emission nebulaeblocks almost the entire artificial lightonly the two emission lines of hydrogen and oxygen passes the filterWHAT'S INCLUDED1x 1.25" UHC nebula filter
Available
EXPLORE SCIENTIFIC Filter Set 2 Moon & Planets from 100mm (4")
£42.00*
Filter Set 2 is recommended for Moon & Planets from 100mm (4") Aperture
Set 2 includes the following filters:
Explore Scientific Filter 1.25" Green No.56 - 0310262
The green filter is to increase the contrasts enormously between the red and the blue regions of the cloud structures on the gas planets Jupiter and Saturn. Seeing our Earth Moon through the green filter, the contrasts of each ray crater become clearly more visible.
Explore Scientific Filter 1.25" Orange No.21 - 0310273
This one really supports the detection of the dark areas on the planet Mars. The details of the clouds of Saturn and Jupiter are also so much more visible through the Filter.
Explore Scientific Filter 1.25" Yellow No.12 - 0310267
Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn.
Explore Scientific Filter 1.25" Blue No.80A - 0310264
The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer.
What ist a color Filter for and do we really need it?
Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details.
FEATURES
Made from high-quality optical glass
Filter glass is absolutely parallel
All optical surfaces have anti reflex coatings
Filter housing from black anodized aluminum
Filter threads on both ends (female/male)
Multiple filters usage is possible
SCOPE OF DELIVERY
4pcs color filter
protection-case
Available
EXPLORE SCIENTIFIC 1.25" Variable Polarizing Filter
£58.00*
Universally usable variable polarizing filter with a 1.25" filter thread.This variable polarizing filter allows for a continuous adjustment of the image brightness. This is very helpful to level strong differences in contrast of different observation objects individually. Particularly for lunar and planetary observations but also for solar observations this filter prevents an outshining of details.Solar observations ONLY together with an adequate solar filter !!! Particularly when a Herschel wedge is used and with large objective lens apertures the use of the variable polarizing filter can reduce the brightness of the observation object to a confortable level. The large adjustment range of 40% to 1% light transmission and the neutral grey filter effect create a comfortable and unadulterated image.The handling is very simple. The desired filtering level is set by turning the two sides of the housing against each other.A 1.25" filter thread on both sides (female/male) allow for the simultaneous use of additional colour filters.FEATURESvariable polarizing filterindividually adjustable image brightnessmade from high-quality optical glassblack anodized aluminium housing1.25" filter thread on both sidesSCOPE OF DELIVERYpolarizing filterprotective box
Available
EXPLORE SCIENTIFIC Filter Set 3 Moon & Planets from 150mm (6")
£42.00*
Filter Set 3 is recommended for Moon & Planets from 150mm (6") Aperture
Set 3 includes the following filters:
Explore Scientific Filter 1.25" Light Blue No.82A - 0310265
The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer.
Explore Scientific Filter 1.25" Violet No.47 - 0310272
The purple filter is perfect for watching Venus. Seeing through it, the dark clouds of the Venus atmosphere become even better visible. He also clears up the structures of the rings around Saturn. Using big openings and having a clear sight this filter is also good for watching Merkur.
Explore Scientific Filter 1.25" Light Red No.23A - 0310271
The blue/blue green light is totally blocked. The contrast between the card and the lighter zones will enormously increase. This is truly helpful when you watch Jupiter or Saturn. Or for mars, watching the poles.
Explore Scientific Filter 1.25" Yellow-Green No.11 - 0310269
Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn.
What ist a color Filter for and do we really need it?
Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details.
FEATURES
Made from high-quality optical glass
Filter glass is absolutely parallel
All optical surfaces have anti reflex coatings
Filter housing from black anodized aluminum
Filter threads on both ends (female/male)
Multiple filters usage is possible
SCOPE OF DELIVERY
4pcs color filter
4pcs protection-case
Available
EXPLORE SCIENTIFIC Filter Set 1 Moon & Planets from 50mm (2'')
£42.00*
Filter Set 1 is recommended for Moon & Planets from 50mm (2'') Aperture
Set 1 includes the following filters:
Explore Scientific Filter 1.25" Light Yellow No.8 - 0310268
Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8“ and a clear sight, you even get to see various details of Saturn.
Explore Scientific Filter 1.25" Orange No.21 - 0310273
This one really supports the detection of the dark areas on the planet Mars. The details of the clouds of Saturn and Jupiter are also so much more visible through the Filter.
Explore Scientific Filter 1.25" Blue No.80A - 0310264
The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer.
EXPLORE SCIENTIFIC 1.25" Filter Grey ND0.9 - 0310245
The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradiation when observing the Moon with any telescope 4"(10.2cm) and larger. The ND96 filter may also be employed in the splitting of close double stars where one of the binary pair significantly exceeds the other in brightness.
What ist a color Filter for and do we really need it?
Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details.
FEATURES
Made from high-quality optical glass
Filter glass is absolutely parallel
All optical surfaces have anti reflex coatings
Filter housing from black anodized aluminum
Filter threads on both ends (female/male)
Multiple filters usage is possible
SCOPE OF DELIVERY
4pcs color filter
4pcs protection-case
Available
EXPLORE SCIENTIFIC 2" UHC Nebula Filter
£83.00*
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar system enormously. Depending on the type of the celestial object, it is possible to dramatically increase the contrast by blocking annoying artificial light. The EXPLORE SCIENTIFIC UHC filter "zeros in" on the wavelengths of so-called emission nebulae. Those objects glow in special colours - their emission lines. Those emission lines are linked to chemical elements - in this case hydrogen at 486nm and 656nm, plus oxygen at 496nm and 501nm. The EXPLORE SCIENTIFIC UHC nebula filter blocks all other colour wavelengths (and thereby nearly all of artificial light) and only the emission line of the hydrogen and oxygen can pass the filter. The result is astonishing: suddenly nebulae are visible at locations that were completely invisible from, without filters. In suburban skies, for example the Owl-nebula M97, the Veil-nebula NGC 6992 or even the bright Dumbell-nebula M27 are not clearly visible. Using this filter allows you to see nebulae and their structures in much finer detail. A must for every visual observer.
The Explore Scientific nebula filters come with a individual test certificate - your guarantee to receive a premium filter.
Currently unavailable
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EXPLORE SCIENTIFIC 1.25" O-III Nebula Filter
£49.00*
£73.00*
(32.88% saved)
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lights, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar systems enourmously. Depending on the type of the celestial object it is possible to increase the contrast dramatically by blocking the annoying artifical light. The EXPLORE SCIENTIFIC O-III filter uses a characteristic property of the so called emmission nebulae. Those objekcts glow in special colors, the so called emmission lines. Those emmission lines are linked to chemical elements - in this case oxygen. The EXPLORE SCIENTIFIC O-III nebula filter blocks all other colors (and thereby nearly all of the artificial light) and only the two emmission lines of the oxygen can pass the filter. The result is astonoishing: suddenly nebulae are visible at locations that were completely empty without filters. In suburbian skies for example the veil nebula NGC 6992 is almost not visible with a 200mm telescope. By using this filter you can see the nebula and its structures without problems. A must for every visual observer.
The EXPLORE SCIENTIFIC nebula filters come with a individual test certificate - your guarantee to receive a premium filter.FEATURESenables the observation of so called emmission nebulaeblocks almost the entire artificial lightonly the two emmission lines of the oxygen passes the filterSCOPE OF DELIVERY1x 1,25" O-III nebula filter
Available
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EXPLORE SCIENTIFIC 2" Variable Polarizing Filter
£59.00*
£79.00*
(25.32% saved)
Universally usable variable polarizing filter with a 2" filter thread.This variable polarizing filter allows for a continuous adjustment of the image brightness. This is very helpful to level strong differences in contrast of different observation objects individually. Particularly for lunar and planetary observations but also for solar observations this filter prevents an outshining of details.Solar observations ONLY together with an adequate solar filter !!! Particularly when a Herschel wedge is used and with large objective lens apertures the use of the variable polarizing filter can reduce the brightness of the observation object to a confortable level. The large adjustment range of 40% to 1% light transmission and the neutral grey filter effect create a comfortable and unadulterated image.The handling is very simple. The desired filtering level is set by turning the two sides of the housing against each other.A 2.0" filter thread on both sides (female/male) allow for the simultaneous use of additional colour filters.FEATURESvariable polarizing filterindividually adjustable image brightnessmade from high-quality optical glassblack anodized aluminium housing2.0" filter thread on both sidesSCOPE OF DELIVERYpolarizing filterprotective box
Available
%
EXPLORE SCIENTIFIC 2" O-III Nebula Filter
£87.00*
£109.00*
(20.18% saved)
blocking the annoying lightEXPLORE SCIENTIFIC O-III filteremission nebulaeEXPLORE SCIENTIFIC O-III nebula filter only the two lines of the oxygen can pass the filterEXPLORE SCIENTIFIC nebula filters FEATURESenables the observation of so called emission nebulaeblocks almost the entire artificial lightonly the two emission lines of ionised oxygen passes the filterWHAT'S INCLUDED1x 2" O-III nebula filter
Available
EXPLORE SCIENTIFIC Sun Catcher Solar Filter for 60-80mm Telescopes
£24.90*
Explore Scientific's Sun Catcher Variable Large Aperture Solar Filtersadvanced 'Solarlite'Thousand Oaks Optical NOTE:ISO12312-2 Thousand Oaks Opticalapproved for direct observation of the Sun.SPECIFICATIONSSpecial objective filter for safe solar observationsISO12312-2 ratedField-stop diameter 60mmFits to outer telescope tube diameter from 60 to 160mmQuick individual match with your telescope diameterFast Setup - Easy UseSCOPE OF DELIVERY1x Sun Catcher solar filter
Currently unavailable
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Planetary UV + IR Cut Filter for BRESSER CMOS Cameras
£23.00*
£29.00*
(20.69% saved)
The BRESSER UV + IR Cut Filter makes lunar and planetary images even sharper.Digital astro cameras have a wide sensitivity range that significantly exceeds the spectrum of visible light. Thus, the wavelengths of invisible light in the ultraviolet and infrared are also captured. This leads inevitably to a small additional and of course unwanted blur. The solution is this UV + IR Cut Filter, which allows only light in the visible range 400 nm to 680 nm to pass through and blocks all other wavelengths of light. As soon as these disturbing light waves are cut off, the sharpness of the image and the contrast are increased. Suddenly, details on the surface of Jupiter, for example, can be seen that were previously only barely visible. A clear plus, which can be achieved by this filter.Suitable for BRESSER CMOS cameras and other manufacturers with female camera thread M30 x 0.75 mmAfter removing the original screw adapter with sensor protection glass, the BRESSER UV + IR Cut filter is mounted to the camera instead. This filter has a fine M30 x 0.75 mm external thread for mounting on the camera. The exchange is therefore quick and easy. On the opposite side, i.e. on the telescope side, there is a standard C-mount female thread for mounting other accessories. Note: This filter does not have a standard 1.25 inch (31.7 mm) filter thread. FEATURESBRESSER UV + IR Cut Filter for photographyWavelengths of invisible light in ultraviolet and infrared are blockedPasses only visible light in the range 400nm to 680nmLunar and planetary images become even sharperSuitable for BRESSER CMOS cameras an othersMale fine thread M30 x 0.75mm for mounting on the camera housingC-Mount internal thread for mounting further accessories Quick and easy mounting of the filterGlass filter made of fine optical glassPlane-parallel polished and multiple layer coatedFilter housing made of matt black anodized aluminumHousing outer diameter 31.7mm (1.25 inch)Diameter of free light transmission 17.0mm (1.25 inch) SCOPE OF DELIVERYUV + IR Cut Filter (1 pc)
Available
EXPLORE SCIENTIFIC Sun Catcher Solar Filter for 110-130mm Telescopes
£31.90*
Explore Scientific's Sun Catcher Variable Large Aperture Solar Filters are available in many sizes to work on most telescopes from 60mm up to 10-inch Schmidt-Cassegrain and of course all Bresser and Explore Scientific Telescopes. The Solar Filter material being used is the new advanced 'Solarlite' Film manufactured by world famous Thousand Oaks Optical through years of research and development. 'Solarlite' is a new solar film that has the optical quality of glass with the advantages of impregnated polymer. Perfect also for the solar astrophotographer.NOTE: All Explore Scientific Solar Equipment is rated ISO12312-2 supplied by Thousand Oaks Optical and approved for direct observation of the Sun.These solar filters are available in different sizes, the picture above shows three different sizes as an example. This is the solar filter with 114mm filter diameter.SPEZIFICATIONSSpecial objective filter for safe solar observationsISO12312-2 ratedField-stop diameter 114mmFits to outer telescope tube diameter from 110 to 160mmQuick individual match with your telescope diameterFast Setup - Easy UseSCOPE OF DELIVERY1x Sun Catcher solar filter
Currently unavailable
EXPLORE SCIENTIFIC Filter Set 4 Moon & Planets from 200mm (8")
£42.00*
Filter Set 4 is recommended for Moon & Planets from 200mm (8'') Aperture
Set 4 includes the following filters:
Explore Scientific Filter 1.25'' Green No.56 - 0310262
The green filter is to increase the contrasts enormously between the red and the blue regions of the cloud structures on the gas planets Jupiter and Saturn. Seeing our Earth Moon through the green filter, the contrasts of each ray crater become clearly more visible.
Explore Scientific Filter 1.25'' Dark Blue No.38A - 0310263
The color of light blue really supports watching the high clouds on Mars. The contrast increases. The dark red structures will be shown even darker, so this is the perfect filter for watching the big red Flecks on the gas planet Jupiter. The rings of Saturn will be accentuated, the structures of the Venus Atmosphere will be even finer. Works well starting with a 10'' aperture.
Explore Scientific Filter 1.25'' Orange No.21 - 0310273
This one really supports the detection of the dark areas on the planet Mars. The details of the clouds of Saturn and Jupiter are also so much more visible through the Filter.
Explore Scientific Filter 1.25'' Light Yellow No.8 - 0310268
Watching the Moon surface through the filter, the contrasts will enormously increase. Same with planet Mars. On the huge planet Jupiter, when using the filter, you can even see the contrasts between the cloud-bands and a lot more details. Starting with a telescope diameter of 8'' and a clear sight, you even get to see various details of Saturn.
What ist a color Filter for and do we really need it ?
Color Filters darken the light slightly, that reaches the eye or the sensor of the camera. This eliminates for instance stronger transitions. The result is that your picture turns out with more contrast which automatically shows more details.
FEATURES
Made from high-quality optical glass
Filter glass is absolutely parallel
All optical surfaces have anti reflex coatings
Filter housing from black anodized aluminum
Filter threads on both ends (female/male)
Multiple filters usage is possible
SCOPE OF DELIVERY
4pcs color filter
4pcs protection-case
Available
EXPLORE SCIENTIFIC Sun Catcher Solar Filter for 80-102mm Telescopes
£25.90*
Explore Scientific's Sun Catcher Variable Large Aperture Solar Filtersadvanced 'Solarlite'Thousand Oaks Optical NOTE:ISO12312-2 Thousand Oaks Opticalapproved for direct observation of the Sun.SPEZIFICATIONSSpecial objective filter for safe solar observationsISO12312-2 ratedField-stop diameter 90mmFits to outer telescope tube diameter from 90 to 160mmQuick individual match with your telescope diameterFast Setup - Easy UseSCOPE OF DELIVERY1x Sun Catcher solar filter
Currently unavailable
Vixen Moon Filter ND
£42.00*
The bright moon becomes even brighter when viewed through a telescope.With large telescopes, observing at full moon can cause significant eye strain and impair your night vision when you move your eye away from the eyepiece.This moon filter reduces the amount of light, allowing you to observe the moon in comfort.The moon filter features a screw thread for 31.7 mm eyepieces.
FEATURES
Moon filter for 31.7 mm eyepiecesReduces the brightness of the moonProtects your eyes against bright moon lightWeight: 10 gDELIVERY CONTENTMoon filter
Available
EXPLORE SCIENTIFIC Sun Catcher Solar Filter for 150-165mm Refr.+8" SC
£47.00*
Explore Scientific's Sun Catcher Variable Large Aperture Solar Filters are available in many sizes to work on most telescopes from 60mm up to 10-inch Schmidt-Cassegrain and of course all Bresser and Explore Scientific Telescopes. The Solar Filter material being used is the new advanced 'Solarlite' Film manufactured by world famous Thousand Oaks Optical through years of research and development. 'Solarlite' a new solar film that has the optical quality of glass with the advantages of impregnated polymer. Perfect also for the solar astrophotographer.
NOTE: All Explore Scientific Solar Equipment is rated ISO12312-2 supplied by Thousand Oaks Optical and approved for direct observation of the Sun .
These solar filters are available in different sizes, the picture above shows three different sizes as an example. This is the solar filter with 165mm filter diameter.
FEATURES
Special objective filter for safe solar observations
ISO12312-2 rated
Field-stop diameter 165mm
Fits to outer telescope tube diameter from 150 to 280mm
Quick individual match with your telescope diameter
Fast Setup - Easy Use
SCOPE OF DELIVERY
1x Sun Catcher solar filter
Currently unavailable
EXPLORE SCIENTIFIC 2" Grey- Moonfillter ND-09
£45.00*
The neutral density filter transmits light uniformly across the entire
visual spectrum. It serves as an excellent filter to reduce glare and
irradiation when observing the Moon with any telescope 4"(10.2cm) and
larger. The ND96 filter may also be employed in the splitting of close
double stars where one of the binary pair significantly exceeds the
other in brightness.
Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)
Available
%
EXPLORE SCIENTIFIC 2" O-III Nebula Filter 6.5nm
£129.00*
£229.00*
(43.67% saved)
One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lighting, such as street lights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar system enormously. Depending on the type of celestial object, it is possible to increase the contrast dramatically by blocking the interfering artificial light.
The EXPLORE SCIENTIFIC O-III filteruses a characteristic property of the so-called emission nebulae. Those objects glow in special colours, the so-called emission lines. Those emission lines are linked to chemical elements - in this case, oxygen. The EXPLORE SCIENTIFIC O-III nebula filterblocks all other colours (and thereby nearly all the artificial light) and only the two emission lines of the oxygen can pass the filter. The result is astonishing: suddenly, nebulae are visible in locations that were completely empty without using filters. In suburban skies, for example, the veil nebula NGC 6992 is almost invisible with a 200 mm telescope. By using this filter, you can see the nebula and its structures without any difficulties. A must for every visual observer and for astrophotography.
The EXPLORE SCIENTIFIC nebula filterscome with an individual test certificate - your guarantee for receiving a premium filter.
This filter's narrow passband of only 6.5 nm bandwidth highlights the faint emission nebulae or makes them visible even under difficult urban conditions.
FEATURES
enables the observation of so-called emmission nebulae
blocks almost the entire artificial light
only the two emmission lines of the oxygen passes the filter
band pass width: 6.5 nm
narrow band version for difficult urban conditions
allows more contrast for faint deep sky objects
ideal for use near cities, in heavy brightened skies
individual test certificate included to guarantee you receive a premium filter
SCOPE OF DELIVERY
1x 2'' O-III nebula filter
Currently unavailable
