EXPLORE SCIENTIFIC 1.25" S-II Nebula Filter 12nm

The EXPLORE SCIENTIFIC S-II filter allows the accurate observation of planetary nebulae, emission nebulae and supernova remnants

  • High-quality EXPLORE SCIENTIFIC S-II filter
  • Only lets the emission line of ionized sulfur at 672 nm pass
  • Absorbs all other emission lines and almost all artificial light
  • For planetary nebulae, emission nebulae and supernovae
  • Band pass width: 12 nm
  • Ideal for use near cities, in slightly brightened skies
  • Individual test certificate included to guarantee you receive a premium filter

£95.00*

% £119.00* (20.17% saved)

Available, delivery time: 1-3 days

Product number: 0310115
EAN: 4007922072685
WEEE-Reg.-Nr.: DE 34323861

With BRESSER, you can enjoy a smooth introduction to the vast world of astronomy. Our detailed information ("Telescope Guide") provides valuable tips for beginners—but even experienced astronomers can use the information we provide (e.g., tables for the geographical latitude of all major world cities) as a reference.

Here is the table of contents of the comprehensive BRESSER Telescope Guide:

Sky Guides by Bresser

The Sky Guide provides comprehensive information on constellations, planetary positions, and astronomical events – perfect for planning your observations and delving deeper into astronomy.
Visit the guide directly here to make the most of your observations!
Product information "EXPLORE SCIENTIFIC 1.25" S-II Nebula Filter 12nm"
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 celestial object, it is possible to increase the contrast dramatically by blocking the interfering artificial light.

The EXPLORE SCIENTIFIC S-II filter uses the property of the so-called emission nebulae. These objects glow in certain colors, the so-called emission lines. The emission lines are associated with certain chemical elements - in this case ionized sulfur. The EXPLORE SCIENTIFIC S-II nebula filter blocks all other colors (and thus almost all artificial light) and lets only the emission lines of ionized sulfur at 672 nm through. The effect is amazing: suddenly, nebulae become visible in places that appear completely empty without the filter. In slightly brightened skies many planetary nebulae, emission nebulae and supernova remnants can be seen without any difficulties when using this filter. A must for every visual observer and for astrophotography.

EXPLORE SCIENTIFIC nebula filters come with an individual test report - so you can be sure to get high quality filters.


FEATURES
  • Simplifies the observation of planetary nebulae, emission nebulae and supernova remnants
  • Blocks almost all artificial light
  • Lets only the emission lines of ionized sulfur at 672 nm pass
  • Transmission bandwidth: 12 nm
  • Allows for more contrast in faint deep sky objects
  • Ideal for use near cities, in slightly brightened skies
  • Individual test certificate included to guarantee you receive a premium filter

SCOPE OF DELIVERY
  • 1x 1.25'' S-II nebula filter
Batteries required: No
Colour: black
Extended warranty (years): 10
Eyepiece Barrel Diameter (mm): 31.7
Field of application [Telescope-filter]: Filter for Deep-Sky Observing and Astrophotography
Filter thread size (mm): 31.75
Material: Glass , Plastic
Net weight (without access.) (g): 10
Telescope filter type: Nebula Filter

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Product and safety instructions


Manufacturer: 
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede

Contact: 
www.bresser.de


Warning notes
  • General safety instructions DANGER Risk of eye injuries! Never look directly at the sun or near the sun through this device. There is a risk of blindness! Children should only use the device under supervision. Keep packaging materials (plastic bags, rubber bands, etc.) away from children! There is a risk of suffocation! FIRE HAZARD! Do not expose the device – especially the lenses – to direct sunlight! The light concentration could cause fires. RISK of material damage! Do not dismantle the device! In case of a defect, please contact your dealer. They will contact the service center and may send the device in for repair. Do not expose the device to temperatures above 60°C!
  • Never look at the sun through an eyepiece/telescope without a certified protection filter. A moon filter can never be used for solar observation. The moon filter is only suitable for moon observation. The solar filter must be mounted in front of the telescope opening, not at the eyepiece. Otherwise, the concentrated light beam through the optics will immediately destroy the filter foil, leading to severe eye damage, including permanent blindness.
  • Never leave the optics unattended. Children and inexperienced adults could point the telescope at the sun without proper precautions and lose their eyesight.
  • Do not expose the device to high temperatures.

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