Vixen BT-81S-A Astronomy Binoculars

The SLV eyepieces with high-quality lanthanum glass provide remarkably clear and high-contrast star images right up to the edge.The lenses are fully multi-coated for high light transmission.Thanks to the large and comfortable eye relief distance of 20 mm , the eye comfort is maintained, even during longer observing sessions.Even those who wear glasses will have the entire field of view is clearly visible.The click stop eyecups can be tuned up or down to the user's preference.PROPERTIESVery high sharpness and contrast across the entire field of viewComfortable eye relief of 20mmalmost no colour defects due to lanthanum glass1.25" 31.7 mm barrel sizeTurn-down eyecup for people who wear glassesWeight: 155 gWHAT'S INCLUDEDVixen SLV 50 ° eyepieceDust caps

The BRESSER Slider Binocular Mount, with its revolutionary design, offers unprecedented comfort for binocular observation - during the day and at night Thanks to the variable extension length of the two support rails (crossbars), the cardanic mount head and various adjustable slip couplings almost all binocular positions can be selected easily. Afterwards, the binoculars remain in their respective position thanks to the counterweights. During observation, it is usually not necessary to touch the binoculars. Whether you want to observe standing up, sitting on a swivel chair or lying down on a mat or bed, everything is possible. For wheelchair users the mount is also an interesting alternative to normal tripod solutions, where usually one tripod leg is always in the way. A steady image despite large binoculars and high magnification Especially when observing for a long time, even medium-weight binoculars weighing 500 grams or more and moderate magnifications of 10x or more make life difficult. Already after a short while the pictures blur and the arms get tired. Certainly, a high photo tripod can bring a significant improvement. But this solution is very limited in terms of the binoculars’ movability and the position of the observer. The BRESSER Slider Binocular Mount offers far more possibilities. Almost all desired binocular positions can be reached effortlessly. The patented design, with 2 counter-moving support rails (crossbars), is guided on special linear roller bearings inside the mount head with zero play. This allows the observer to vary the extension length as desired with little muscle power. The sliding resistance can be infinitely adjusted using 2 adjusting screws. In the middle of the slider mount’s centre of gravity, there is an axle with adjustable slipping clutch for the tilting and rotating movement. All bearings operate with absolute precision and backlash-free. For quick levelling, there is even a 30 mm fluorescent circular bubble in the base of the mount, which is easy to read even in the dark. Cardanic mount head The cardanic mount head works like a ball head. However, it offers a significantly higher load-capacity and more stability. Here, too, the sliding resistance of all moving parts can be adjusted to the user’s specific needs. The mount head offers several mounting holes for mounting a binocular holder via 1/4-inch photo screw or a standard GP prism clamp for mounting small telescopes. In addition, there are various holes on the side cheeks of the mount head for further accessories such as red light reading lamps, smartphone holders for the use of sky apps or LED viewfinders for quick sighting of celestial objects. Counterweights Several counterweights enable the exact balancing of the binoculars or telescope. Two counterweights of each 2.5 kg, 1.25 kg and 0.5 kg are included in the package and can be attached to the rear end of the mount on the mounting bolts on both sides. With the 2 included spring clamps the weights are secured on the bolts. Instead of the counterweights, a filled sandbag can also be attached to the existing mounting hook. This reduces the transport weight for planned excursions. Suitable for use with binoculars of up to 3.5 kg weightThe BRESSER Slider Mount can be used with binoculars of up to 3.5 kg weight. But it is also a real help for obtaining blur-free images with much smaller binoculars during long-term observations. It is mounted with an optionally available binocular tripod adapter, which is attached to the mount head with a 1/4-inch photo thread screw. Also highly recommended for compact refractor telescopesInstall an optionally available standard GP prism adapter on the mount head and use your travel telescope in a completely different way: as a high-quality spotting scope for landscape and sky observation. Tripod adapter The matching tripod adapter for using the optionally available BRESSER stainless steel Tripod ST-3 (item no.: 0114310) is already included in the slider mount’s scope of delivery. It converts the standard large 3/8-inch photo tripod thread (internal thread) in the base of the slider mount into a metric M10 thread. This means that after removing the adapter, a stable standard photo or video tripod with 3/8-inch mounting screw can also be used.GETTING STARTED VIDEO:  https://www.youtube.com/watch?v=AhJm3Cl1e9IFEATURESBRESSER Slider Binocular Mount without Tripod Enables comfortable and fatigue-free binocular observation Suitable for landscape and sky observation Shake-free and steady images at day and night Almost infinitely rotatable and swivelling cardanic mount head Supports binoculars and telescopes up to 3.5 kg weight Various observer positions are possible: standing, sitting and lying down Also a practical alternative to a photo tripod for wheelchair users Adjustable viewing height from approx. 30 cm to 170 cm (when using the BRESSER tripod, item no. 0114310)Dimensions when fully assembled: 125 x 35 x 180 cm (when using the BRESSER tripod, item no. 0114310)Total weight mount head incl. accessories: 14.5 kgWeight of mount head: 6 kg  Large 30 mm fluorescent circular bubble in the mounting base Mounting holes for further optional accessories available Several balance weights include: 2x 2.5 kg, 2x 1.25 kg, 2x 0.5 kg Adjustable friction clutches on all movable axes All surfaces high quality painted, powder coated or anodised Precise small series production - manufactured in the EU (Hungary)SCOPE OF DELIVERYSlider mount (binoculars + tripod not included)Tripod adapter 3/8 inch to M10 thread Balance weight 2.5 kg (2 pieces) Balance weight 1.25 kg (2 pieces) Balance weight 0.5 kg (2 pieces) Locking device for counterweights (2 pieces)

Take a look through the new Vixen BT-81S-A binocular telescope. This model is ideal for observing gas nebula, star clusters and comets. The magnesium fluoride coating reduces chromatic aberration and the large aperture of 81 mm ensures a razor-sharp, contrast-rich image. Weighing just 4.1 kg, the BT-81S-A binocular telescope is very transportable. FEATURES Objective lenses: 81 mm 2-lens achromat, multi-coated Focal length: 480 mm (f5.9) Resolution and limiting magnitude: 1.43 arc seconds; 11.3 Light-gathering power: 134x Dimensions and weight: 480 x 190 x 155 mm; 14.0 kg Adapter and connections: 31.7 mm clamp WHAT’S INCLUDED HF2 fork mount SXG-HAL130 tripod Carry handle finder shoeDew caps 2 SLV 20 mm eyepieces Swing bracket binocular cradle

Do you already own a BRESSER Photo Mount (Product No. 4964111) and you are searching for an extremly stable field tripod ?The height-adjustable stainless steel tripod with polar wedge is an extremely stable base for the BRESSER photo mount. Thanks to the integrated circular level in the tripod head even the leveling of the photo mount is child's play. The photo mount's head can be installed directly on the top of the polar wedge using two 1/4 photo thread screws. The distance between the two holes is 35mm, the hole diameter 6.3mm and is suitable for 1/4" photo thread screws.  FEATURESTripod for BRESSER äquatorial Photo-Mount (Product No. 4964111)Adjustable stainless steel field tripod with polar wedge and bubble levelLarge screws and handles for easy usage at nightTripod height max. 125cm  Weight tripod with polar wedge: 3.5 kgCarry capacity is up to 5,0 kgSCOPE OF DELIVERYUltra-stable stainless steel field tripod with bubble levelPolar wedge with adjusters for pole height and azimutInstallation tools    

The HF2 mount is an azimuthal fork mount for mounting large binoculars. It also requires the X000161 mounting plate for attachment of different binocular types. Not required with the BT126S-A. FEATURES Can be used with: SXG-HAL130, SXG-AL130, APP-TL130 Bearing capacity: 13 kg Weight: 3.4 kg WHAT’S INCLUDED HF2 fork mount Mounting tool

The BRESSER NightExplorer 7x50 astronomy binoculars are ideal for terrestrial observations in poor light conditions and discovering the night sky. They feature a 50-millimetre objective that lets in plenty of light. Thanks to the 7x magnification, objects that are 700 metres away appear to be just 100 metres in front of you. Compared with binoculars with a higher magnification, these binoculars allow you to see much more. At a distance of 1000 metres, the field of view is 126 metres wide. On clear nights, you can view large objects such as the Milky Way. During the day, you can explore fascinating landscapes until twilight. Coating In order to further increase the light transmission and counteract reflections, the premium BaK-4 optics (barium crown glass) have a full multi-layer coating. Focusing The 7x50 Porro binoculars also feature an individual eyepiece focus to ensure that you obtain a sharp image. This is set at a large depth of field. You only need to adjust the focus if the next object is far away from the previous one. To view objects in the immediate vicinity, you can adjust the close focus from 8 metres. Crystal-clear image, even when wearing glasses The binoculars are also suitable for people with visual impairments: the rubber eyecups can be folded over so that you can look through the eyepieces while wearing glasses and see the entire field of view. The dioptre adjustment of +/- 6 allows you to compensate for small differences in vision between each eye. Weatherproof and robust The Porro binoculars also produce an excellent image in poor weather conditions such as fog and rain. It features a waterproof design to ensure that no liquid gets inside the housing. The binoculars are also filled with nitrogen to prevent the lenses from fogging up. In addition, they have an ergonomic rubber armouring that provides a comfortable and secure grip and protects the sensitive optics against impacts/ Portable design The binoculars come with a lightweight aluminium tripod so that you can make observations from a fixed location. If you need to travel a little further, both the tripod and the binoculars can be transported in a practical backpack, which is also included with the set. Observe in poor light conditions and discover the night sky with the BRESSER NightExplorer 7x50 astronomy binoculars! FEATURES Powerful binoculars Suitable for use at twilight and for terrestrial observations Also suitable for observing large celestial objects such as open and globular clusters Magnification: 7x Lens diameter: 50 mm Optical design: Porro Full multi-layer coating BaK-4 glass material Eyepieces with rubber eyecups Individual eyepiece adjustment Large field of view: 126 m (at a distance of 1000 m) Close focus: from 8 m Dioptre adjustment: +/- 6 Tripod connection thread Includes Aluminium tripod Includes Backpack DELIVERY CONTENT Astronomy binoculars Tripod with quick release plate Backpack Instructions with warranty information

With a new optical design and extremely high resolution, the Vixen BT126SS binoculars provide a considerably more detailed view for astronomical observations. The BT126SS binoculars are characterized by two 126 mm achromatic object lenses and provide 300% more light than the naked eye. 45° angled eyepiece holders offer comfortable, fatigue-free observation. Each eyepiece holder has capacity for 1.25’’ eyepieces. The exchangeable eyepieces allow you to change magnification quickly for the various objects of observation. FEATURES Objective lenses: 126 mm 2-lens achromat Focal length: 625 mm Resolution and limiting magnitude: 0.93 arc seconds, 12.3 light-gathering power 324x Dimensions and weight: 630 x 360 x 200 mm; 10.5 kg Adapter and connections: 31.7 mm clamp WHAT’S INCLUDED Binoculars Carry handle Viewfinder base

Giant binoculars for observing the starry sky, nature and landscape. Observe the beauty of the starry sky at night and distant objects in nature during the day. Globular star clusters, glowing gas nebulae, the moon with its craters and even planets can be observed wonderfully on a clear night. But also all other distant things in nature and landscape, even ships and airplanes can be seen in detail. With the all-round binoculars of the EXPLORE SCIENTIFIC BT series, you can get up very close. Thanks to the large, light-gathering lenses and the professional coatings on all lens surfaces, these binoculars produce bright and brilliant images even at night and at twilight, providing a special viewing pleasure. The comfortable 45 degree viewing angle allows fatigue-free use even when the binoculars are tilted strongly.  Large binoculars can also be called a double refractor telescope One complete lens telescope with the full light gathering power is available per eye. Experience a whole new dimension of observing. Objects are reproduced almost vividly in these binoculars and observing with both eyes is basically very relaxed. Last but not least, this comfortable way of observation increases the recognition of the finest details and effectively prevents rapid eye fatigue. Extremely robust binoculars with magnesium housing, sealed and filled with nitrogen  The BT series binoculars are designed for tough outdoor use. The IPX6 sealed and nitrogen-filled design effectively prevents fogging of the internal optics even under difficult weather conditions. The very light magnesium housing saves weight and makes it easy to handle. Two EXPLORE SCIENTIFIC 20mm eyepieces of the 62 degree LER series already included. EXPLORE SCIENTIFIC is an established manufacturer of extremely high-quality eyepieces in the astronomy scene. An optical system is only as good as its weakest component. Therefore we have decided to deliver these giant binoculars with a pair of quality eyepieces of the 62 degree LER series. With an apparent field of view of 62 degrees and a focal length of 20mm, the BT-82 binoculars produce a 24x magnification. Thus these wide angle eyepieces offer a very good overview (field of view 2,6 degree) at moderate magnification. The large interpupillary distance of these LER (long eye relief) eyepieces of 15mm and soft silicone eyecups, which can be turned inside out, also guarantee a comfortable and relaxed view. For astronomy, a flat and sharp image field is advantageous and offers a particularly impressive viewing experience even during the day. Due to the waterproof design and the argon filling, these eyepieces are absolutely durable and easy to clean. Interchangeable eyepieces with 1.25 inch / 31.7mm plug-in diameter Adjust the magnification and field of view to your individual needs and choose from a wide range of available eyepieces. All eyepiece types with a plug-in diameter of 1.25 inch / 31.7mm can be used with the binoculars of the BT series. Especially recommended are EXPLORE SCIENTIFIC eyepieces of the 62 and 82 degree series with focal lengths from 8 to 26mm (see item No. 02188xx and 02196xx). The magnification can be varied from 18x to 60x (focal length binoculars : focal length eyepiece = magnification). The eyepieces are held in the binoculars by a precise brass compression ring clamp and guarantee a tilt free position.  Use of color and nebula filters for astronomical observations Increase the contrast and visibility of objects and details by screwing the corresponding filters directly into the thread of the eyepiece sleeves. The use of color and nebula filters must of course always be done in pairs. Suitable are all EXPLORE SCIENTIFIC screw filters with 1.25inch / 31.7mm diameter (see item No. 03102xx)  Comfortable 45 degree view and helical single focus The 45-degree viewing angle allows a relaxed observation position even when the binoculars are tilted strongly. Also the individual interpupillary distance can be adjusted in a range from 54 to 76mm. With the fine helical individual focusing, precise focusing is achieved effortlessly. Extendable dew caps The integrated dew caps can be removed in high humidity and cold conditions. This avoids fogging of the outer objective lenses and effectively shields additional control light coming in from the side. Integrated carrying handle A metal carrying handle located at the center of gravity facilitates transport and ensures a secure hold during tripod assembly. Suitable tripods and tripod connectionWhen using these large binoculars, a sturdy photo tripod with an appropriate load capacity is highly recommended. The connection is made via two 1/4 inch or one 3/8 inch threaded holes (standard photo tripod thread) in the tripod adapter of the binoculars. The ideal solution is to use the optional availlable EXPLORE SCIENTIFIC U-Mount with field tripod (item No. 0114300). This is specially designed for the large binoculars of the BT series and carries these devices absolutely safely. The excellent mechanism with adjustable friction in both axes allows easy moving and tracking. The binocular position is kept stable depending on the adjusted friction intensity. Vibrations are reduced to a minimum by the massive construction of the U-Mount and the large stainless steel tripod. Even at high magnification there are no vibrations and the finest details can be observed.FEATURES Large binoculars for observing the starry sky, nature and landscape Observe globular star clusters, glowing gas nebulae, the moon with its craters and even planets Also wild animals, ships and airplanes can be seen in detail Highly light gathering lenses produce a bright and high-contrast image All-round binoculars, but especially suitable in twilight and at night The comfortable 45 degree viewing angle allows fatigue-free use One complete lens telescope with the full light gathering power is available per eye Extremely robust binoculars with magnesium housing, sealed and filled with nitrogen Two EXPLORE SCIENTIFIC 20mm eyepieces of the 62 degree LER series already included 24x magnification and an apparent field of view of 62 degrees, true visible field of 2,6 degreesLarge interpupillary distance of 15mm to the eyepiece lens for comfortable viewing Eyepieces interchangeable and with standardized plug-in diameter of 1.25 inch / 31.7mm The magnification can be adjusted with optional eyepieces from 25x to 75x Precise brass eyepiece compression ring clamps for tilt-free fitColor and nebula filters can be used for astronomical observations Extendable dew caps prevent fogging of the outer objective lenses and stray light Integrated carrying handle facilitates transport and mounting on the tripod Tripod connection via two 1/4 inch or one 3/8 inch threaded holes (standard photo tripod thread) Tripod recommendation: EXPLORE SCIENTIFIC U-mount with field tripod (Art.No. 0114300) Objective type: Air spaced achromatic lens (2 elements/ 1 group) Coating: full multilayer coating on all optical surfaces Aperture, focal length and aperture ratio: 82mm / 470mm / F=5.7 Sealed to IPX6 standard and nitrogen filled: yes / yes Close focus distance: 35 meters Eyepiece mount diameter: 1.25'' / 31.7mm Adjustable interpupillary distance: 54 to 76 mm Helical single focus: yesBAK-4 prism system for a bright and high-contrast imageDimensions and weight of binoculars: 445 x 226 x 122mm, 4.3kg Housing color of binoculars:  white SCOPE OF DELIVERY Giant binoculars with carrying handle (without tripod)Eyepieces ES 20mm 62 degrees LER Series (2pcs)Precisely fitting foam insert for transport Dust covers for objectives and eyepiece sockets Instruction manual