If a observing session is a relaxing and joyful experience is heavily dependend on the choice of eyepieces. People wearing glasses very often have the problem to see the entire field of view when they are using eyepieces with large apparent fields. This problem is now history. The new 62°- LER eyepieces by Explore Scientific do not only offer excellent image sharpness and high resolution and contrast over the full field of view - you can see that full field without problems even with glasses on. Fatigue due to tense head positioning and strained viewing simply does not happen because of the excellent viewing comfort these eyepieces provide even to observers wearing glasses. Enjoy the unique combination of excellent image sharpness out to the edge of the field even for fast optics, superior contrast and unmatched viewing comfort. Eyepieces with perfect combinations of various modern glass substrates and highest standards in manufacturing, quality control and service are a tradition at Explore Scientific - the outstanding resolution and sharpness to the very edge.These eyepieces are the choice for observers wearing glasses - with excellent performance and durability. The rubber inlet and the foldable eyecups make handling and using in the field easy. The patentet EMD"-coating produces high contrast images and prevents reflexes and ghosting. The argon purging effectively prevents internal fogging, and you don´t have to deal with dirt, fungus or cleansing fluids getting between the lenses. The eyepieces are sealed - this makes sure you will be able to enjoy these eyepieces for many years to come.Eye relief: 12mm

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-100 binoculars produce a 28x magnification. Thus these wide angle eyepieces offer a very good overview (field of view 2,3 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 21x to 70x (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 28x magnification and an apparent field of view of 62 degrees, true visible field of 2,3 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 21x to 70x 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: 100mm / 550mm / F=5.5 Sealed to IPX6 standard and nitrogen filled: yes / yes Close focus distance: 25 meters Eyepiece mount diameter: 1.25'' / 31.7mm Adjustable interpupillary distance: 54 to 76 mm Helical single focus: yes BAK-4 prism system for a bright and high-contrast imageDimensions and weight of binoculars: 520 x 270 x 155mm, 6.8kg 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

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. Very flat design, with only 5.0mm light path. FEATURESreduces brightness for a higher contrastideal for observing the mooncan be combined with other colour filtersvery flat design, with only 5.0mm light path SCOPE OF DELIVERY 1x Color Filter #ND96 Moon Filter (0.9 density; 13% transmission)

Massive fork mount with excellent and adjustable mechanics for large binoculars with tripodWhen using giant binoculars, a stable mount and tripod with an appropriate load capacity is absolutely necessary. The new EXPLORE SCIENTIFIC U-mount with field tripod has been specially designed for the EXPLORE SCIENTIFIC BT series of giant binoculars, but also fits most other binoculars from 70 to 120mm lens diameter, which have a 1/4 inch photo thread connection on the underside. With the U-mount there is no shaking or annoying vibrations, the combination is as solid as a piece of iron and provides unlimited observation pleasure in all binocular adjustment positions. Whether you are observing the starry sky or the landscape, the U-mount is a solid base for your giant binocular and allows soft and smooth movements in both axes.The U-mount as a base for giant binoculars and always with you on every excursionAn easily transportable but solid mount is essential when using giant binoculars. A simple photo tripod with ball head or video tilt head is quickly overloaded here. The new EXPLORE SCIENTIFIC U-mount has an excellent mechanism with adjustable friction in both axes, and allows easy adjustment and tracking even when the load is fully utilised. Depending on the adjusted intensity of the friction, the binocular position is kept stable or a soft and smooth movement can be achieved. The large adjustment screws on both axes are smooth and easy to operate even with gloves and clammy fingers. Vibrations are reduced to an absolute minimum by the solid construction of the U-mount. Even at high magnification, there are no shakes and the finest details can be observed. The U-mount and tripod can be separated for easy transport.Mounting the large binoculars on the U-mountThe binoculars can be mounted and removed in a few seconds using the quick-release adapter plate included in the scope of delivery. This is a major advantage, especially for mobile outdoor use. The connection between binoculars and adapter plate is made by two 1/4 inch threaded bolts (standard photo tripod thread), which are variably guided in a slotted hole. A universal use with different binoculars is thus possible. The double screw connection guarantees a very secure fit of the binoculars. The adapter plate itself is also attached to the U-mount with the help of two large clamping screws, which are easy to use even when wearing gloves. Nothing wobbles here and all controls are easy to use.The field tripod provides a secure standNo matter what the surface, the EXPLORE SCIENTIFIC field tripod provides a safe stand. The solid aluminium and stainless steel construction effectively suppresses any kind of vibration. The large 50mm diameter stainless steel tripod legs and the aluminium tripod head plate are an ideal combination and offer maximum stability with a moderate transport weight of only 5.8kg. With applied and retracted tripod legs, the transport dimension is only 80cm long. The included accessory tray additionally gives some tension outwards to the tripod legs and thus to increase the stability. By pulling out the tripod legs, the working height for the binoculars can be individually adjusted within a range of approx. 100 to 140cm. FEATURESSolid fork mount with tripod for giant binocularsComfortable observation position in all orientationsExcellent mechanism for adjustment and tracking of the binocularSmooth and even movement of the binocularStepless friction adjustment in both axesLarge hand wheels for adjustment - no problem even with glovesSecure holding of the binocular in all adjustment positionsIdeal vibration damping thanks to the sturdy stainless steel tripodIntegrated accessory tray made of aluminiumCarries binoculars up to 12kg absolutely safelyAdjustment range vertical axis: 0 to 90 degrees Adjustment range azimuth axis: 360 degrees (without limitation)Maximum possible width of the binoculars: 290mmQuick change adapter plate with 2 x 1/4 inch photo thread screwsDouble prismatic clamping of the quick-change adapter plateSetting height of tripod with mounting: approx. 100 to 140 cmTripod leg tube diameter: 50 mmTransportation size tripod: ca. 80 cm lengthWeight mounting/tripod: 5.5 / 5.8kgMaterial mounting/tripod: aluminium / stainless steelShipping size/weight mount: 51x42x28cm, 7.6kgShipping dimensions/weight tripod: 87x21x22cm, 6.5kgSCOPE OF DELIVERYU-Mount with field tripodQuick change adapter plateAccessories trayInstruction manual