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Oberwerk 100mm Binocular Telescope

Require something more versatile than the 25/40x100 Long Range Observation Binoculars? This is a modified version of the 25/40x100 long range observation binoculars, which utilizes 1.25" non-rotating helical focusers rather than permanently-mounted eyepieces on turrets. One matched pair of 25x (24.43mm) fully multi-coated wide-angle eyepieces is included. And because the helical focusers utilize industry-standard 1.25" barrels, your favorite telescope eyepieces can be used on these giant binoculars to obtain other magnifications. The eyepieces do not rotate when focusing- a feature found only on high-end brands. Extended focus range is another advantage to this binocular telescope. It is able to focus much more closely at higher magnifications than the long range observation binoculars. The rest of the binocular telescope, including the semi-apochromatic triplet objectives, is the same proven design as found in the original 25/40x100mm long-range observation binocular. And just like the 25/40x100mm Long-Range, broadband multi-coatings are used throughout the binocular telescope, including on the massive porro prisms.
Complete package price includes binocular, 7x50mm correct-image finderscope, removable handle, lightweight nylon form-fitted case, a sturdy wooden tripod, and 25x eyepieces. The tripod can be upgraded to our premium jarrah hardwood tripod for $100. Either tripod can also be custom laser-engraved.
Because accurate collimation of observation binoculars is important at higher magnifications, each pair of Oberwerk high power binoculars is collimated to perfection prior to shipping, so you'll always enjoy perfectly merged images even at highest usable magnification.

Objective size

100mm (f/l 620mm)

Magnification

Variable based on eyepiece focal length
25x eyepieces included

Prism

BAK4

Optic coating

Fully Multi-coated
including all oculars

Field of view

25x- 2.5°
Apparent FOV- ~67°

Exit pupil diameter

25x- 4mm

Exit pupil distance (eye relief)

25x- 16mm

IPD (inter-pupil distance) range

58-80mm

Weight

26 lbs, tripod 16 lbs.

BT-100 on included tripod, objective view BT-100 on included tripod, eyepiece view BT-100, 100mm triplet objectives and 7x50mm finder-scope BT-100, 1.25-inch focusers and 7x50mm finder-scope BT-100 side view Uses any 1.25-inch telescope eyepieces
Photo gallery
BT-100 on included tripod, objective view
 Next shipment arrives mid-January. Orders are shipped in the order they are received, so order now to get on the list. Your card is not charged until we are ready to ship.
Binocular with 25x oculars, 7x50 finder-scope, tripod, case-
Retail $2495 Sale price- $1995   
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