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inStruCtion Manual
®
orion
Bt70 Binocular t elescope
#9547
IP Knob (not visible)
Diopter scale
Handle
Eyepiece holders
Dovetail holder for handle
Mounting plate (not visible)
Lens shades (retracted)
Figure 1. The Orion BT70 Binocular Telescope.
Customer Support (800) 676-1343
E-mail: support@telescope.com
Corporate Offices (831) 763-7000
Providing Exceptional Consumer Optical Products Since 1975
89 Hangar Way, Watsonville, CA 95076
IN 307 Rev. B 02/09
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Congratulations on your purchase of a pair of quality Orion binoculars. The BT70 Binocular Telescope provides the large light grasp you need for astronomical observation, but unlike a telescope, allows you to use both eyes simultaneously for viewing. This results in better image resolution, contrast, and brightness than a similar sized telescope can provide. The BT70 is a true binocular telescope, with optical quality seated. To remove the eyepieces, just pull the eyepieces and features you’d
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Since everyone’s eyes focus images slightly differently, binoculars in their case with the cover caps on when not in use. different observers will need to refocus the binoculars for The case has a lock on each latch for extra security. Use one of their own vision. the supplied keys to lock and unlock the latches. A removable shoulder strap is also provided for ease of transport. Fold-Down Eyeguards Avoid unnecessary shocks to the binocular, whether it is in its BT70 binoculars feature fold-d
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Specifications Objective lenses: 70mm clear aperture, air-spaced Body design: All metal construction, single achromatic doublets piece body design, waterproof Magnification: 20x eyepieces included, other Interior: Glare threaded, baffled, magnification eyepieces blackened available from Orion Lens shades: Retractable Focusing: Individual focus eyepieces Weight: 8 lbs. 15 oz. Field of view: 3.2° for the included eyepieces Mounting provision: 1⁄4"-20 mounting
