Telescopes & Binoculars Telescope User Manual

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89 Hangar Way, Watsonville, CA 95076

INSTRUCTION MANUAL

Providing Exceptional Consumer Optical Products Since 1975

Orion

BT70 Binocular Telescope

#9547

IN 307 Rev. B 02/09

Figure 1. The Orion BT70 Binocular Telescope.

Handle

IP Knob (not visible)

Diopter scale

Lens shades (retracted)

Mounting plate (not visible)

Dovetail holder for handle

Eyepiece holders

Summary of content (4 pages)

PAGE 1
instruction Manual Orion® BT70 Binocular Telescope #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.
PAGE 2
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 and features you’d expect of a fine astronomical instrument.
PAGE 3
Since everyone’s eyes focus images slightly differently, different observers will need to refocus the binoculars for their own vision. Fold-Down Eyeguards BT70 binoculars feature fold-down eyeguards on the eyepieces. The eyeguards are usually left in the up position for use without eyeglasses, as this helps prevent glare from entering between your eye and the eyepieces.
PAGE 4
Specifications Objective lenses: 70mm clear aperture, air-spaced achromatic doublets Body design: All metal construction, single piece body design, waterproof Magnification: 20x eyepieces included, other magnification eyepieces available from Orion Interior: Glare threaded, baffled, blackened Lens shades: Retractable Focusing: Individual focus eyepieces Weight: 8 lbs. 15 oz. Field of view: 3.