Product Info for Celestron Granite 7x33 Binoculars
The Celestron Granite ED Binocular - 7x33mm 71378 has been created to be the epitome of optical and mechanical design. This Binocularfrom the experts at Celestron offers all the features you'd expect from a top-of-the-line binocular, including ED (Extra Low Dispersion) glass. The ED objective lenses and fully multi-coated optics on the Celestron Granite 33mm Roof Prism Binocular provide excellent sharpness and color correction, while virtually eliminating chromatic aberration. The Celestron Granite Outdoor Binocular also features BaK-4 prisms with phase and dielectric coatings to increase light transmission and overall image quality. As the name suggests, this Celestron Binocular made to withstand the test of time. The Celestron 7x33 Granite Binoculars are constructed from magnesium alloy, which is tougher and lighter than aluminum.
Specifications for Celestron Granite 7x33 Binoculars:
Diameter:
33 mm (1.3 in)
Magnification:
7 x
Weight (oz):
21.2 oz (601 g)
Angular Field of View (deg):
9.1 °
Linear Field of View (@1000 yds):
477ft / 159m
Exit Pupil (mm):
4.7mm mm (0.19 in)
Eye Relief (mm):
15 mm (0.59 in)
Near Focus (Binoculars):
6.5ft ft (1.98 m)
IPD Max:
73 mm (2.87 in)
IPD Min:
56 mm (2.2 in)
Prisms:
BaK-4
Optical Coatings:
Fully Multi-Coated
Weather Proof:
Waterproof / Fogproof - Nitrogen Purged
Tripod Adaptable:
Yes
Size:
5.5" x 4.9" x 2.1" / 140mm x 125mm x 55mm in (140 mm)
ED Objective Lenses: Extra Low Dispersion (ED) glass minimizes chromatic aberration, providing accurate color reproduction, increased resolution and contrast.
Fully Multi-Coated Optics: Maximum light transmission through the optical path for brighter images.
Extremely Wide Field of View: Allows the user to quickly acquire the subject being viewed. Larger viewing area makes it easier to follow subjects when they move.
BaK-4 Prisms w/ Phase and Dielectric Coatings: Increases light transmission through the prism system for brighter images. Increases contrast and resolution.
Open hinge design w/magnesium alloy body: Ergonomic open hinge design with a lightweight, durable magnesium frame that is easy to hold. Easy to use for extended periods of time and carry on long excursions. Simple operation even with one hand.
6.5’ Close Focus: Detailed, up close observation of subjects in close proximity. Ideal for watching birds, insects, plants, etc.
Metal Twist-Up Eyecups: Twist-up eyecup for correct positioning of the users eyes for comfortable viewing with or without eyeglasses. Granite's metal design is more durable than plastic.
Tripod adaptable: Attach the binocular to a tripod for extended viewing sessions.