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Swift 11x80 BCF Observer Binoculars - 845 are good for both long range work as well as astronomy. These can be handheld but include a tripod mount and are best employed upon a steady support. The enormous 7.2mm exit pupil provides ample brightness for comfortable stargazing.

Specifications for Swift 11x80 BCF Observer Binoculars:

Prism Type:		Porro
Magnification:		11x
Objective Diameter:		80mm
Angle of View:		4.5?
Field-of-View (@ 1000 Yds):		236' (78 m at 1000 m)
Minimum Focus Distance:		60.0' (18.3 m)
Exit Pupil Diameter:		7.3mm
Eye Relief:		16mm
Relative Brightness:		52.9
Twilight Factor:		29.7
Focus Type:		Center
Weatherproofing:		None
Tripod Socket:		Yes
Dimensions:		Not specified by manufacturer
Weight:		4.87 lb (2211 g)

Features of Swift 11x80 BCF Observer Binoculars:

• Relative light efficiency of 79.3.
• Capable of handling poor light conditions, comparable to 7x50's
• Marvelous choice for star gazing & yacht clubs
• Porro prisms and 3 lens kellner system, using 5 of the most modern indexes of optical glass
• Magenta coated air-to-glass surfaces
• Retracting rubber eyecups
• Includes adapter for optional tripods

Package Contents:

• Swift 11x80 BCF Observer Binoculars #845
• Case
• Strap
• Caps
• Tripod Adapter
• Lifetime Warranty

In addition to Swift 11x80mm BCF Observer Binoculars - 845, make sure to check other Swift Binoculars and other Swift products offered in our store.

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