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Swift 11x80 BCF Observer Binoculars - 845
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Swift 11x80 BCF Observer Binoculars - 845
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Questions & Answers
- Magnification:
- 11 x
- Objective Lens Diameter:
- 80 mm
- Prism System:
- Porro
- Eye Relief:
- 16 mm
- Exit Pupil:
- 7.3 mm
- Field of View, Linear:
- 236 ft at 1000 yds
- Binoculars Focus System:
- Center Focus
- Twilight Factor:
- 29.7
- Close Focus:
- 60 ft
- Weight:
- 4.87 lb
- Magnification Type:
- Fixed
- Brightness Index:
- 52.9
- Tripod Adaptable:
- Yes
Code: SF-BI-845
MPN: 845
Product Info for Swift 11x80 BCF Observer Binoculars - 845
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:Â | Â Porro | |
| Magnification:Â | Â 11x | |
| Objective Diameter:Â | Â 80mm | |
| Angle of View:Â | Â 4.5? | |
| Field-of-View (@ 1000 Yds):Â | Â 236' (78 m at 1000 m) | |
| Minimum Focus Distance:Â | Â 60.0' (18.3 m) | |
| Exit Pupil Diameter:Â | Â 7.3mm | |
| Eye Relief:Â | Â 16mm | |
| Relative Brightness:Â | Â 52.9 | |
| Twilight Factor:Â | Â 29.7 | |
| Focus Type:Â | Â Center | |
| Weatherproofing:Â | Â None | |
| Tripod Socket:Â | Â Yes | |
| Dimensions:Â | Â Not specified by manufacturer | |
| Weight:Â | Â 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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Swift 11x80 BCF Observer Binoculars - 845 Unavailable & Discontinued Models
List of Unorderable Models
- Swift 11x80 BCF Observer Binoculars - 845 , MPN: 845 , Code: SF-BI-845
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