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Swift Audubon 8.5×44

Specifications: Objective diameter:  44 mm Magnification:  8.5 x Exit pupil: 5.2 mm Eye relief (effective, measured from rim of eyecup): 16.5 mm IPD: 57  - 73 mm RFOV:  8.2  degrees = 143 m Focus type:  CF Prism system:  Porro…