Swift Audubon 820 ED 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 AFOV (measured, rounded): 59.5 degrees Minimum focus distance (measured): 5.55 m Focus type: CF (direction of rotation from close to infinity: > […]
