Mir-1V review

Specifications of Mir-1V: Focal distance: 37mm Max and min aperture: F2.8-F16 Number of lenses / groups: 6 lenses in 5 groups MDF: 70cm Weight: 240g Number of diaphragm blades: 8 Mount: M42 thread The diameter of front filter: 49mm Resolution of TU (center/edge): 45/23 lines/mm Transm
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