Rare Fast Lens OP-451 (OR-451) 1:0,04 f=489, for Soviet 5REM-600R S/N 830172

Meta:

Exterior Material : Aluminum
MPN : 830172
Maximum Aperture : f/0,04
Brand : OR
Series : OP
Compatible Lens Front : 136 mm
Type : Full Frame, Macro/Close Up, Portrait, Standard, Lens, Full Frame, High Quality, Macro/Close Up
Year Manufactured : 1980s
Item Weight : 0.61 lbs
Compatible Brand : For Canon, For Fujifilm, For Leica, For Lumix, For Pentax, For Samsung, For Sigma, For Sony, For Zenit
Country/Region of Manufacture : Russian Federation
Model : OP-451
Compatible Filter Size : 136 mm
Mount : screw 125mm
Focal Length : 489,5mm
Focus Type : Fixed/Prime

Clean lens No Fungus. aperture works smoothly “The OR-451 lens (6.2/488) is a symmetrical six-lens anastigmat with chemically brightened lenses The lens aperture is iris. The lens does not have a focusing frame. Basic technical data: Focal length, mm – 486.6 +-2% Relative aperture – 1:6.2 Linear field of view, mm – 620 Aperture limits – 1:6.2 … 1:22 Working distance, mm – 952.4 Anterior focal segment, mm – -452.0 Rear focal segment, mm – 452.0 Light transmission coefficient, not less than – 0.75 Resolving power, lines/mm (on film “Mikrat-200”) in the center no less than 12 at the edge of the field at least – 7 Focusing limits, m —————— Number of lenses – 6 Light diameter of the first surface, mm – 100 Light diameter of the last surface, mm – 100 Weight, g – 2270 The lens works at a scale of 1: 1.

Rare Fast Lens OP-451 (OR-451) 1:0,04 f=489, for Soviet 5REM-600R S/N 830172

Related products