Additional information:
-
Focal Length: 100.72 mm 2%
-
Relative aperture 1: 6.3
-
Angular field of view: 22 °
-
Limits iris: 1: 6.3 - 1: 12.5
-
Working distance: 47.8 mm ± 0,2
-
Front focal length: - 139.43 mm
-
Back focal length: 50.93 mm
-
Light transmission coefficient: 0.85
-
The resolving power (in the resulting image "AM" type): in the center - 21 lp / mm; on the edge of the field - 12.5 lines / mm
-
Focus Range: focus on "infinity"
-
Number of lenses: 4
-
Clear aperture of the first surface: 16.0 mm
-
Light diameter of the last surface: 10.0 mm
-
Components:
-
Maximum rim diameter: 50 mm
-
Rim height: 50 mm
-
Bore diameter: 32 mm
-
Landing dimensions for threaded nozzles: JMP 26h0,75
-
Weight: 222 g
Lens FED-100" 6.3 / 100 - fourlenses anastigmat (Figure 1.) Low luminosity. Lens enlightened chemically.
The lens is designed for photographic monitoring devices running on 35-mm photographic film with a frame size of 24 × 30 mm.
Due to the large focal length of the lens used for a variety of shooting distant subjects.
The lens is designed in a special frame (Fig. 2). Socket has aperture ring with the characters, "clear", "cloudy", "cloudy". Iris in the range of 1: 6.3 to 1: 12.5 is made by rotation of the ring.
The lens is focused on the "infinity".
Links to online resources: Posted by: SharkDD Date of publication: 27.04.2016
|