FED-100 100 mm f/ 6.3 Lens
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|Format: 35mm rangefinder|
Type: Prime lens
Focusing: Manual Focus (MF)
Lens mounts: Other mount
Optical design: 4 element /2 group
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Views (2960)Average price: $128
|Focal length||Max. aperture||Min. aperture||Blades||Min. Focus (m.)||Filter Ø (mm.)||Weight (gr/oz)||Length (mm/in)|
|100mm||f/6.3||f/12||8|| || ||222/7,8||50/2|
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
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".
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Posted by: SharkDD Date of publication: 27.04.2016