The F-92 2/92is a fast multicoated projection lens for the LETI 60M (rus: ЛЭТИ 60М) slide projector with 24х36 mm frame.
According to the manufacturer's instruction the optical scheme comprises 6 elements in 4 groups, i.e. the Planar optical design.
The lens' flange focal distance allows it to be mounted on all modern SLR and mirrorless cameras with a considerable infinity override.
The lens is equipped with a simplest helicoid in the form of a single groove. It has no diaphragm.
Resolution (center/edge): 100/50 lpmm
diagonal angle of view 25°
max. magnification 1:2
diameter 68 mm
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Posted by: vitaliian Date of publication: 14.05.2013
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