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F-92  92 mm f/ 2 (LETI 60M) Lens


F-92  92 mm f/ 2 (LETI 60M) lens

Optical design

F-92  92 mm f/ 2 (LETI 60M) optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: Other mount

First year of production: 1977

Optical design: Projection double-Gauss, 6 elements in 4 groups

User reviews (2)

Photos (48)

Tests (0)

Owners (11)

Views (7052)

Average price: $50


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
90mmf/2.0f/2.0no0.9 400/14,198/3,9

Additional information:


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

Additional information:

  • diagonal angle of view 25°
  • max. magnification 1:2
  • diameter 68 mm

Links to online resources:
Posted by: vitaliian   Date of publication: 14.05.2013

Go to the discussion of this lens on sour forum

Photos taken with this lens F-92  92 mm f/ 2 (LETI 60M):

Заход на посадку
Autor: danielyy1022
5 4 1094

Autor: danielyy1022
4.69 0 502

глубина резкости
Autor: danielyy1022
4.67 0 519

Кусочек счастья
Autor: danielyy1022
4.67 0 1192

Mechanical quality3.006
Optical quality4.336
Pricing / Value4.836
Overall lens rating

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