All About Photographic Lenses.
Specifications, comparison, reviews, MTF-charts for lenses by Canon, Nikon, Sony, Pentax, Olympus, Sigma, Tamron, Carl Zeiss, etc.

3M-7 300 mm f/ 5.6 Lens

Do you like a good instrumental music?
Listen to new beautiful music from composer Sergei Borodin. Click HERE...


3M-7 300 mm f/ 5.6 lens

3M-7 300 mm f/ 5.6 lens

3M-7 300 mm f/ 5.6 lens

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, Pentax K

Features: Mirror lens
User reviews (0)

Photos (0)

Tests (0)

Owners (0)

Views (5899)

Average price:


Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)

Additional information:


The 3M-7 300 mm f/ 5.6 (Russian: "3М")  is a telephoto mirror lens for 35 mm SLR cameras with M42 screw mount. The lens features an achromatic multicoating.

The lens came in two modifications manufactured at optic glass factories in Lyktarino and Azovsk (LZOS and AOMZ, respectively). The AOMZ variant features:

  • minimum focusing distance - 1.7 m;
  • smaller dimensions - 73x78 mm (against 76x81 mm)

There is no reliable information on serial production of this lens.

Links to online resources:
Posted by: dgr   Date of publication: 07.04.2012

Mechanical quality0.000
Optical quality0.000
Pricing / Value0.000
Overall lens rating

Embed to Blog (HTML) Embed to Forum (BBcode)