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MC APO Telezenitar 300 mm f/ 4.5 Lens

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MC APO Telezenitar 300 mm f/ 4.5 lens

MC APO Telezenitar 300 mm f/ 4.5 lens

MC APO Telezenitar 300 mm f/ 4.5 lens

MC APO Telezenitar 300 mm f/ 4.5 lens

Optical design

MC APO Telezenitar 300 mm f/ 4.5 optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: M42, Pentax K

First year of production: 1988

Optical design: 7 elements in 6 groups

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Average price: $600


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

Additional information:


The MC APO Telezenitar 300 mm f/ 4.5 (Russian: "АПО Телезенитар")   is an interchangeable telephoto lens for 24×36 mm cameras with   45.5 mm flange focal distance. It is equipped with an instant-return aperture and a telescopic hood.

There are two variants of the lens:

  1.  "К" indexed  for cameras with the K bayonet mount;
  2.  "М" indexed for cameras with the M42 screw mount.

As opposed to the APO-Tair-1 300 mm f/ 4.5, the optical scheme of the lens employs special sorts of optic glass with properties very close to fluorite, thanks to which its price is reduced and reliability is increased.

Focusing is performed by moving optical member and internal optical scheme elements, which made it possible to slightly increase the lens length when shooting at the closest distance.

  • resolution (center/edge):  60/ 35;
  • angle of view: 8º;
  • coefficient of transparency: 0.87;
  • color contribution index (CCI): 13-0-(-1).

The MC APO Telezenitar 300 mm f/ 4.5 was produced and is produced (?) in small batches at the KMZ (S. A. Zverev Krasnogorsk Mechanical Plant).

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Posted by: dgr   Date of publication: 11.04.2011

Mechanical quality5.002
Optical quality4.502
Pricing / Value3.502
Overall lens rating

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