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Auto Mamiya-Sekor  CS  1:2.8  f=135 mm


This is the standard telephoto lens for the NC series cameras.  Most people who bought the camera with a standard lens added a 28 mm wide-angle and a 135 mm telephoto lens to their system.  That´s why these lenses are quite easily available on the used market at a relative low price (you can get a mint one for approx. US$ 50).

The performance of this lens is excellent.  It is one of the best lenses available for the NC series.  It is very contrasty and delivers excellent sharpness already wide open.  This is very important for a telephoto lens since it is used wide open most of the time for faster shutter speeds and beautiful background blurr when shooting portraits.


5 elements in 4 groups

Angle of View:


Minimum Focusing Distance:

1.5 m (5 ft.)

Minimum Aperture:


Filter Size:

52 mm

Lens Hood:



315 g (11.1 oz.)

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Auto Sears/Sekor  CS  1:2.8  f=135 mm


Pictured left is the same lens licensed by Sears under the designation Auto Sears/Sekor CS 1:2.8 135 mm.  The only differences are the color of the printing and the structure of the rubber material used for the focusing ring.  The structure on this Sears lens is about the same as it was used for the mamiya/sekor SX lenses for the Mamiya MSX/DSX series cameras.

This lens was part of a two lens set I found on eBay in spring of 2002.  The only other two Sears CS lenses I´ve ever seen so far are the 50 mm 1:1.7 and 1:1.4 standard lenses.

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