KONICA M-HEXANON 2.8/28

This is a record of using the KONICA M-HEXANON 28mm/F2.8, a wide lens for the Leica M, with a digital camera.

Table of contents

Gallery
Photo example by LEICA M8

Impression
As described in detail in the technical report, the lens is constructed in a way to be close to a symmetrical shape based on a retrofocus structure.
I feel that this lens is sufficiently complete as a modern 28mm lens, with vivid colors and delicate rendering.
The camera used with this lens was the LEICAM8, which has an x1.33 APS-H size sensor, so it is not possible to evaluate the image quality of the peripheral areas. I wish I had an example with a full-size sensor, but I sold it before the introduction of the M9.

The exterior is black-based with red accents, which is not glamorous but gives the impression of quality and solidity.
The helicoid was also smooth, and although it did not have a focus lever, it was not difficult to use.
However, a focus lever was added to later 35mm/F2 lenses.

KONICA HEXANON-M 28mm

Specification
Leica M mount wide angle lens.
This is the widest angle lens among all KONICA M-mount lenses except for the 21-35 lens with two focal lengths.
The lens hood can be screwed on and rotated 120° to a position that does not interfere with the viewfinder. There is no device to fix it in place, so it may shift position in the camera back.

ItemValuenote
focal length(mm)28
Maximum aperture2.8
Minimum aperture221/2 step
Lens configuration7groups 8elements
Minimum distance(m)0.7
Lens length(mm)40,4Distance from mount flange
Lens max diameter(mm)52
Filter diameter(mm)46
Weight(g)230

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