KONICA M HEXANON 90mm

Review and Photo example of the KONICA M HEXANON 90mm F2.8.

Photo example

The sample photo were taken with the LEICA M8

Review

Hexanon 90mm F2.8 is the longest focal length lens among the six Konica M mount lenses released by Konica along with Hexar RF. The lens hood is built-in and can be pulled out from the tip of the lens barrel.
A compact lens with a total length of 69mm and a focal length of 90mm.

There is a detailed explanation of the lens in the technical report, and the designer claims to have adopted an Elnostar type lens configuration, but the pure Elnostar is a four-element structure with no pasting, and the Hexanon 90mm has two elements pasted in the rear group. A combination lens is used to improve performance. This lens configuration is almost the same as the Contax G Sonnar 90mm, and if you are pursuing low cost and practical performance with a focal length of 90mm, this configuration is considered to be the one you should settle for.

It shares solid depiction with other M-mount HEXANON lenses even at maximum aperture. Also, there was no problem with the accuracy of the rangefinder even at f/2.8 aperture. I bought this while collecting the Konica Hexanon series. However, I was satisfied with the results of the Contax G Sonnar 90mm, which was modified by Ms-Optics, at a focal length of 90mm, so I sold this lens without using it much.

Among medium-telephoto lenses with a focal length of 90mm and rangefinder cameras, lenses with focal lengths over 50mm are unpopular, and their prices are flying low. When I use the 90mm with a Leica M-type rangefinder, I only use a part of the center of the finder frame, and I don’t really like it because I’m doing boring work where I keep cutting out very small areas. In the 2010s, you can enjoy using 90mm lenses thanks to mirrorless cameras equipped with high-performance EVFs. Advances in technology are great.

Specification

Item	Value	note
focal length(mm)	90
Maximum aperture	2.8
Minimum aperture	16	1/2 steps
Lens configuration	4groups 5elements	Ernostar – type
Minimum distance(m)	1.0	distance from mount flange
Lens length(mm)	69
Lens max diameter(mm)	55
Filter diameter(mm)	46
Weight(g)	330