This is a record of using the LEICA M mount, APO-Summicron-M 75mm F2ASPH. with a Leica M digital camera.

Table of contents

LEICA APO-SUMMICRON-M 75mm F2 ASPH. Photo Example(with Leica M9P)

I used to use the Voigtlander Heliar 2.5/75mm and the Summilux 1.4/75mm as my 75mm focal length lenses, but I sold the Heliar 2.5/75mm when I acquired the Summilux.
After that, I started using the Apo Summicron 75mm, based on my own belief that the weight was the reason for the poor utilization of the Summilux 75mm.
The Apo Summicron 75mm weighs 430g and the Summilux 75mm weighs 560g, so it is considerably lighter than the Apo Summicron 75mm, and when mounted on the M9, the balance is excellent. The lens side of the Summilux was heavy and the balance was not good.

The M9’s viewfinder also provided a better focus yield than the Summilux, and my impression was that it was a modern lens with no major complaints.

I used the lens a fair number of times and concluded that it was lighter and easier to handle than the Summilux 75mm, but in the first place, the focal length of 75mm was a bit cramped and I found that it did not suit me.
If I had kept it with me until I started using the LEICA SL (digital), I would have made better use of it.

Medium telephoto lens for LEICA M-type.
It was released in 2005 and is still in use as of 2022.
It has an aspherical lens and a built-in hood, and conforms to modern Leica lens standards.
Lens recognition 6-bit codes can be added to lenses without 6-bit codes. Depending on the year of production, some lenses may have the 6-bit code added at the time of sale.

focal length(mm)75
Maximum aperture2
Minimum aperture16
Lens configuration5groups 7elements
Minimum distance(m)0.7
Lens length(mm)66.8Distance from mount flange
Lens max diameter(mm)58
Filter diameter(mm)49



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