SUMMARON 5.6/28
Review of using the LEICA SUMMARON 28mm f/5.6(L39 screw mount old version) with a LEICA M digital camera.
Table of contents
Gallery
LEICA SUMMARON-L 28mm F5.6 Photo example (with Leica M9)
Impression
The Summaron 28mm F5.6 is a 60+ year old lens with a simple 6-element glass construction that produces fine, detailed images from the widest aperture.
However, since the maximum aperture is f/5.6, when I used it with my LEICA M9 or EPSON R-D1, which I did not want to raise the ISO sensitivity too much, I was often concerned about camera shake caused by a drop in shutter speed when shooting indoors or in other dark places.
The camera I had on hand was a 1.67 million unit, manufactured in Germany in 1961. The lens barrel was slightly rattled, the lens was cloudy, and the aperture had a little oil on it.
The lens was purchased with the hood included. Summaron hoods are quite rare, and the crepe paint of this era is very beautiful. The paint seemed to be durable, and although the entire surface of the hood showed some scuffing, the surface of the hood was in good condition with no noticeable scratches.
However, the hood we had was in a condition where the screws would come off when the plate spring was pushed in and turned in the direction of removing the screws that hold the hood to the lens. Normally, I would think that the screw ends would be machined to prevent the screws from being lost, but it is unclear if the previous owner turned it too far and the stopper was broken or if the screws were right to come off.
I sold the hood and lens as a set in exchange for some other 28mm lens and the fact that I often use other 28mm lenses.
On 11/02/2016, LEICA released an M-mount Summaron 28mm and reissue.
The lens hood has the same shape, but was not crepe-painted.
Specification
The official name of the original Summaron 28mm is Ernst Leitz Gmbh Wetzler Summaron f=2.8cm 1:5.6
The mount is a screw mount (L39), and an L/M adapter is required for use with M-mount cameras.
| Item | Value | note |
| focal length(mm) | 28 | |
| Maximum aperture | 5.6 | |
| Minimum aperture | 22 | |
| Lens configuration | 4groups 6elements | |
| Minimum distance(m) | 1.0 | Linked to the camera’s rangefinder from 1m to infinity. |
| Lens length(mm) | 18 | |
| Lens max diameter(mm) | 49 | Excluding protrusions |
| Filter diameter(mm) | 34 | |
| Weight(g) | 150 |
Reference links
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