Leica 50mm f/2 APO-Summicron ASPH


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The Leica 50mm f/2 APO-Summicron ASPH is a normal range lens designed for Leica M-mount cameras. Serving as an update to the very popular Leica 50mm f/2 ASPH, the 50mm f/2 APO-Summicron offers a very high optical image quality. Wide open at f/2, there’s slight vignetting in the extreme corners, but by stopping down to f/2.8, vignetting is eliminated. It has extremely low distortion (0.4% pin cushion) that’s nearly imperceptible, and offers excellent contrast rendition at all focus distances thanks to its floating element lens design.

What makes this lens so unique is it’s resolving power across the image plane. By f/5.6, both tangential and sagittal lines of MTF testing are flatlined, which signifies absolute edge-to-edge image sharpness and contrast. Three apochromatic glass elements provide a common focus plane for 3 light wavelengths, effectively eliminating chromatic aberration, with two high refractive index elements further improving light transmission. Its Gaussian type optical formula also features an aspherical surface element in the first position of the floating rear group, eliminating spherical aberration and allowing its superb flat image field.

It has 6 bit encoding so the camera will automatically apply vignetting correction (unless you’d prefer to disable that option). The built-in, retractable lens hood provides protection from lens flare, and the front of the lens barrel is threaded to accept 39mm filters. For situations where the highest possible image quality is required, the 50mm f/2 APO-Summicron ASPH excels beyond anything else available.

Filter Size
39mm (nonrotating)
0.66 lbs.
Minimum Focusing Distance
2.3 feet
Maximum Magnification
Angle of view: (full frame)
Aperture Blades
11 curved, circular shape
Aspherical Elements
Apochromatic Elements
Floating Element
1 group
Leica M


  • Leica 50mm f/2 APO-Summicron ASPH Diagram
  • Leica 50mm f/2 APO-Summicron ASPH Diagram

LensRentals.com offers rentals ranging in length from 1 to 90 days. The shopping cart will automatically update the quoted price as you adjust the length of your rental. Our most common rental periods are shown below:

Rental Period Waiver Price Rental Price Total Price Approximate Day Rate
3 days $36.00 $240.00 $276.00 $92.00
4 days $38.00 $257.00 $295.00 $73.75
7 days $51.00 $343.00 $394.00 $56.29
10 days $69.00 $463.00 $532.00 $53.20
14 days $89.00 $600.00 $689.00 $49.21
21 days $120.00 $806.00 $926.00 $44.10
30 days $150.00 $1012.00 $1162.00 $38.73
45 days $196.00 $1321.00 $1517.00 $33.71
60 days $230.00 $1544.00 $1774.00 $29.57
90 days $296.00 $1989.00 $2285.00 $25.39
Rental Period Rental Price Approximate Day Rate
3 days $240.00 $80.00
4 days $257.00 $64.25
7 days $343.00 $49.00
10 days $463.00 $46.30
14 days $600.00 $42.86
21 days $806.00 $38.38
30 days $1012.00 $33.73
45 days $1321.00 $29.36
60 days $1544.00 $25.73
90 days $1989.00 $22.10

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