Compare Leica APO-Telyt-M 135mm F3.4 vs Leica APO-Summicron-M 90mm F2 vs Leica APO-Summicron-M 50mm F2
Construction
Aperture Blades
11 blades, with clickstops (including half values), manual diaphragm
11 blades, Preset, with click-stops, half values available
Form Factor
Medium Telephoto Prime Lens
Short Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica M-mount
Leica M-mount
Material
metal barrel, metal mount
metal barrel, metal mount
Optical Formula | Elements
5 elements
5 elements
8 elements
Optical Formula | Groups
4 groups
5 groups
5 groups
Optical Formula | Special Glass
1 aspherical element2 high refraction glass elements groups
Dimensions
Filter Diameter
49 mm / 1.93 in
55 mm / 2.17 in
39 mm / 1.54 in
Size | Diameter
59 mm / 2.32 in
64 mm / 2.52 in
53 mm / 2.09 in
Size | Length
105 mm / 4.13 in
78 mm / 3.07 in
47 mm / 1.85 in
Weight
450 g / 15.90 oz
500 g / 17.67 oz
300 g / 10.60 oz
Function
Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
27.1° Diagonal | 22.6° Horizontal | 15.2° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/3.4 ~ f/22
f/2 ~ f/16
f/2 ~ f/16
Autofocus
No
No
No
Focal Length
135 mm
90 mm
50 mm
Image Stabilization
No
No
No
Weather Resistance
No
Performance
Max Magnification
0.11x
0.11x
0.088x
Min Focus Distance
1500 mm / 59.06 in
1000 mm / 39.37 in
700 mm / 27.56 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2012-05-10
Made In
Germany
Germany
Germany
Reviews
Neofiliac score
78%
86%
78%
Pros
- Beautifully constructed
- Apochromatic design
- Superb build quality
- High micro contrast
- Rather compact for what it is
- Apochromatic
- Short barrel
- Wonderful construction
- Exceptionally sharp
- Apochromatic
Cons
- Hard to focus manually
- No image stabilization
- No weather sealing
- Hard to focus manually
- Low maximum magnification
- Lacks weather sealing
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