Compare Leica APO-Summicron-M 50mm F2 vs Leica TL 23mm F2 vs Leica SL 50mm F2
Construction
Aperture Blades
11 blades, Preset, with click-stops, half values available
Form Factor
Normal Prime Lens
Wide-Angle Prime Lens
Normal Prime Lens
Image Size
Full-Frame
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Leica M-mount
Leica L-mount
L-mount
Material
metal barrel, metal mount
Motor
Stepper motor
Stepper motor
Optical Formula | Elements
8 elements
9 elements
12 elements
Optical Formula | Groups
5 groups
6 groups
10 groups
Optical Formula | Special Glass
2 Aspheric surfaces groups
3 aspherical elements, AquaDura coating groups
Dimensions
Filter Diameter
39 mm / 1.54 in
52 mm / 2.05 in
67 mm / 2.64 in
Size | Diameter
53 mm / 2.09 in
63 mm / 2.48 in
73 mm / 2.87 in
Size | Length
47 mm / 1.85 in
37 mm / 1.46 in
102 mm / 4.02 in
Weight
300 g / 10.60 oz
154 g / 5.44 oz
740 g / 26.15 oz
Function
Angle Of View
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
64.2° Diagonal | 55.1° Horizontal | 38.4° Vertical
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
Aperture
f/2 ~ f/16
f/2 ~ f/16
f/2 ~ f/22
Autofocus
No
Yes
Yes
Crop Factor
1.5
Focal Length
50 mm
23 mm
50 mm
Focal Length (35mm Equivalent)
34.5 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
No
Yes
Performance
Max Magnification
0.088x
0.2x
Min Focus Distance
700 mm / 27.56 in
300 mm / 11.81 in
350 mm / 13.78 in
Production
Accessory
Lens hood included
Lens hood included
Debut
2012-05-10
2014-04-24
2019-08-15
Made In
Germany
Germany
Germany
Reviews
Neofiliac score
78%
86%
86%
Pros
- Short barrel
- Wonderful construction
- Exceptionally sharp
- Apochromatic
- Compact and lightweight
- Beautiful construction
- Weather-sealed
- Excellent build quality
- Great image quality
- Apochromatic design
Cons
- Low maximum magnification
- Lacks weather sealing
- Large and heavy
- Very expensive
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