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Compare Samyang 10mm F2.8 ED AS NCS CS vs Leica Summilux-M 21mm F1.4

Construction

Aperture Blades
6 blades, Manual aperture setting via lens ring
Colors
Black
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Image Size
APS-C
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount
Leica M-mount
Optical Formula | Elements
14 elements
10 elements
Optical Formula | Groups
10 groups
8 groups
Optical Formula | Special Glass
2 aspherical elements, 1 ED glass element groups
2 aspherical elements5 anomolous dispersion elements groups

Dimensions

Size | Diameter
86 mm / 3.39 in
70 mm / 2.76 in
Size | Length
77 mm / 3.03 in
66 mm / 2.60 in
Weight
580 g / 20.49 oz
580 g / 20.49 oz

Function

Angle Of View
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical
91.7° Diagonal | 81.2° Horizontal | 59.5° Vertical
Aperture
f/2.8 ~ f/22
f/1.4 ~ f/16
Autofocus
No
No
Crop Factor
1.5
Focal Length
10 mm
21 mm
Focal Length (35mm Equivalent)
15.0 mm
Focus Type
Extending front
Image Stabilization
No
No
Weather Resistance
No

Performance

Max Magnification
0.03x
Min Focus Distance
250 mm / 9.84 in
700 mm / 27.56 in

Production

Accessory
Lens Hood: Integrated hood (supplied)
Lens hood included
Debut
2013-12-06
2008-09-15
Made In
Germany

Reviews

Neofiliac score
40%
78%
Pros
  • One of the widest rectilinear lens for APS-C
  • Reasonable IQ
  • Bright f/2.8 aperture
  • Very bright maximum aperture
  • Gorgeous rendering
  • Very sharp
Cons
  • Lacks front filter thread
  • Low maximum magnification
  • Lacks weather sealing

Price

Offers (incl. referral links)
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