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Compare Samyang 135mm F2.0 ED UMC vs Pentax-FA 43mm F1.9

Construction

Aperture Blades
9 blades
8 blades
Colors
Black, silver
Form Factor
Medium Telephoto Prime Lens
Normal Prime Lens
Image Size
Full-Frame
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale, DoF scale
Physical aperture ring, Distance scale, DoF scale
Lens Mount
Canon EF-mount, Canon EF-M-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
Pentax K-mount
Material
Aluminum
Motor
Screw drive from camera
Optical Formula | Elements
11 elements
7 elements
Optical Formula | Groups
7 groups
6 groups
Optical Formula | Special Glass
1 ED element, Ultra Multi Coating groups
HD + Super Protect coatings groups

Dimensions

Filter Diameter
77 mm / 3.03 in
49 mm / 1.93 in
Size | Diameter
82 mm / 3.23 in
64 mm / 2.52 in
Size | Length
122 mm / 4.80 in
27 mm / 1.06 in
Weight
830 g / 29.33 oz
155 g / 5.48 oz

Function

Angle Of View
18.2° Diagonal | 15.2° Horizontal | 10.2° Vertical
53.4° Diagonal | 45.4° Horizontal | 31.2° Vertical
Aperture
f/2 ~ f/22
f/1.9 ~ f/22
Autofocus
No
Yes
Focal Length
135 mm
43 mm
Focus Type
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No

Performance

Max Magnification
0.12x
Min Focus Distance
800 mm / 31.50 in
450 mm / 17.72 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2015-01-12
2021-02-24

Reviews

Neofiliac score
50%
68%
Pros
  • Smooth rendering
  • Good resolution
  • Compact and lightweight
  • Comes with physical aperture ring
Cons
  • On the heavy side
  • Lacks weather sealing
  • Hard to MF at this focal length
  • Lacks weather sealing
  • Expensive for a pancake lens

Price

Offers (incl. referral links)
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