Compare Canon TS-E 50mm F2.8 vs Laowa 20mm F4 Zero-D Shift vs PENTAX-D FA 15-30mm F2.8
Construction
Aperture Blades
9 blades
14 blades
9 blades
Colors
Black
Black
Form Factor
Normal Prime Lens
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Zoom Lens
Image Size
Full-Frame
Medium Format (44x33)
Full-Frame
Lens Barrel
Distance scale
Physical aperture ring, Distance scale, DoF scale
Distance scale
Lens Mount
Canon EF-mount
Canon EF-mount, Canon RF-mount, Fujifilm G-mount, Leica L-mount, Nikon F-mount, Nikon Z-mount, Pentax K-mount, Sony E-mount
Pentax K-mount
Material
Magnesium alloy
Motor
Ultrasonic
Optical Formula | Elements
12 elements
16 elements
18 elements
Optical Formula | Groups
9 groups
11 groups
13 groups
Optical Formula | Special Glass
Molded glass aspherical and UD elements + SWC and ASC coatings groups
2 aspherical elements, 3 ED elements groups
Three ED and aspherical elements + HD and SP coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
Size | Diameter
87 mm / 3.43 in
95 mm / 3.74 in
99 mm / 3.90 in
Size | Length
115 mm / 4.53 in
91 mm / 3.58 in
144 mm / 5.67 in
Weight
945 g / 33.39 oz
747 g / 26.40 oz
1040 g / 36.75 oz
Function
Angle Of View
46.8° Diagonal | 39.6° Horizontal | 27.0° Vertical
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical (wide) ~ 71.6° Diagonal | 61.9° Horizontal | 43.6° Vertical (tele)
Aperture
f/2.8 ~ f/32
f/4 ~ f/22
f/2.8 ~ f/22
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
50 mm
20 mm
15 mm ~ 30 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
No
Weather Resistance
Yes
Performance
Max Magnification
0.5x
0.17x
0.2x
Min Focus Distance
270 mm / 10.63 in
250 mm / 9.84 in
280 mm / 11.02 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2017-08-29
2022-03-28
2016-02-17
Reviews
Neofiliac score
52%
75%
31%
Pros
- Tilt-shift capability
- 0.5x reproduction ratio
- Superb build quality
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Constant f/2.8 aperture
- Great optical performance
- Weather-sealed
- Beautifully constructed
Cons
- Large diameter
- Rather long
- On the heavy side
- Lacks front filter thread
Remove
Remove
Remove
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.