Compare Samyang 20mm F1.8 ED AS UMC vs Laowa 20mm F4 Zero-D Shift vs Sony 600mm F4 GM
Construction
Aperture Blades
7 blades
14 blades
11 blades
Colors
White
Form Factor
Ultra Wide-Angle Prime Lens
Ultra Wide-Angle Prime Lens
Super Telephoto Prime Lens
Image Size
Full-Frame
Medium Format (44x33)
Full-Frame
Lens Barrel
Physical aperture ring, Distance scale
Physical aperture ring, Distance scale, DoF scale
Focus limiter, Tripod collar
Lens Mount
Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-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
Sony E-mount
Material
Magnesium alloy
Motor
Linear Motor
Optical Formula | Elements
13 elements
16 elements
18 elements
Optical Formula | Groups
12 groups
11 groups
24 groups
Optical Formula | Special Glass
Two aspherical + 3 ED elements, Ultra Multi Coating groups
2 aspherical elements, 3 ED elements groups
1 'extreme aspherical' + 2 ED + 3 fluorite elements, Nano AR + fluorine coatings groups
Dimensions
Filter Diameter
77 mm / 3.03 in
82 mm / 3.23 in
40.5 mm / 1.59 in
Size | Diameter
83 mm / 3.27 in
95 mm / 3.74 in
164 mm / 6.46 in
Size | Length
88 mm / 3.46 in
91 mm / 3.58 in
449 mm / 17.68 in
Weight
497 g / 17.56 oz
747 g / 26.40 oz
3040 g / 107.42 oz
Function
Angle Of View
94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical
107.8° Diagonal | 97.4° Horizontal | 74.4° Vertical
4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical
Aperture
f/1.8 ~ f/22
f/4 ~ f/22
f/4
Autofocus
No
No
Yes
Crop Factor
0.8
Focal Length
20 mm
20 mm
600 mm
Focal Length (35mm Equivalent)
15.8 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Yes
Weather Resistance
No
Yes
Performance
Max Magnification
0.17x
0.14x
Min Focus Distance
200 mm / 7.87 in
250 mm / 9.84 in
4500 mm / 177.17 in
Production
Accessory
Lens hood included
Lens hood included
Lens hood included
Debut
2016-08-08
2022-03-28
2019-06-11
Model Name
SEL600F40GM
Reviews
Neofiliac score
59%
75%
52%
Pros
- Rather affordable
- Comes with physical aperture ring
- Shift functionality
- 14-bladed aperture
- Compatible with teleconverters and drop in filters
- Optically stabilized
- Professional weather sealing
- Comes with a tripod collar
- Comparatively light and compact
- Extremely fast autofocus
Cons
- Lacks weather sealing
- Not the highest grade of build
- Large diameter
- Very expensive
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.