Sigma 20mm f/1.8 EX DG DF RF Sony Alpha

Sigma 20mm f/1.8 EX DG DF RF Sony Alpha
20 mm
autofocus prime lens
f/1.8
  • Generic motor Built-in focus motor

reviewswhat are people saying

"The Sigma 20mm f1.8 is very good lens that captures bright and clear images under low light. The price point is a plus. I was amazed at the clarity and the nuance the lens allowed me to capture."

bhphotovideo.com

"Excellent lens for wide angle pictures! I use it on a Sony Alpha 900. Takes great pictures and is easy to attach and remove."

bhphotovideo.com

"The autofocus is a little slow and the lens a little heavy, but it do not affect the handling."

bhphotovideo.com

compatibilitywith digital cameras

Pros

The Sigma 20mm f/1.8 EX DG DF RF Sony Alpha vs other Digital camera lenses

Aperture Wide aperture Help
f/1.8
Min focal length Great wide angle lens Help
20 mm
Auto focus Supports autofocus Help
Easier to use
Prime lens Prime lens Help
Typically very sharp

Cons

The Sigma 20mm f/1.8 EX DG DF RF Sony Alpha vs other Digital camera lenses

Max focal length Poor telephoto lens Help
20 mm

Specifications

General

Min focal length
Help
20 mm
Max focal length
Help
20 mm
below average below average
Zoom range
Help
1x
Magnification
Help
1:4 (0.2)

Aperture

Wide maximum
Help
f/1.8
above average above average
Wide minimum
Help
f/22
Tele maximum
Help
f/1.8
above average above average
Tele minimum
Help
f/22

Features

Auto focus
Help
Yes
above average above average
Focus motor
Help
Generic motor
Image stabilization
Help
None
Fisheye
Help
No
Tilt-shift
Help
No

Form factor

Lens mount
Help
Sony Alpha (Full-frame)
Length
Help
86 mm
Diameter
Help
89 mm
Filter size
Help
82 mm
Weight
Help
0.5 kg

Angle of view

Wide horizontal
Help
84°
above average above average
Telephoto horizontal
Help
84°
below average below average
Wide vertical
Help
61.9°
above average above average
Telephoto vertical
Help
61.9°
below average below average
Wide diagonal
Help
94.5°
above average above average
Telephoto diagonal
Help
94.5°
below average below average

Angle of view (On Sony Alpha DT APS-C 1.5x crop cameras)

Wide horizontal
Help
61.1°
Telephoto horizontal
Help
61.1°
Wide vertical
Help
43.1°
Telephoto vertical
Help
43.1°
Wide diagonal
Help
70.7°
Telephoto diagonal
Help
70.7°
below average below average

Competitors

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