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Home » Compare Lenses » Zeiss Carl Distagon T 2,821 vs Sigma 20mm F1.8 EX DG Aspherical RF

Zeiss Carl Distagon T 2,821 vs Sigma 20mm F1.8 EX DG Aspherical RF

Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Carl Zeiss Distagon T 2,821 vs Sigma 20mm F1.8 EX DG Aspherical RFto review specs, pros and cons, and which is right for you.

Carl Zeiss Distagon T2,8/21 Top Features

  • 21mm Focal Range
  • F2.8 Max Aperture
  • Filter Thread: 82mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 600g.
  • Diameter: 87mm
  • Length: 109mm
  • Min Focus Distance:0.22m
  • Max Magnification:0.2x

Carl Zeiss Distagon T 2,821

Sigma 20mm F1.8 EX DG RF Top Features

  • 20mm Focal Range
  • F1.8 Max Aperture
  • Filter Thread: 82mm
  • Max Format:
  • Canon EF Mount
  • Weight: 520g.
  • Diameter: 89mm
  • Length: 90mm
  • Min Focus Distance:0.2m

Sigma 20mm F1.8 EX DG Aspherical RF

Our Winner: Carl Zeiss Distagon T 2,821 over Sigma 20mm F1.8 EX DG Aspherical RF

Focal Length – Tele 21mm vs 20mm
Diameter 87mm vs 89mm
Max Magnification 0.2x vs x

Pros Of Sigma 20mm F1.8 EX DG Aspherical RF over Carl Zeiss Distagon T 2,821
Focal Length – Wide 20mm vs 21mm
Max Aperture – Wide 1.8 vs 2.8
Max Aperture – Tele 1.8 vs 2.8
Diaphgragm Blades 9 vs
Autofocus Yes vs No
Weight 520g vs 600g
Length 90mm vs 109mm
Minimum Focus Distance 0.2m vs 0.22m

Cons Of Carl Zeiss Distagon T 2,821 and Sigma 20mm F1.8 EX DG Aspherical RF
Image Stabilization No vs No
Weather Sealing No vs No

Carl Zeiss Distagon T2,8/21 vs Sigma 20mm F1.8 EX DG RF All Features

General Carl Zeiss Distagon T2,8/21 Sigma 20mm F1.8 EX DG RF
Brand Zeiss Sigma
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Wideangle Prime Wideangle Prime
Lens Mount Canon EF Canon EF
Max Format 35mm FF 35mm FF
Focal Range 21mm 20mm
Image Stabilization No No
Colour Unknown Black
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F2.8 F1.8
Min Aperture F22.0 F22.0
Aperture Ring Yes Yes
Diaphragm Blades unknown 9
Optics
Optical Elements 16 13
Optical Groups 13 11
Special Elements unknown 2 aspherical elements
Focusing
Min Focus Distance 0.22m 0.2m
Max Magnification 0.2X unknown
Autofocus No Yes
AF Motor Type None unknown
Full Time Manual N/A Yes
Focus Method Unknown Rear
Distance Scale Yes Yes
DoF Scale Yes Yes
Distance Scale Yes Yes
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 600g 520g
Diameter 87mm 89mm
Length 109mm 90mm
Materials metal barrel, metal mount Unknown
Weather Sealing Unknown Unknown
Filter Thread 82mm 82mm
Filter Notes
Hood Supplied Yes Yes
Hood Code Unknown petal type hood
Tripod Collar No No
Optional Accessories
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