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Sigma 20mm T1.5 FF High Speed Prime Lens
Sigma 20mm T1.5 FF High Speed Prime Lens

Sigma 20mm T1.5 FF High Speed Prime Lens

Your Price:$3,499.00


TMS SKU: CL-20mm-t1.5
Sigma Part Number: 412966

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Lens Mount help
EF Mount
E Mount
PL Mount


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The Sigma 20mm T1.5 is the shortest of the Sigma FF High-Speed Prime Lens Line at a focal distance of 20mm. Like the rest of the lenses in the line, it sports an impressive aperture of T1.5 and compatible with full-frame sensor cameras. It’s available in three different mounts: Canon EF, Sony E, and PL.

Download: SIGMA 20mm T1.5 FF Technical Specifications PDF

Focal Length 20mm
Aperture T1.5 to T16
Number of Diaphragm Blades 9 (Rounded diaphragm)
Close Focus1 0.276m / 11″
Image Coverage FF F43.3
Front diameter 95mm
Filter Size -
Length EF mount2 118mm
E-mount3 144mm
PL mount4 TBD
Weight5 EF mount 1335g
E-mount 1395g
PL mount TBD
FF6 94.5°
S357 70.3°
APS-C8 70.8°
  1. Close focus distance is measured from the image plane
  2. Front to EF mount flange
  3. Front to E-mount flange
  4. Front to PL mount flange
  5. Without lens support foot
  6. Horizontal angle of view for a full-frame camera aperture (aspect ratio 1:1.5,dimensions 36 mm × 24 mm / 1.42″ × 0.94″)
  7. Horizontal angle of view for a super 35 digital cinema camera aperture (aspect ratio 1:1.8,dimensions 24.6 mm x 13.8 mm / 0.97″ × 0.54″)
  8. Horizontal angle of view for an APS-C camera aperture (aspect ratio 1:1.5,dimensions 23.7 mm × 15.7 mm / 0.93″ × 0.62″)

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