Sigma EX 17-50mm F2.8 DC OS HSM vs Canon EF 400mm F4 DO IS USM

This is a full comparison between the lenses Sigma EX 17-50mm F2.8 DC OS HSM and Canon EF 400mm F4 DO IS USM .

Compare Specifications

Product
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Name Sigma EX 17-50mm F2.8 DC OS HSM Canon EF 400mm F4 DO IS USM
Manufacturer Sigma Canon
SKU
Release Date and Price
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Release Year 2010 2001
Release Date
MSRP 980 USD 6469 USD
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Lens Type
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Lens Type Standard / Normal Telephoto
Supertelephoto
Zoom or Prime Zoom lens Prime lens (no zoom)
Mount and Compatibility
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Mount Canon EF-SNikon F Canon EF
Designed for APS-C sensor Yes No (Suitable for all sensors)
Focus
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Autofocus (AF) Yes Yes
Built-in Autofocus (AF) Motor Yes Yes
Motor Type No information No information
Focus Method No information No information
Closest Focusing Distance 28 cm 350 cm
Maximum Magnification
Aperture
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Maximum Aperture F2,8 F4
Diaphragm Blades No information No information
Optics
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Construction 17 elements  /  13 groups 17 elements  /  13 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Focal Length 17-50 mm 400 mm
Zoom Range 33 mm None (Prime lens)
No Zoom available.
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization Yes
OS
Yes
IS
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Weather Sealing No Yes
Diameter 83 mm 128 mm
Length 91 mm 232 mm
Weight 565 gr 1940 gr
Other
Sigma EX 17-50mm F2.8 DC OS HSM
Canon EF 400mm F4 DO IS USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 77 mm 52 mm
Lens Hood Included Included
Lens Hood SKU LH825-03 583 ET-120
Tripod Collar N/A Included
Tripod Collar SKU N/A N/A