Sigma 18-50mm F2.8-4.5 DC OS HSM vs Canon EF 400mm F4 DO IS USM

This is a full comparison between the lenses Sigma 18-50mm F2.8-4.5 DC OS HSM and Canon EF 400mm F4 DO IS USM .

Compare Specifications

Product
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Name Sigma 18-50mm F2.8-4.5 DC OS HSM Canon EF 400mm F4 DO IS USM
Manufacturer Sigma Canon
SKU
Release Date and Price
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Release Year 2009 2001
Release Date
MSRP 420 USD 6469 USD
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Lens Type
Sigma 18-50mm F2.8-4.5 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 18-50mm F2.8-4.5 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 18-50mm F2.8-4.5 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 30 cm 350 cm
Maximum Magnification
Aperture
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Maximum Aperture F2,8-4,5
This lens has a variable aperture at different focal lengths.
F2,8 at 18 mm
F4,5 at 50 mm
Variable Aperture
F4
Diaphragm Blades No information No information
Optics
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Construction 16 elements  /  12 groups 17 elements  /  13 groups
Special Elements/Coatings No information No information
Focal Length
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Focal Length 18-50 mm 400 mm
Zoom Range 32 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 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Weather Sealing No Yes
Diameter 74 mm 128 mm
Length 88 mm 232 mm
Weight 395 gr 1940 gr
Other
Sigma 18-50mm F2.8-4.5 DC OS HSM
Canon EF 400mm F4 DO IS USM
Filter Type Filter Thread Drop-in Filter
Filter Diameter 67 mm 52 mm
Lens Hood Included Included
Lens Hood SKU LH730-02 580 ET-120
Tripod Collar N/A Included
Tripod Collar SKU N/A N/A