Sigma EX 135-400mm F4.5-5.6 DG APO vs Sigma 120-400mm F4.5-5.6 DG APO HSM OS

This is a full comparison between the lenses Sigma EX 135-400mm F4.5-5.6 DG APO and Sigma 120-400mm F4.5-5.6 DG APO HSM OS.

Compare Specifications

Product
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Name Sigma EX 135-400mm F4.5-5.6 DG APO Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Release Year 2004 2008
Release Date
MSRP N/A 1320 USD
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Lens Type
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Lens Type Telephoto
Supertelephoto
Telephoto
Supertelephoto
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Mount Canon EFNikon F Canon EFNikon F
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Autofocus (AF) YesNote. See below for further information Yes
Built-in Autofocus (AF) Motor No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma EX 135-400mm F4.5-5.6 DG APO
Yes
Motor Type N/A No information
Focus Method No information No information
Closest Focusing Distance 200 cm 150 cm
Maximum Magnification
Aperture
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Maximum Aperture F4,5-5,6
This lens has a variable aperture at different focal lengths.
F4,5 at 135 mm
F5,6 at 400 mm
Variable Aperture
F4,5-5,6
This lens has a variable aperture at different focal lengths.
F4,5 at 120 mm
F5,6 at 400 mm
Variable Aperture
Diaphragm Blades No information No information
Optics
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Construction 13 elements  /  11 groups 21 elements  /  15 groups
Special Elements/Coatings No information No information
Focal Length
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Focal Length 135-400 mm 120-400 mm
Zoom Range 265 mm 280 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No Yes
OS
Image Stabilization CIPA Rating N/A N/A
Physical
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Weather Sealing No No
Diameter 83 mm 92 mm
Length 183 mm 203 mm
Weight 1245 gr 1750 gr
Other
Sigma EX 135-400mm F4.5-5.6 DG APO
Sigma 120-400mm F4.5-5.6 DG APO HSM OS
Filter Type Filter Thread Filter Thread
Filter Diameter 77 mm 77 mm
Lens Hood Included Included
Lens Hood SKU N/A LH830-01
Tripod Collar Included Included
Tripod Collar SKU N/A N/A