
Sigma
Sigma 635954 24-105mm F4.0 Art DG OS HSM Lens for Canon
★★★★★
Sigma's premium Art-series 24-105mm f/4 zoom delivers sharp, stabilized images across a versatile focal range for Canon shooters.
$605.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Specifications
Brand
Sigma
Model
635954
Focal Length
24-105mm
Maximum Aperture
f/4.0 (constant)
Lens Mount
Canon EF
Series
Art
Lens Type
DG OS HSM
Image Stabilization
Yes (OS)
Autofocus Motor
HSM (Hyper Sonic Motor)
Pros & Cons
👍 Pros
- Constant f/4 aperture maintains consistent exposure across the entire 24-105mm zoom range.
- Sigma Art-line optics deliver excellent sharpness and minimal chromatic aberration.
- Built-in optical stabilization compensates for hand-held camera shake.
- HSM autofocus motor is fast and nearly silent with full-time manual override.
- Versatile 24-105mm range covers wide-angle to medium telephoto in a single lens.
👎 Cons
- At f/4 maximum aperture, it gathers less light than f/2.8 zoom alternatives for low-light or shallow depth-of-field work.
- The lens is relatively heavy and large compared to kit-level 24-105mm options.
- No weather sealing may limit confidence shooting in rain or dusty environments.
- Autofocus speed can slow in very low contrast or dim conditions.
Frequently Asked Questions
Does this lens include optical image stabilization?
Yes, the OS (Optical Stabilizer) designation means it has built-in stabilization to reduce camera shake, particularly useful at longer focal lengths and in low-light conditions.
Is the f/4 aperture constant throughout the zoom range?
Yes, this lens maintains a constant f/4 maximum aperture from 24mm to 105mm, so exposure stays consistent as you zoom.
What Canon camera bodies is this lens compatible with?
It uses a Canon EF mount, making it compatible with Canon EOS DSLR bodies. It can also be used on Canon mirrorless cameras with an EF-to-RF adapter.
Does the lens use Sigma's HSM autofocus motor?
Yes, the HSM (Hyper Sonic Motor) provides fast, quiet autofocus with full-time manual focus override capability.
Is this lens part of Sigma's Art line?
Yes, the Art designation places it in Sigma's highest optical quality tier, prioritizing sharpness and image rendering over compact size.