Sigma AF 105mm F2.8 EX DG Macro HSM OS Lens
The Sigma 105mm f/2.8 HSM OS is a 105mm f/2.8 lens designed for Canon EF, Nikon F, Sony A, Sigma SA mount cameras. Used copies start from $328.6 on GearFocus, with buyer protection on every purchase.
Sigma AF 105mm F2.8 EX DG Macro HSM OS Lens
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Lens Overview — Sigma 105mm f/2.8 HSM OS
Key Features — Sigma 105mm f/2.8 HSM OS
105mm Prime Focal Length: A fixed 105mm focal length provides a flattering perspective for close-up subjects and doubles as a medium telephoto for portraits and general use.
1:1 Macro Magnification: Achieves true life-size reproduction, allowing photographers to capture fine subject detail at full-frame scale.
f/2.8 Maximum Aperture: A fast maximum aperture improves performance in lower light and produces background separation useful for isolating macro subjects.
Optical Image Stabilization: Built-in OS (Optical Stabilizer) helps reduce the effect of camera shake during handheld shooting, particularly valuable at close focusing distances.
HSM Autofocus: Sigma's Hyper Sonic Motor delivers quiet and responsive autofocus, with full-time manual focus override available at any time.
Full-Frame Coverage: Designed to cover the full 35mm frame, making it fully compatible with both full-frame and APS-C DSLR bodies.
Lens Specifications — Sigma 105mm f/2.8 HSM OS
| Spec | Detail |
|---|---|
| Use Cases | Macro, Portrait, Product |
| Lens Type | Macro |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 105mm |
| Maximum Aperture | f/2.8 |
| Camera System | DSLR |
| Lens Mount | Canon EF, Nikon F, Sony A, Sigma SA |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical (OIS) |
| Filter Thread | 62mm |
Description — Sigma 105mm f/2.8 HSM OS
The Sigma AF 105mm f/2.8 EX DG Macro HSM OS Lens is a prime telephoto macro optic designed for full-frame DSLR camera systems. With a fixed focal length of 105mm and a maximum aperture of f/2.8, it is well-suited to close-up photography where subject detail and image clarity are paramount. The inclusion of optical image stabilization adds a practical advantage for handheld shooting situations, helping to reduce the impact of camera movement.
Photographers have the option to use either autofocus or manual focus, providing control over how the lens acquires focus depending on the subject and conditions. The lens features a 62mm filter thread, compatible with a broad selection of standard filter accessories. Weighing in at 725g, it sits within a reasonable range for a macro prime of this aperture class.
Mount compatibility covers Canon EF, Nikon F, Sony A, and Sigma SA, ensuring the lens can be paired with a wide variety of DSLR bodies across multiple manufacturers.
Pros — Sigma 105mm f/2.8 HSM OS
- ✓Maximum aperture of f/2.8 provides strong light-gathering capability for a macro prime
- ✓Optical image stabilization helps reduce camera shake during handheld shooting
- ✓Both autofocus and manual focus modes are supported for shooting flexibility
Cons — Sigma 105mm f/2.8 HSM OS
- ✗At 725g, the lens is relatively heavy for handheld use over extended shooting sessions
- ✗Fixed 105mm focal length offers no zoom flexibility, requiring physical repositioning to reframe
- ✗Compatible only with DSLR camera systems; not designed for mirrorless mount compatibility
Videos — Sigma 105mm f/2.8 HSM OS
Sigma 105mm f/2.8 DG Macro HSM OS lens review with samples (Full-frame & APS-C) — Christopher Frost