Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO vs Sigma 24-70mm f/2.8 DG OS HSM Art

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Tamron

SP AF 70-200mm F/2.8 Di LD (IF) MACRO

Sigma

24-70mm f/2.8 DG OS HSM Art

Verdict at a glance

Sigma 24-70mm f/2.8 DG OS HSM Art goes wider (24mm vs 70mm).
Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO reaches further (200mm vs 70mm).

Specification comparison
Spec	SP AF 70-200mm F/2.8 Di LD (IF) MACRO	24-70mm f/2.8 DG OS HSM Art
Brand	Tamron	Sigma
Mount	Pentax K	Pentax K
Type	Telephoto Zoom	Zoom
Focal length	70-200mm	24-70mm (wider)
Max aperture	f/2.8	f/2.8
Filter mm	77	82
Min focus m	0.95	0.37 (closer focusing)
Blades	n/a	9
Format	n/a	full-frame
Groups	n/a	14
Af motor	n/a	HSM
Elements	n/a	19
Length mm	n/a	107.6
Stabilized	n/a	Yes
Diameter mm	n/a	88.0
Max magnification	n/a	0.21

Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO

An older f/2.8 telephoto zoom for Pentax K-mount cameras with a 77mm filter size. It has no stabilization of its own, but benefits from in-body shake reduction.

Pros

Constant f/2.8
Pentax in-body stabilization works with it
77mm filters
Macro mode

Cons

Heavier than modern f/4 zooms
Slower, noisier autofocus
Minimum focus 0.95 m

Sigma 24-70mm f/2.8 DG OS HSM Art

A 24-70mm f/2.8 full-frame fast standard zoom lens, the Sigma 24-70mm f/2.8 DG OS HSM Art is designed for Pentax K mount bodies, from the Sigma Art line with Optical Stabilizer and Hyper Sonic Motor autofocus. A standard zoom from Sigma's Art line with a constant f/2.8 apertur...

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