Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) vs Pentax smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM

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

Tamron

SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)

Pentax

smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM

Buy on Amazon

Verdict at a glance

Pentax smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM goes wider (16mm vs 17mm).

Specification comparison
Spec	SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)	smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM
Brand	Tamron	Pentax
Mount	Pentax K	Pentax K
Type	Zoom	Zoom
Focal length	17-50mm	16-50mm (wider)
Max aperture	f/2.8	f/2.8
Format	aps-c	n/a
Filter mm	67	n/a
Min focus m	0.27	n/a

Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)

A popular APS-C standard zoom with a constant f/2.8 aperture, much used on Pentax bodies with in-body stabilization. It has a 67mm filter thread and a minimum focus distance of 0.27 m.

Pros

Constant f/2.8
Compact 67mm filter size
Constant aperture with in-body stabilization support
Works with Pentax in-body stabilization

Cons

APS-C only
No weather sealing
Plastic build

Pentax smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM

A 16-50mm f/2.8 fast standard zoom lens, the Pentax smc Pentax-DA* 16-50mm f/2.8 ED AL IF SDM is designed for Pentax K mount bodies, with extra-low dispersion glass. A premium weather-resistant "Star" series lens for Pentax K-mount cameras.

More comparisons for Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF)

Compare other lenses or browse our best-of guides.