Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO vs Pentax smc Pentax-DA* 50-135mm f/2.8 ED IF SDM

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

Pentax

smc Pentax-DA* 50-135mm f/2.8 ED IF SDM

Verdict at a glance

Pentax smc Pentax-DA* 50-135mm f/2.8 ED IF SDM goes wider (50mm vs 70mm).
Tamron SP AF 70-200mm F/2.8 Di LD (IF) MACRO reaches further (200mm vs 135mm).

Specification comparison
Spec	SP AF 70-200mm F/2.8 Di LD (IF) MACRO	smc Pentax-DA* 50-135mm f/2.8 ED IF SDM
Brand	Tamron	Pentax
Mount	Pentax K	Pentax K
Type	Telephoto Zoom	Zoom
Focal length	70-200mm	50-135mm (wider)
Max aperture	f/2.8	f/2.8
Released	n/a	2007
Filter mm	77	67
Min focus m	0.95	n/a
Blades	n/a	9
Format	n/a	aps-c
Groups	n/a	14
Af motor	n/a	SDM
Elements	n/a	18
Weight g	n/a	685
Diameter mm	n/a	77.0
Max magnification	n/a	0.17

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

Pentax smc Pentax-DA* 50-135mm f/2.8 ED IF SDM

The Pentax smc Pentax-DA* 50-135mm f/2.8 ED IF SDM is a fast short-telephoto zoom lens covering 50-135mm at f/2.8 for Pentax K mount cameras, with extra-low dispersion glass. A premium weather-resistant "Star" series lens for Pentax K-mount cameras.

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