Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary vs Tamron 100-400mm f/4.5-6.3 Di VC USD

Both are Pentax K telephoto zoom lenses. Here is what actually differs.

Sigma

100-400mm f/5-6.3 DG OS HSM Contemporary

f/5

Full specs

Tamron

100-400mm f/4.5-6.3 Di VC USD

f/4.5USD

Full specs

Pick the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary if

Our spec data shows no clear advantage for this lens.

Pick the Tamron 100-400mm f/4.5-6.3 Di VC USD if

You need ⅓ stop more light for low light or background blur (f/4.5 vs f/5)

Spec differences

6 differences

Specifications that differ between the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary and the Tamron 100-400mm f/4.5-6.3 Di VC USD
	Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary	Tamron 100-400mm f/4.5-6.3 Di VC USD
Brand	Sigma	Tamron
Max aperture	f/5	f/4.5 ⅓ stop faster
Filter thread	not listed	67 mm
Min focus distance	not listed	1.5 m
Autofocus motor	not listed	USD
Image stabilization	not listed	Yes

3 identical specs hidden: mount, type, focal length. Show all

Mount: Pentax K both
Type: Telephoto Zoom both
Focal length: 100-400mm both

Our notes

Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary

This 100-400mm f/5-6.3 full-frame telephoto zoom lens from Sigma fits Pentax K mount cameras, from the Sigma Contemporary line with Optical Stabilizer and Hyper Sonic Motor autofocus. A long-reach telephoto zoom aimed at sports and wildlife.

Our notes

Tamron 100-400mm f/4.5-6.3 Di VC USD

A 100-400mm f/4.5-6.3 full-frame telephoto zoom lens, the Tamron 100-400mm f/4.5-6.3 Di VC USD is designed for Pentax K mount bodies, with Vibration Compensation. The range suits sports, wildlife, events and portraits.