Tamron 100-400mm f/4.5-6.3 Di VC USD vs Sigma 150-500mm f/5-6.3 APO DG OS HSM

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

Tamron

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

f/4.5USD

Full specs

Sigma

150-500mm f/5-6.3 APO DG OS HSM

f/5HSM

Full specs

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)
You want a wider view: 100mm vs 150mm at the wide end
You shoot close-ups: it focuses down to 1.5 m vs 2.2 m

Pick the Sigma 150-500mm f/5-6.3 APO DG OS HSM if

You need more reach: 500mm vs 400mm at the long end

Spec differences

10 differences

Specifications that differ between the Tamron 100-400mm f/4.5-6.3 Di VC USD and the Sigma 150-500mm f/5-6.3 APO DG OS HSM
	Tamron 100-400mm f/4.5-6.3 Di VC USD	Sigma 150-500mm f/5-6.3 APO DG OS HSM
Brand	Tamron	Sigma
Format	not listed	Full frame
Focal length	100-400mm	150-500mm
Max aperture	f/4.5 ⅓ stop faster	f/5
Filter thread	67 mm	86 mm
Min focus distance	1.5 m closer	2.2 m
Max magnification	not listed	0.19×
Aperture blades	not listed	9
Optical design	not listed	21 elements / 15 groups
Autofocus motor	USD	HSM

3 identical specs hidden: mount, type, image stabilization. Show all

Mount: Pentax K both
Type: Telephoto Zoom both
Image stabilization: Yes both

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.

Our notes