Pentax smc DA 50-200mm F4-5.6 ED WR vs Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary

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

Pentax

smc DA 50-200mm F4-5.6 ED WR

f/4285 g

Full specs

Sigma

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

f/5

Full specs

Pick the Pentax smc DA 50-200mm F4-5.6 ED WR if

You need ⅔ stop more light for low light or background blur (f/4 vs f/5)
You want a wider view: 50mm vs 100mm at the wide end
Our notes say it suits: Travel telephoto, casual portraits, outdoor use

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

You need more reach: 400mm vs 200mm at the long end

Spec differences

11 differences

Specifications that differ between the Pentax smc DA 50-200mm F4-5.6 ED WR and the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary
	Pentax smc DA 50-200mm F4-5.6 ED WR	Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary
Brand	Pentax	Sigma
Type	Zoom	Telephoto Zoom
Format	APS-C	not listed
Focal length	50-200mm	100-400mm
Max aperture	f/4 ⅔ stop faster	f/5
Weight	285 g	not listed
Length	80 mm	not listed
Diameter	69 mm	not listed
Filter thread	49 mm	not listed
Min focus distance	1.1 m	not listed
Image stabilization	No	not listed

1 identical spec hidden: mount. Show all

Mount: Pentax K both

Our notes

Pentax smc DA 50-200mm F4-5.6 ED WR

A compact weather-resistant telephoto zoom for Pentax APS-C bodies, weighing about 285 g. It focuses as close as 1.1 m.

Pros

Light at about 285 g
Weather resistant
Compact
Close focus 1.1 m

Cons

Slow aperture
APS-C only
Less reach than 55-300

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.