Pentax DA 18-50mm F4.5-5.6 DC WR RE vs Sigma 12-24mm f/4.5-5.6 EX DG HSM

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

Pentax

Verdict at a glance

Sigma 12-24mm f/4.5-5.6 EX DG HSM goes wider (12mm vs 18mm).
Pentax DA 18-50mm F4.5-5.6 DC WR RE reaches further (50mm vs 24mm).

Specification comparison
Spec	DA 18-50mm F4.5-5.6 DC WR RE	12-24mm f/4.5-5.6 EX DG HSM
Brand	Pentax	Sigma
Mount	Pentax K	Pentax K
Type	Zoom	Wide Zoom
Focal length	18-50mm	12-24mm (wider)
Max aperture	f/4.5	f/4.5
Format	aps-c	n/a
Weight g	158	n/a
Filter mm	58	n/a
Length mm	71.0	n/a
Min focus m	0.3	n/a

Pentax DA 18-50mm F4.5-5.6 DC WR RE

A retractable weather-resistant kit zoom for Pentax APS-C bodies, weighing about 158 g. It takes 58mm filters and focuses as close as 0.3 m.

Pros

Very light at about 158 g
Weather resistant
Retractable
Close focus 0.3 m

Cons

Slow aperture
Plastic build
Modest image quality

Sigma 12-24mm f/4.5-5.6 EX DG HSM

Sigma 12-24mm f/4.5-5.6 EX DG HSM: a full-frame wide-angle zoom lens with a 12-24mm focal length and a maximum aperture of f/4.5-5.6, made for Pentax K mount cameras, with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.

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