Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF vs Sigma 12-24mm f/4 DG HSM Art

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

Pentax · 2006

smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF

f/3.5320 gscrew-drive

Check price Full specs

Sigma

12-24mm f/4 DG HSM Art

f/4HSM

Full specs

Pick the Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF if

You need ⅓ stop more light for low light or background blur (f/3.5 vs f/4)
You want a wider view: 10mm vs 12mm at the wide end
You shoot close-ups: it focuses down to 0.14 m vs 0.24 m
You want bigger close-ups: 0.39× vs 0.2× maximum magnification
You want a compact lens: 71 mm vs 131.5 mm long

Pick the Sigma 12-24mm f/4 DG HSM Art if

You need more reach: 24mm vs 17mm at the long end
Your camera has no AF drive motor: the HSM is built into the lens, the Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF needs a screw drive in the body
You shoot full frame: the Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF is made for APS-C
You care about the shape of out-of-focus highlights: 9 aperture blades vs 6

Spec differences

14 differences

Specifications that differ between the Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF and the Sigma 12-24mm f/4 DG HSM Art
	Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF	Sigma 12-24mm f/4 DG HSM Art
Brand	Pentax	Sigma
Type	Fisheye	Wide Zoom
Format	APS-C	Full frame
Focal length	10-17mm	12-24mm
Max aperture	f/3.5 ⅓ stop faster	f/4
Weight	320 g	not listed
Length	71 mm shorter	131.5 mm
Diameter	69 mm slimmer	102 mm
Min focus distance	0.14 m closer	0.24 m
Max magnification	0.39× larger	0.2×
Aperture blades	6	9 more blades
Optical design	10 elements / 8 groups	16 elements / 11 groups
Autofocus motor	screw-drive	HSM
Released	2006	not listed

2 identical specs hidden: mount, image stabilization. Show all

Mount: Pentax K both
Image stabilization: No both

Our notes

Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF

This 10-17mm f/3.5-4.5 fisheye lens from Pentax fits Pentax K mount cameras, with extra-low dispersion glass. It suits dramatic perspectives, astrophotography and creative wide-field work.

Our notes

Sigma 12-24mm f/4 DG HSM Art

The Sigma 12-24mm f/4 DG HSM Art is a full-frame wide-angle zoom lens covering 12-24mm at f/4 for Pentax K mount cameras, from the Sigma Art line with Hyper Sonic Motor autofocus. It covers wide angles for landscapes, interiors and architecture.