Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF vs Sigma 8-16mm f/4.5-5.6 DC HSM

Both are Pentax K lenses for APS-C. 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

8-16mm f/4.5-5.6 DC HSM

f/4.5HSM

Full specs

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

You need ⅔ stop more light for low light or background blur (f/3.5 vs f/4.5)
You need more reach: 17mm vs 16mm at the long end
You shoot close-ups: it focuses down to 0.14 m vs 0.24 m
You want bigger close-ups: 0.39× vs 0.13× maximum magnification

Pick the Sigma 8-16mm f/4.5-5.6 DC HSM if

You want a wider view: 8mm vs 10mm at the wide 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 care about the shape of out-of-focus highlights: 7 aperture blades vs 6

Spec differences

13 differences

Specifications that differ between the Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF and the Sigma 8-16mm f/4.5-5.6 DC HSM
	Pentax smc Pentax-DA Fish-Eye 10-17mm f/3.5-4.5 ED IF	Sigma 8-16mm f/4.5-5.6 DC HSM
Brand	Pentax	Sigma
Type	Fisheye	Wide Zoom
Focal length	10-17mm	8-16mm
Max aperture	f/3.5 ⅔ stop faster	f/4.5
Weight	320 g	not listed
Length	71 mm	not listed
Diameter	69 mm	not listed
Min focus distance	0.14 m closer	0.24 m
Max magnification	0.39× larger	0.13×
Aperture blades	6	7 more blades
Optical design	10 elements / 8 groups	15 elements / 11 groups
Autofocus motor	screw-drive	HSM
Released	2006	not listed

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

Mount: Pentax K both
Format: APS-C 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