Compare lenses

Pentax HD FA 35mm f/2 vs Sigma 35mm f/1.4 DG HSM Art

The Pentax HD FA 35mm f/2 and the Sigma 35mm f/1.4 DG HSM Art side by side, computed from this guide's catalogue.

Which to pick

Pick the Sigma 35mm f/1.4 DG HSM Art if you want a brighter f/1.4 (1.0 stops more light), for dim light and softer backgrounds and a fit on more cameras (125 against 20 in this guide). On these specs the Pentax HD FA 35mm f/2 has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Pentax HD FA 35mm f/2 and the Sigma 35mm f/1.4 DG HSM Art

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Pentax HD FA 35mm f/2	Sigma 35mm f/1.4 DG HSM Art
Maker	Pentax	Sigma
Focal length	35mm (prime)	35mm (prime)
Full-frame equivalent	35mm	35mm
Maximum aperture	f/2	f/1.4brighter
Made for	Full frame	Full frame
Mounts	Pentax K	Canon EF, Nikon F, Pentax K, Sony E, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Weight	193 g	not listed
Cameras it fits	20 in this guide	125 in this guidefits more cameras

Focal range, in full-frame terms

Pentax HD FA 35mm f/2: 35mm.

Sigma 35mm f/1.4 DG HSM Art: 35mm.

Aperture

Pentax HD FA 35mm f/2: f/2 wide open.

Sigma 35mm f/1.4 DG HSM Art: f/1.4 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

20 cameras in this guide take both, so either works on the same body. In all, the Pentax HD FA 35mm f/2 fits 20 and the Sigma 35mm f/1.4 DG HSM Art 125.