Compare lenses

Pentax HD D FA* 50mm f/1.4 SDM AW vs Pentax smc FA 50mm f/1.4

The Pentax HD D FA* 50mm f/1.4 SDM AW and the Pentax smc FA 50mm f/1.4 side by side, computed from this guide's catalogue.

Which to pick

Pick the Pentax smc FA 50mm f/1.4 if you want a lighter lens (216 g against 910 g). On these specs the Pentax HD D FA* 50mm f/1.4 SDM AW 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 D FA* 50mm f/1.4 SDM AW and the Pentax smc FA 50mm f/1.4

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 D FA* 50mm f/1.4 SDM AW	Pentax smc FA 50mm f/1.4
Maker	Pentax	Pentax
Focal length	50mm (prime)	50mm (prime)
Full-frame equivalent	50mm	50mm
Maximum aperture	f/1.4	f/1.4
Made for	Full frame	Full frame
Mounts	Pentax K	Pentax K
Stabilised	no	no
Autofocus	yes	yes
Weight	910 g	216 glighter
Cameras it fits	20 in this guide	20 in this guide

Focal range, in full-frame terms

Pentax HD D FA* 50mm f/1.4 SDM AW: 50mm.

Pentax smc FA 50mm f/1.4: 50mm.

Aperture

Pentax HD D FA* 50mm f/1.4 SDM AW: f/1.4 wide open.

Pentax smc FA 50mm f/1.4: 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.