Compare lenses

Pentax smc D FA Macro 50mm f/2.8 vs Pentax smc DA 35mm f/2.4 AL

The Pentax smc D FA Macro 50mm f/2.8 and the Pentax smc DA 35mm f/2.4 AL side by side, computed from this guide's catalogue.

Which to pick

Pick the Pentax smc D FA Macro 50mm f/2.8 if you want coverage of full frame, so it suits the larger-sensor bodies too. Pick the Pentax smc DA 35mm f/2.4 AL if you want a brighter f/2.4 (0.4 stops more light), for dim light and softer backgrounds; a design for APS-C, which usually means smaller and lighter; and a lighter lens (124 g against 265 g).

Still torn? Ask the guide about the Pentax smc D FA Macro 50mm f/2.8 and the Pentax smc DA 35mm f/2.4 AL

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 smc D FA Macro 50mm f/2.8	Pentax smc DA 35mm f/2.4 AL
Maker	Pentax	Pentax
Focal length	50mm (macro)	35mm (prime)
Full-frame equivalent	50mm	52mm on APS-C
Maximum aperture	f/2.8	f/2.4brighter
Made for	Full frame	APS-C
Mounts	Pentax K	Pentax K
Stabilised	no	no
Autofocus	yes	yes
Weight	265 g	124 glighter
Cameras it fits	20 in this guide	20 in this guide

Focal range, in full-frame terms

Pentax smc D FA Macro 50mm f/2.8: 50mm.

Pentax smc DA 35mm f/2.4 AL: 35mm on APS-C, like 52mm.

Aperture

Pentax smc D FA Macro 50mm f/2.8: f/2.8 wide open.

Pentax smc DA 35mm f/2.4 AL: f/2.4 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.