Compare lenses

Laowa 105mm f/2 STF vs Pentax HD D FA Macro 100mm f/2.8 ED AW

The Laowa 105mm f/2 STF and the Pentax HD D FA Macro 100mm f/2.8 ED AW side by side, computed from this guide's catalogue.

Which to pick

Pick the Laowa 105mm f/2 STF if you want a brighter f/2 (1.0 stops more light), for dim light and softer backgrounds and a fit on more cameras (100 against 20 in this guide). Pick the Pentax HD D FA Macro 100mm f/2.8 ED AW if you want autofocus and a lighter lens (348 g against 745 g).

Still torn? Ask the guide about the Laowa 105mm f/2 STF and the Pentax HD D FA Macro 100mm f/2.8 ED AW

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Laowa 105mm f/2 STF	Pentax HD D FA Macro 100mm f/2.8 ED AW
Maker	Laowa	Pentax
Focal length	105mm (prime)	100mm (macro)
Full-frame equivalent	105mm	100mm
Maximum aperture	f/2brighter	f/2.8
Made for	Full frame	Full frame
Mounts	Sony E, Canon EF, Nikon F, Pentax K	Pentax K
Stabilised	no	no
Autofocus	no, manual focus	yesautofocus
Weight	745 g	348 glighter
Cameras it fits	100 in this guidefits more cameras	20 in this guide

Focal range, in full-frame terms

Laowa 105mm f/2 STF: 105mm.

Pentax HD D FA Macro 100mm f/2.8 ED AW: 100mm.

Aperture

Laowa 105mm f/2 STF: f/2 wide open.

Pentax HD D FA Macro 100mm f/2.8 ED AW: f/2.8 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 Laowa 105mm f/2 STF fits 100 and the Pentax HD D FA Macro 100mm f/2.8 ED AW 20.