Compare lenses

Sony FE 100-400mm f/4.5-5.6 GM OSS vs Sony FE 100-400mm f/5.6-8 OSS

The Sony FE 100-400mm f/4.5-5.6 GM OSS and the Sony FE 100-400mm f/5.6-8 OSS side by side, computed from this guide's catalogue.

Which to pick

Pick the Sony FE 100-400mm f/4.5-5.6 GM OSS if you want a brighter f/4.5 (0.6 stops more light), for dim light and softer backgrounds. Pick the Sony FE 100-400mm f/5.6-8 OSS if you want a lighter lens (654 g against 1398 g).

Still torn? Ask the guide about the Sony FE 100-400mm f/4.5-5.6 GM OSS and the Sony FE 100-400mm f/5.6-8 OSS

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Sony FE 100-400mm f/4.5-5.6 GM OSS	Sony FE 100-400mm f/5.6-8 OSS
Maker	Sony	Sony
Focal length	100-400mm (zoom)	100-400mm (zoom)
Full-frame equivalent	100-400mm	100-400mm
Maximum aperture	f/4.5-5.6brighter	f/5.6-8
Made for	Full frame	Full frame
Mounts	Sony E	Sony E
Stabilised	yes	yes
Autofocus	yes	yes
Zoom range	4.0×	4.0×
Weight	1398 g	654 glighter
Cameras it fits	41 in this guide	41 in this guide

Focal range, in full-frame terms

Sony FE 100-400mm f/4.5-5.6 GM OSS: 100-400mm.

Sony FE 100-400mm f/5.6-8 OSS: 100-400mm.

Aperture

Sony FE 100-400mm f/4.5-5.6 GM OSS: f/4.5 wide open.

Sony FE 100-400mm f/5.6-8 OSS: f/5.6 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

41 cameras in this guide take both, so either works on the same body.