Sony FE 50mm F1.8 vs Sigma 90mm f/2.8 DG DN Contemporary (Sony E)

Sony FE 50mm F1.8 vs Sigma 90mm f/2.8 DG DN Contemporary (Sony E)

When comparing Sigma 90mm f/2.8 DG DN Contemporary (Sony E) and Sony FE 50mm F1.8, which one is better?

1. Lens Mount Comparison

These two lenses use the same lens mount, the Sony E. This means that both lenses are compatible with cameras that use this mount.

Winner: Tied

Regarding lens mount: Popular lens mounts are Canon RF and EF, Micro Four Thirds and Nikon Z. Different lens mounts lets you connect different lenses to camera bodies, but some might not be compatible. This can be helped by using an adapter, like a Canon EF to RF adapter.

2. Largest Aperture Comparison

The Sony FE 50mm F1.8 has the largest aperture of the two lenses at 1.8 compared to the 2.8 aperture of Sigma 90mm f/2.8 DG DN Contemporary - (Sony E). This means that you get more light to your sensor using Sony FE 50mm F1.8 wide open, and therefore it might be a better lens in dark situations.

Winner: Sony FE 50mm F1.8

Regarding largest aperture: A lower aperture number means that the widest aperture on the lens is larger. This means that more light will hit the sensor and also that the depth of field will be shallower, better separating your subject from the background.

Specifications

Full specifications table of Sony FE 50mm F1.8 and Sigma 90mm f/2.8 DG DN Contemporary (Sony E):

	Sony FE 50mm F1.8	Sigma 90mm f/2.8 DG DN Contemporary - (Sony E)
	Price ➔	Price ➔
Brand	Sony	Sigma
Weight	Missing	295 g
Lens Mount	Sony E	Sony E
Focal Length	50 mm	90 mm
Largest Aperture	1.8	2.8
Anamorphic	Missing	No
Minimum Focus Distance	Missing	50 cm
Type	Missing	Prime
Aperture Range	Missing	2.8 - 22
Filter Thread Diameter	Missing	55
Lens Groups	Missing	10
Lens Elements	Missing	11
Image Stabilization	Missing	No
Autofocus	Missing	Evet
Macro	Missing	No
Full Frame Coverage	Missing	Yes
Lens Hood Included	Missing	Yes