Sigma EX 105/2.8 DG OS HSM Macro (Sony) vs Sigma 40mm T1.5 FF (Sony E)

Sigma EX 105/2.8 DG OS HSM Macro (Sony) vs Sigma 40mm T1.5 FF (Sony E)

When comparing Sigma 40mm T1.5 FF (Sony E) and Sigma EX 105/2.8 DG OS HSM Macro (Sony), 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 Sigma 40mm T1.5 FF - (Sony E) has the largest aperture of the two lenses at 1.5 compared to the 2.8 aperture of Sigma EX 105/2.8 DG OS HSM Macro - (Sony). This means that you get more light to your sensor using Sigma 40mm T1.5 FF - (Sony E) wide open, and therefore it might be a better lens in dark situations.

Winner: Sigma 40mm T1.5 FF (Sony E)

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 Sigma EX 105/2.8 DG OS HSM Macro (Sony) and Sigma 40mm T1.5 FF (Sony E):

	Sigma EX 105/2.8 DG OS HSM Macro - (Sony)	Sigma 40mm T1.5 FF - (Sony E)
	Price ➔	Price ➔
Brand	Sigma	Sigma
Weight	Missing	1620 g
Lens Mount	Sony E	Sony E
Focal Length	105 mm	40 mm
Largest Aperture	2.8	1.5
Anamorphic	Missing	No
Minimum Focus Distance	Missing	40 cm
Type	Missing	Prime
Aperture Range	Missing	1.5 - 16
Filter Thread Diameter	Missing	82
Image Stabilization	Missing	Yes
Autofocus	Missing	Hayır
Macro	Missing	No
Weather Seal	Missing	Yes
Full Frame Coverage	Missing	Yes
Lens Hood Included	Missing	No