Canon CN-E 135mm T2.2 L F vs Sirui 135mm T2.9 1.8x (Sony E Mount)

Canon CN-E 135mm T2.2 L F vs Sirui 135mm T2.9 1.8x (Sony E Mount)

When comparing Sirui 135mm T2.9 1.8x (Sony E Mount) and Canon CN-E 135mm T2.2 L F, which one is better?

1. Largest Aperture Comparison

The Canon CN-E 135mm T2.2 L F has the largest aperture of the two lenses at 2.2 compared to the 2.9 aperture of Sirui 135mm T2.9 1.8x - (Sony E Mount). This means that you get more light to your sensor using Canon CN-E 135mm T2.2 L F wide open, and therefore it might be a better lens in dark situations.

Winner: Canon CN-E 135mm T2.2 L F

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 Canon CN-E 135mm T2.2 L F and Sirui 135mm T2.9 1.8x (Sony E Mount):

	Canon CN-E 135mm T2.2 L F	Sirui 135mm T2.9 1.8x - (Sony E Mount)
	Price ➔	Price ➔
Brand	Canon	Sirui
Lens Mount	Missing	Sony E
Focal Length	135 mm	135 mm
Largest Aperture	2.2	2.9
Anamorphic	Missing	Yes
Anamorphic Squeeze Factor	Missing	1.8
Type	Prime	Missing