Zeiss Ultra Prime 135mm T1.9 vs Sony FE 135mm F1.8 GM

Zeiss Ultra Prime 135mm T1.9 vs Sony FE 135mm F1.8 GM

When comparing Sony FE 135mm F1.8 GM and Zeiss Ultra Prime 135mm T1.9, which one is better?

1. Largest Aperture Comparison

The Sony FE 135mm F1.8 GM has the largest aperture of the two lenses at 1.8 compared to the 1.9 aperture of Zeiss Ultra Prime 135mm T1.9. This means that you get more light to your sensor using Sony FE 135mm F1.8 GM wide open, and therefore it might be a better lens in dark situations.

Winner: Sony FE 135mm F1.8 GM

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.

2. Lens Type Comparison

Both lenses are Prime lenses, which means that you can choose both Zeiss Ultra Prime 135mm T1.9 or Sony FE 135mm F1.8 GM if you're looking for that type of lens.

Winner: Tied

Regarding type: There are two types of lenses; zoom lenses and prime lenses. Prime lenses have a fixed focal length and cannot be zoomed, while zoom lenses have a focal length range and can be zoomed in to get closer to the subject. Prime lenses are usually lighter, cheaper and let in more light. Zoom lenses are more versatile but are more expensive since they require a more advanced lens design.

Specifications

Full specifications table of Zeiss Ultra Prime 135mm T1.9 and Sony FE 135mm F1.8 GM:

	Zeiss Ultra Prime 135mm T1.9	Sony FE 135mm F1.8 GM
	Price ➔	Price ➔
Brand	Zeiss	Sony
Weight	Missing	950 g
Lens Mount	Missing	Sony E
Focal Length	135 mm	135 mm
Largest Aperture	1.9	1.8
Anamorphic	Missing	No
Minimum Focus Distance	Missing	70 cm
Type	Prime	Prime
Filter Thread Diameter	Missing	82
Lens Groups	Missing	10
Lens Elements	Missing	13
Image Stabilization	Missing	No
Autofocus	Missing	Evet
Macro	Missing	No
Weather Seal	Missing	Yes
Full Frame Coverage	Missing	Yes
Lens Hood Included	Missing	Yes