The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 35mm F1.4 and the Hartblei 40mm F4 IF TS for their suitability to various photography scenarios:
Size and Weight Comparison
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samyang 35mm F1.4 weighs 660g, which means it is 890g (57%) lighter than the Hartblei 40mm F4 IF TS which has a weight of 1550g.
Lens Mounts
Both the Samyang 35mm F1.4 and the Hartblei 40mm F4 IF TS has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Samyang 35mm F1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Hartblei 40mm F4 IF TS is also available in Canon EF , Pentax KAF and Sony Alpha mounts.
Focal Range
Samyang 35mm F1.4 is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 52.5mm.
Hartblei 40mm F4 IF TS is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 60mm.