The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 35mm f2.8 Macro DX and the Sigma 30mm F1.4 EX DC HSM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Tokina 35mm f2.8 Macro DX is the longer of the two lenses at 60mm. The Sigma 30mm F1.4 EX DC HSM with a length of 59mm is 1mm shorter. On the other hand, the Sigma 30mm F1.4 EX DC HSM has a larger diameter of 77mm compared to Tokina 35mm f2.8 Macro DX's 73mm diameter.
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. Tokina 35mm f2.8 Macro DX weighs 340g, which means it is 90g (20%) lighter than the Sigma 30mm F1.4 EX DC HSM which has a weight of 430g.
Lens Mounts
Both Tokina 35mm f2.8 Macro DX and Sigma 30mm F1.4 EX DC HSM has the same Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Tokina 35mm f2.8 Macro DX is also available in Canon EF mount.
Sigma 30mm F1.4 EX DC HSM is also available in Canon EF-S , Four Thirds, Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Tokina 35mm f2.8 Macro DX is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of 52.5mm when used on a APS-C / DX format camera. Sigma 30mm F1.4 EX DC HSM is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 45mm when used on a APS-C / DX format camera.