The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 18-55mm F3.5-5.6G VR and the Sigma 30mm F1.4 DC HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Nikon 18-55mm F3.5-5.6G VR weighs 205g, which means it is 230g (52%) lighter than the Sigma 30mm F1.4 DC HSM which has a weight of 435g.
Filter Threads
The Nikon 18-55mm F3.5-5.6G VR has a filter size of 55mm whereas the Sigma 30mm F1.4 DC HSM has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Nikon 18-55mm F3.5-5.6G VR:
And these are the 62mm filters that we recommend for the Sigma 30mm F1.4 DC HSM:
Lens Mounts
Both the Nikon 18-55mm F3.5-5.6G VR and the Sigma 30mm F1.4 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.
Nikon 18-55mm F3.5-5.6G VR is also available in the Nikon F (DX) mount.
Sigma 30mm F1.4 DC HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
Nikon 18-55mm F3.5-5.6G VR has a focal range of 18-55mm and
3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-82.5mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 30mm F1.4 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.
