The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Hasselblad XCD 28mm F4 P and the Sigma 18-50mm F2.8-4.5 DC OS HSM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 18-50mm F2.8-4.5 DC OS HSM is the longer of the two lenses at 89mm. The Hasselblad XCD 28mm F4 P with a length of 44mm, is 45mm shorter. On the other hand, the Hasselblad XCD 28mm F4 P has a larger diameter of 75mm compared to the Sigma 18-50mm F2.8-4.5 DC OS HSM's 74mm diameter.
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. Hasselblad XCD 28mm F4 P weighs 245g, which means it is 150g (37%) lighter than the Sigma 18-50mm F2.8-4.5 DC OS HSM which has a weight of 395g.
Filter Threads
The Hasselblad XCD 28mm F4 P has a filter size of 72mm whereas the Sigma 18-50mm F2.8-4.5 DC OS HSM has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Hasselblad XCD 28mm F4 P:
And these are the 67mm filters that we recommend for the Sigma 18-50mm F2.8-4.5 DC OS HSM:
Lens Mounts
The Hasselblad XCD 28mm F4 P has the Hasselblad X lens mount whereas the Sigma 18-50mm F2.8-4.5 DC OS HSM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Hasselblad X2D II, Hasselblad X2D and Hasselblad X1D II for the Hasselblad X Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount.
Sigma 18-50mm F2.8-4.5 DC OS HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA and Nikon F (DX) mounts.
Focal Range
Hasselblad XCD 28mm F4 P is a prime lens with fixed focal lenght of 28mm.
On the other hand, the Sigma 18-50mm F2.8-4.5 DC OS HSM has a focal range of 18-50mm and 2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28.8-80mm when used on a APS-C / DX format camera.
