The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Hasselblad 30mm F3.5 and the Hasselblad XCD 45mm F4 P 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. Hasselblad 30mm F3.5 is the longer of the two lenses at 88mm. The Hasselblad XCD 45mm F4 P with a length of 52mm, is 36mm shorter. Besides being longer, the Hasselblad 30mm F3.5 also has a larger diameter of 83mm compared to the Hasselblad XCD 45mm F4 P's 80mm diameter.
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Below you can find a scaled side-by-side image of Hasselblad 30mm F3.5 and Hasselblad XCD 45mm F4 P to get a better idea of how their sizes compare in real life.
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 45mm F4 P weighs 230g, 58% (320g) lighter than the Hasselblad 30mm F3.5's weight of 550g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Hasselblad X Mount for size comparison purposes.
Wideangle Lenses in Hasselblad X Mount for Size Comparison
Filter Threads
The Hasselblad 30mm F3.5 has a filter size of 77mm whereas the Hasselblad XCD 45mm F4 P 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 77mm filters that we recommend you to consider for the Hasselblad 30mm F3.5:
And these are the 62mm filters that we recommend for the Hasselblad XCD 45mm F4 P:
Lens Mounts
Both the Hasselblad 30mm F3.5 and the Hasselblad XCD 45mm F4 P has the same Hasselblad X lens mount. Some of the latest released cameras that are compatible with the Hasselblad X lenses are Hasselblad X2D, Hasselblad X1D II 50C and Hasselblad X1D.
Focal Range
Hasselblad 30mm F3.5 is a prime lens with fixed focal lenght of 31mm.
On the other hand, the Hasselblad XCD 45mm F4 P is a prime lens with fixed focal lenght of 45mm.