The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.4 AS UMC and the Lensbaby Sol 45 DSLR 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. Samyang 50mm F1.4 AS UMC is the longer of the two lenses at 75mm. The Lensbaby Sol 45 DSLR with a length of 39mm, is 36mm shorter. Besides being longer, the Samyang 50mm F1.4 AS UMC also has a larger diameter of 82mm compared to the Lensbaby Sol 45 DSLR's 73mm 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. Lensbaby Sol 45 DSLR weighs 144g, 73% (391g) lighter than the Samyang 50mm F1.4 AS UMC's weight of 535g.
Lens Mounts
Both the Samyang 50mm F1.4 AS UMC and the Lensbaby Sol 45 DSLR has the same Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.
Samyang 50mm F1.4 AS UMC is also available in Canon EF , Nikon F (FX), Sony Alpha and Sony E mounts.
Lensbaby Sol 45 DSLR is also available in Canon EF , Fujifilm X, Nikon F (FX) and Sony Alpha mounts.
Focal Range
Samyang 50mm F1.4 AS UMC is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the Lensbaby Sol 45 DSLR is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 67.5mm.