The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Sol 45 Mirrorless and the Zeiss Touit 50mm f2.8 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Zeiss Touit 50mm f2.8 is the longer of the two lenses at 91mm. The Lensbaby Sol 45 Mirrorless with a length of 65mm is 26mm shorter. On the other hand, the Lensbaby Sol 45 Mirrorless has a larger diameter of 73mm compared to Zeiss Touit 50mm f2.8's 65mm 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. Lensbaby Sol 45 Mirrorless weighs 272g, which means it is 18g (6%) lighter than the Zeiss Touit 50mm f2.8 which has a weight of 290g.
Lens Mounts
Both Lensbaby Sol 45 Mirrorless and Zeiss Touit 50mm f2.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
Lensbaby Sol 45 Mirrorless is also available in Fujifilm X mount.
Zeiss Touit 50mm f2.8 is also available in Fujifilm X mount.
Focal Range
Lensbaby Sol 45 Mirrorless 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 an 35mm (FF) equivalent of 67.5mm.
Zeiss Touit 50mm f2.8 is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.