The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Kamlan 50mm F1.1 II and the Lensbaby Sol 45 Mirrorless 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. Lensbaby Sol 45 Mirrorless weighs 272g, 54% (328g) lighter than the Kamlan 50mm F1.1 II's weight of 600g.
Lens Mounts
The Kamlan 50mm F1.1 II has the Canon EF-M lens mount whereas the Lensbaby Sol 45 Mirrorless has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Canon EF-M Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
Kamlan 50mm F1.1 II is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Lensbaby Sol 45 Mirrorless is also available in Fujifilm X mount.
Focal Range
Kamlan 50mm F1.1 II 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.
On the other hand, the 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 a 35mm (FF) equivalent of 67.5mm.