The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Burnside 35 and the Hartblei 40mm F4 IF TS for their suitability to various photography scenarios:
Size and Weight Comparison
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 Burnside 35 weighs 374g, which means it is 1176g (75%) lighter than the Hartblei 40mm F4 IF TS which has a weight of 1550g.
Both Lensbaby Burnside 35 and Hartblei 40mm F4 IF TS has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Lensbaby Burnside 35 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX and Sony E mounts.
Hartblei 40mm F4 IF TS is also available in Canon EF , Pentax KAF and Nikon F (FX) mounts.
Lensbaby Burnside 35 is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 52.5mm.
Hartblei 40mm F4 IF TS is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 60mm.