The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 40mm F2 SL II and the Hartblei 40mm F4 IF TS 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. Voigtlander 40mm F2 SL II weighs 200g, which means it is 1350g (87%) lighter than the Hartblei 40mm F4 IF TS which has a weight of 1550g.
Filter Threads
The Voigtlander 40mm F2 SL II has a filter size of 52mm whereas the Hartblei 40mm F4 IF TS has a 86mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Voigtlander 40mm F2 SL II:
And these are the 86mm filters that we recommend for the Hartblei 40mm F4 IF TS:
Lens Mounts
Both the Voigtlander 40mm F2 SL II and the Hartblei 40mm F4 IF TS has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Voigtlander 40mm F2 SL II is also available in Nikon F (FX) and Pentax KAF mounts.
Hartblei 40mm F4 IF TS is also available in Pentax KAF , Sony Alpha and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
40mm but while Voigtlander 40mm F2 SL II has the fastest aperture of
F2.0, the Hartblei 40mm F4 IF TS's widest aperture value is
F4.0.