The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 150mm F2.8 EX DG Macro HSM and the Hartblei Macro 120mm F4 TS 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. Sigma 150mm F2.8 EX DG Macro HSM is the longer of the two lenses at 137mm. The Hartblei Macro 120mm F4 TS with a length of 106mm, is 31mm shorter. On the other hand, the Hartblei Macro 120mm F4 TS has a larger diameter of 89mm compared to the Sigma 150mm F2.8 EX DG Macro HSM's 80mm 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. Sigma 150mm F2.8 EX DG Macro HSM weighs 895g, which means it is 70g (7%) lighter than the Hartblei Macro 120mm F4 TS which has a weight of 965g.
Filter Threads
Both the Sigma 150mm F2.8 EX DG Macro HSM and the Hartblei Macro 120mm F4 TS have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 150mm F2.8 EX DG Macro HSM and the Hartblei Macro 120mm F4 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.
Sigma 150mm F2.8 EX DG Macro HSM is also available in Nikon F (FX) , Four Thirds and Sigma SA mounts.
Hartblei Macro 120mm F4 TS is also available in Pentax KAF , Sony Alpha and Nikon F (FX) mounts.
Focal Range
Sigma 150mm F2.8 EX DG Macro HSM is a prime lens with fixed focal lenght of 150mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
240mm.
On the other hand, the Hartblei Macro 120mm F4 TS is a prime lens with fixed focal lenght of 121mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 193.6mm.