The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Hartblei Macro 120mm F4 TS and the Venus 105mm F2 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. Hartblei Macro 120mm F4 TS is the longer of the two lenses at 106mm. The Venus 105mm F2 with a length of 99mm, is 7mm shorter. Besides being longer, the Hartblei Macro 120mm F4 TS also has a larger diameter of 89mm compared to the Venus 105mm F2's 76mm 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. Venus 105mm F2 weighs 745g, 22% (220g) lighter than the Hartblei Macro 120mm F4 TS's weight of 965g.
Filter Threads
The Hartblei Macro 120mm F4 TS has a filter size of 72mm whereas the Venus 105mm F2 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Hartblei Macro 120mm F4 TS:
And these are the 67mm filters that we recommend for the Venus 105mm F2:
Lens Mounts
Both the Hartblei Macro 120mm F4 TS and the Venus 105mm F2 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.
Hartblei Macro 120mm F4 TS is also available in Canon EF , Pentax KAF and Nikon F (FX) mounts.
Venus 105mm F2 is also available in Sony E , Canon EF, Nikon F (FX) and Pentax KAF2 mounts.
Focal Range
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 1.5x crop, it provides a 35mm (FF) equivalent of
181.5mm.
On the other hand, the Venus 105mm F2 is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 157.5mm.