The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon PC-E Micro-85mm f2.8D and the Sigma 70mm F2.8 EX DG Macro 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. Nikon PC-E Micro-85mm f2.8D is the longer of the two lenses at 107mm. The Sigma 70mm F2.8 EX DG Macro with a length of 95mm, is 12mm shorter. Besides being longer, the Nikon PC-E Micro-85mm f2.8D also has a larger diameter of 83mm compared to the Sigma 70mm F2.8 EX DG Macro'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. Sigma 70mm F2.8 EX DG Macro weighs 527g, 18% (123g) lighter than the Nikon PC-E Micro-85mm f2.8D's weight of 650g.
Lens Mounts
Both the Nikon PC-E Micro-85mm f2.8D and the Sigma 70mm F2.8 EX DG Macro has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 70mm F2.8 EX DG Macro is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Nikon PC-E Micro-85mm f2.8D is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
127.5mm.
On the other hand, the Sigma 70mm F2.8 EX DG Macro is a prime lens with fixed focal lenght of 70mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105mm.