The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 600mm f4D ED-IF II and the Nikon 85mm f1.8G 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 600mm f4D ED-IF II is the longer of the two lenses at 455mm. The Nikon 85mm f1.8G with a length of 73mm, is 382mm shorter. Besides being longer, the Nikon 600mm f4D ED-IF II also has a larger diameter of 166mm compared to the Nikon 85mm f1.8G'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. Nikon 85mm f1.8G weighs 350g, 94% (5550g) lighter than the Nikon 600mm f4D ED-IF II's weight of 5900g.
Filter Threads
The Nikon 600mm f4D ED-IF II has a filter size of 52mm whereas the Nikon 85mm f1.8G 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 52mm filters that we recommend you to consider for the Nikon 600mm f4D ED-IF II:
And these are the 67mm filters that we recommend for the Nikon 85mm f1.8G:
Lens Mounts
Both the Nikon 600mm f4D ED-IF II and the Nikon 85mm f1.8G 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.
Focal Range
Nikon 600mm f4D ED-IF II is a prime lens with fixed focal lenght of 600mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
900mm.
On the other hand, the Nikon 85mm f1.8G 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.