The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Pentax DA 300mm F4.0 ED and the Nikon 300mm f4D ED-IF 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 300mm f4D ED-IF is the longer of the two lenses at 223mm. The Pentax DA 300mm F4.0 ED with a length of 184mm, is 39mm shorter. Besides being longer, the Nikon 300mm f4D ED-IF also has a larger diameter of 90mm compared to the Pentax DA 300mm F4.0 ED's 83mm 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. Pentax DA 300mm F4.0 ED weighs 1070g, which means it is 370g (25%) lighter than the Nikon 300mm f4D ED-IF which has a weight of 1440g.
Filter Threads
Both the Pentax DA 300mm F4.0 ED and the Nikon 300mm f4D ED-IF have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Pentax DA 300mm F4.0 ED has the Pentax KAF2 lens mount whereas the Nikon 300mm f4D ED-IF has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Pentax KAF2 Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Focal Range
Both lenses have the same focal range of
300mm and the fastest aperture of
F4.0.