The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 24-200mm F4-6.3 and the Pentax 18-135mm F3.5-5.6ED 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 Z 24-200mm F4-6.3 is the longer of the two lenses at 114mm. The Pentax 18-135mm F3.5-5.6ED with a length of 76mm, is 38mm shorter. Besides being longer, the Nikon Z 24-200mm F4-6.3 also has a larger diameter of 77mm compared to the Pentax 18-135mm F3.5-5.6ED's 73mm 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 18-135mm F3.5-5.6ED weighs 405g, 28% (165g) lighter than the Nikon Z 24-200mm F4-6.3's weight of 570g.
Filter Threads
The Nikon Z 24-200mm F4-6.3 has a filter size of 67mm whereas the Pentax 18-135mm F3.5-5.6ED has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Nikon Z 24-200mm F4-6.3:
And these are the 62mm filters that we recommend for the Pentax 18-135mm F3.5-5.6ED:
Lens Mounts
The Nikon Z 24-200mm F4-6.3 has the Nikon Z lens mount whereas the Pentax 18-135mm F3.5-5.6ED has the Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and , and for the Pentax KAF3 Mount.
Focal Range
Nikon Z 24-200mm F4-6.3 has a focal range of 24-200mm and
8.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 300mm.
On the other hand, the Pentax 18-135mm F3.5-5.6ED has a focal range of 18-135mm and 7.5X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-202.5mm when used on a APS-C / DX format camera.
