The type of photography that you are planning to use is an important decision factor. Here we have evaluated the OM System 40-150mm F4.0 PRO and the Pentax 02 Standard Zoom 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. OM System 40-150mm F4.0 PRO is the longer of the two lenses at 99mm. The Pentax 02 Standard Zoom with a length of 48mm, is 51mm shorter. Besides being longer, the OM System 40-150mm F4.0 PRO also has a larger diameter of 69mm compared to the Pentax 02 Standard Zoom's 49mm 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 02 Standard Zoom weighs 96g, 74% (286g) lighter than the OM System 40-150mm F4.0 PRO's weight of 382g.
Filter Threads
The OM System 40-150mm F4.0 PRO has a filter size of 62mm whereas the Pentax 02 Standard Zoom has a 41mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the OM System 40-150mm F4.0 PRO:
And these are the 41mm filters that we recommend for the Pentax 02 Standard Zoom:
Lens Mounts
The OM System 40-150mm F4.0 PRO has the Micro Four Thirds lens mount whereas the Pentax 02 Standard Zoom has the Pentax Q lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and , and for the Pentax Q Mount.
Focal Range
OM System 40-150mm F4.0 PRO has a focal range of 40-150mm and
3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
80-300mm when used on a FourThirds format camera.
On the other hand, the Pentax 02 Standard Zoom has a focal range of 5-15mm and 3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 22.75-68.25mm when used on a 1/1.7" format camera.
