The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 8-25mm F4 Pro and the Olympus ED 12-40mm f2.8 PRO 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. Olympus ED 8-25mm F4 Pro is the longer of the two lenses at 89mm. The Olympus ED 12-40mm f2.8 PRO with a length of 84mm, is 5mm shorter. Besides being longer, the Olympus ED 8-25mm F4 Pro also has a larger diameter of 77mm compared to the Olympus ED 12-40mm f2.8 PRO's 70mm diameter.
Below you can find a scaled side-by-side image of Olympus ED 8-25mm F4 Pro and Olympus ED 12-40mm f2.8 PRO to get a better idea of how their sizes compare in real life.
Comparison image of the Olympus ED 8-25mm F4 Pro and the Olympus ED 12-40mm f2.8 PRO Size and Weight 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. Olympus ED 12-40mm f2.8 PRO weighs 382g, 7% (29g) lighter than the Olympus ED 8-25mm F4 Pro's weight of 411g.
Filter Threads
The Olympus ED 8-25mm F4 Pro has a filter size of 72mm whereas the Olympus ED 12-40mm f2.8 PRO 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 72mm filters that we recommend you to consider for the Olympus ED 8-25mm F4 Pro:
And these are the 62mm filters that we recommend for the Olympus ED 12-40mm f2.8 PRO:
Lens Mounts
Both the Olympus ED 8-25mm F4 Pro and the Olympus ED 12-40mm f2.8 PRO has the same Micro Four Thirds lens mount . Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 .
Focal Range
Olympus ED 8-25mm F4 Pro has a focal range of 8-25mm and
3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
16-50mm when used on a FourThirds format camera.
On the other hand, the Olympus ED 12-40mm f2.8 PRO has a focal range of 12-40mm and 3.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-80mm when used on a FourThirds format camera.
