Pentax 18-250mm F3.5-6.3 is a Variable aperture Auto Focus (AF) Super Telephoto Zoom
lens with APS-C / DX max sensor coverage, and it is designed to be used with Pentax KAF mount cameras.
What type of photography is the Pentax 18-250mm F3.5-6.3 lens good for?
The type of photography that you are planning to use the Pentax 18-250mm F3.5-6.3 is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
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Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Reasons to Buy Pentax smc DA 18-250mm F3.5-6.3 Lens
Here, we've included a summary of the advantages and disadvantages of the Pentax smc DA 18-250mm F3.5-6.3 lens in a list form to help you determine whether it offers the features you need.
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| Distance Scale
| DoF(Depth of Field) Scale
| Hood supplied
| Versatile Lens with a Zoom Ratio of 13x
Buy Pentax 18-250mm F3.5-6.3 from Amazon or B&H PHOTO
| Lens Extents while zooming
| Slow Aperture at Tele end
| Variable Aperture
Pentax 18-250mm F3.5-6.3 is compatible with cameras that have Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax KF, Pentax K-3 III and Pentax KP.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax 18-250mm F3.5-6.3 has a maximum diameter of 75mm and total length of 86mm when not extended . It weighs 455g / 16.0 oz.
Pentax 18-250mm F3.5-6.3 has a filter thread of 62mm.
Pentax 18-250mm F3.5-6.3 has a focal range of 18-250mm and 13.9X zoom ratio which has a 35mm equivalent focal range of 27-375mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Pentax 18-250mm F3.5-6.3 doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Sigma 18-300 F3.5-6.3 DC OS HSM in Pentax KAF mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Pentax 18-250mm F3.5-6.3 With Optical Image Stabilization
Pentax 18-250mm F3.5-6.3 features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Pentax 18-250mm F3.5-6.3 has a Max Magnification Ratio of 0.28x and has a minimum focusing distance of 0.45m. For a non-macro lens, the 0.28x is considered a high magnification and will come handy for close-up shots.
Pentax 18-250mm F3.5-6.3 is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 18mm, and a max aperture of f6.3 and minimum aperture of f45 at 250mm .
Pentax 18-250mm F3.5-6.3's optical formula consists of 16 elements in 13 groups .
Pentax 18-250mm F3.5-6.3 comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Pentax 18-250mm F3.5-6.3 is available in Black color.
Popular Comparisons of Pentax 18-250mm F3.5-6.3
Here is the eight most popular comparisons of Pentax 18-250mm F3.5-6.3 amongst Camera Decision readers.