Pentax 18-270mm F3.5-6.3 ED SDM 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
KAF Mount cameras.
What type of photography is the Pentax 18-270mm F3.5-6.3 ED SDM lens good for?
The choice of photography type for which you intend to use the Pentax 18-270mm F3.5-6.3 ED SDM is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Pentax smc DA 18-270mm F3.5-6.3 ED SDM Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc DA 18-270mm F3.5-6.3 ED SDM lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Versatile Lens with a Zoom Ratio of 15x |
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| Lens Extends while zooming |
| Slow Aperture at Tele end |
| Variable Aperture |
Lens Mount
Pentax 18-270mm F3.5-6.3 ED SDM is compatible with cameras that have a Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Pentax 18-270mm F3.5-6.3 ED SDM has a maximum diameter of 76mm and a total length of 89mm when not extended. It weighs 453g / 16.0 oz.
Pentax 18-270mm F3.5-6.3 ED SDM has a filter thread of 62mm. Below are links to the filters that we recommend you to consider for your Pentax 18-270mm F3.5-6.3 ED SDM:
You can also check All Pentax KAF Mount Lenses with 62mm Filter Thread Size to find the matching lenses.
Focal Range
Pentax 18-270mm F3.5-6.3 ED SDM has a focal range of 18-270mm and 15.0X zoom ratio which has a 35mm equivalent focal range of 27-405mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Pentax 18-270mm F3.5-6.3 ED SDM 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 18-270mm F3.5-6.3 ED SDM With Optical Image Stabilization
Zoom Method
Pentax 18-270mm F3.5-6.3 ED SDM 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 18-270mm F3.5-6.3 ED SDM has a Max Magnification Ratio of 0.26x with a minimum focusing distance of 0.49m. For a non-macro lens, the 0.26x is considered a high magnification and will come handy for close-up shots.
Below are the 3 Super Telephoto Zoom type Pentax KAF mount lens alternatives with highest max magnification ratios:
Aperture
Pentax 18-270mm F3.5-6.3 ED SDM 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 270mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
18mm
|
F3.5 |
F22 |
|
270mm
|
F6.3 |
F45 |
Optical Formula
Pentax 18-270mm F3.5-6.3 ED SDM's optical formula consists of 16 elements in 13 groups .
Lens Hood
Pentax 18-270mm F3.5-6.3 ED SDM comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Pentax 18-270mm F3.5-6.3 ED SDM is available in Black color.
Popular Comparisons of Pentax 18-270mm F3.5-6.3 ED SDM
Here are the 8 most popular comparisons of the Pentax 18-270mm F3.5-6.3 ED SDM amongst Camera Decision readers.
Top Alternatives of Pentax 18-270mm F3.5-6.3 ED SDM Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Pentax smc DA 18-270mm F3.5-6.3 ED SDM.
Top Alternatives of Pentax 18-270mm F3.5-6.3 ED SDM in Other Lens Mounts
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