Pentax 18-135mm F3.5-5.6ED is a Variable aperture Auto Focus (AF)
Superzoom Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with
KAF3 Mount cameras.
What type of photography is the Pentax 18-135mm F3.5-5.6ED lens good for?
The type of photography that you are planning to use the Pentax 18-135mm F3.5-5.6ED is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
| Photography Type |
Suitability |
| Bird/Wildlife | Average |
| Sports | Average |
| Portrait | Good |
| Travel | Excellent |
| Street | Good |
| Wedding | Good |
| Walk Around | Very Good |
| Vlogging | Good |
| Landscape | Good |
| Macro | Fair |
Reasons to Buy Pentax smc DA 18-135mm F3.5-5.6ED AL IF DC WR Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc DA 18-135mm F3.5-5.6ED AL IF DC WR lens in a list form to help you determine whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Full-time Manual Focusing |
| Versatile Lens with a Zoom Ratio of 7x |
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| Lens Extents while zooming |
| Slow Aperture at Tele end |
| Variable Aperture |
Lens Mount
Pentax 18-135mm F3.5-5.6ED is compatible with cameras that have a Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF3 lenses are , and .
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax 18-135mm F3.5-5.6ED has a maximum diameter of 73mm and total length of 76mm when not extended. It weighs 405g / 14.3 oz.
Pentax 18-135mm F3.5-5.6ED has a filter thread of 62mm. Below are links to the filters that we recommend you to consider for your Pentax 18-135mm F3.5-5.6ED:
Focal Range
Pentax 18-135mm F3.5-5.6ED has a focal range of 18-135mm and 7.5X zoom ratio which has a 35mm equivalent focal range of 27-202.5mm when used on a APS-C / DX format camera.
Weather Sealings
The Pentax 18-135mm F3.5-5.6ED is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the Pentax 18-135mm F3.5-5.6ED with a weather-sealed camera body such as the , and .
Optical Image Stabilization
Pentax 18-135mm F3.5-5.6ED 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).
Zoom Method
Pentax 18-135mm F3.5-5.6ED 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 18-135mm F3.5-5.6ED has a Max Magnification Ratio of 0.24x and has a minimum focusing distance of 0.4m.
Aperture
Pentax 18-135mm F3.5-5.6ED 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 f5.6 and minimum aperture of f38 at 135mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
18mm
|
F3.5 |
F22 |
|
135mm
|
F5.6 |
F38 |
Optical Formula
Pentax 18-135mm F3.5-5.6ED's optical formula consists of 13 elements in 11 groups . Special elements used in this design is 1 Aspherical element.
Lens Hood
Pentax 18-135mm F3.5-5.6ED comes with a removable petal shaped lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is PH-RBC62.
Body Colour
Pentax 18-135mm F3.5-5.6ED is available in Black color.
Popular Comparisons of Pentax 18-135mm F3.5-5.6ED
Here are the eight most popular comparisons of the Pentax 18-135mm F3.5-5.6ED amongst Camera Decision readers.
Top Alternatives of Pentax 18-135mm F3.5-5.6ED Lens
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