Pentax FA 70-210mm F4 ED SDM WR is a Fixed aperture Auto Focus (AF)
Super Telephoto Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with
KAF4 Mount cameras.
What type of photography is the Pentax FA 70-210mm F4 ED SDM WR lens good for?
The type of photography that you are planning to use the Pentax FA 70-210mm F4 ED SDM WR is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy Pentax FA 70-210mm F4 ED SDM WR Lens
Here we've included a summary of the advantages and disadvantages of the Pentax FA 70-210mm F4 ED SDM WR lens in a list form to help you determine whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Distance Scale |
| Hood supplied |
| Full-time Manual Focusing |
| Focus Distance Limiter |
| Fast Aperture at Tele end |
| Constant f4 aperture throughout the range |
| 9 Diaphragm Blades for Smooth Bokeh |
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| Lens Extends while zooming |
| Pricey |
Lens Mount
Pentax FA 70-210mm F4 ED SDM WR is compatible with cameras that have a Pentax KAF4 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF4 lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.
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Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax FA 70-210mm F4 ED SDM WR has a maximum diameter of 79mm and total length of 175mm when not extended. It weighs 819g / 28.9 oz.
Pentax FA 70-210mm F4 ED SDM WR has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Pentax FA 70-210mm F4 ED SDM WR:
Focal Range
Pentax FA 70-210mm F4 ED SDM WR has a focal range of 70-210mm and 3.0X zoom ratio which has a 35mm equivalent focal range of 105-315mm when used on a APS-C / DX format camera.
Weather Sealings
The Pentax FA 70-210mm F4 ED SDM WR 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 FA 70-210mm F4 ED SDM WR with a weather-sealed camera body such as the Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.
Zoom Method
Pentax FA 70-210mm F4 ED SDM WR 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 FA 70-210mm F4 ED SDM WR has a Max Magnification Ratio of 0.32x and has a minimum focusing distance of 0.95m. For a non-macro lens, the 0.32x 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 FA 70-210mm F4 ED SDM WR is a fixed aperture lens with a constant max aperture of f4 from 70mm all the way to the 210mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
70mm
|
F4 |
F32 |
|
210mm
|
F4 |
F32 |
Optical Formula
Pentax FA 70-210mm F4 ED SDM WR's optical formula consists of 20 elements in 14 groups . Following special elements are used in this design:
- 2 anomalous dispersion
- 3 ED elements + HD coating
Lens Hood
Pentax FA 70-210mm F4 ED SDM WR comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Body Colour
Pentax FA 70-210mm F4 ED SDM WR is available in Black color.
Popular Comparisons of Pentax FA 70-210mm F4 ED SDM WR
Here are the eight most popular comparisons of the Pentax FA 70-210mm F4 ED SDM WR amongst Camera Decision readers.
Top Alternatives of Pentax FA 70-210mm F4 ED SDM WR Lens
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