Pentax smc 16-50mm F2.8 ED is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with
KAF2 Mount cameras.
What type of photography is the Pentax smc 16-50mm F2.8 ED lens good for?
The choice of photography type for which you intend to use the Pentax smc 16-50mm F2.8 ED is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Pentax smc DA 16-50mm F2.8 ED AL IF SDM Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc DA 16-50mm F2.8 ED AL IF SDM lens in a list form to assist you in determining whether it offers the features you need.
Weather-sealed |
Autofocus |
Distance Scale |
Hood supplied |
Full-time Manual Focusing |
Fast Aperture at Wide end |
Fast Aperture at Tele end |
Constant f2.8 aperture throughout the range |
9 Diaphragm Blades for Smooth Bokeh |
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Lens Extends while zooming |
Lens Mount
Pentax smc 16-50mm F2.8 ED is compatible with cameras that have a Pentax KAF2 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF2 lenses are , and .
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Pentax smc 16-50mm F2.8 ED has a maximum diameter of 84mm and total length of 99mm when not extended. It weighs 565g / 19.9 oz.
Pentax smc 16-50mm F2.8 ED has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Pentax smc 16-50mm F2.8 ED:
Focal Range
Pentax smc 16-50mm F2.8 ED has a focal range of 16-50mm and 3.1X zoom ratio which has a 35mm equivalent focal range of 24-75mm when used on a APS-C / DX format camera.
Weather Sealings
The Pentax smc 16-50mm F2.8 ED 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 smc 16-50mm F2.8 ED with a weather-sealed camera body such as the , and .
Optical Image Stabilization
Pentax smc 16-50mm F2.8 ED 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 smc 16-50mm F2.8 ED 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 smc 16-50mm F2.8 ED has a Max Magnification Ratio of 0.21x and has a minimum focusing distance of 0.3m.
Below are the 2 Standard Zoom type Pentax KAF2 mount lens alternatives with highest max magnification ratios:
Aperture
Pentax smc 16-50mm F2.8 ED is a fixed aperture lens with a constant max aperture of f2.8 from 16mm all the way to the 50mm .
Focal Length |
Max Aperture |
Min Aperture |
16mm
|
F2.8 |
F22 |
50mm
|
F2.8 |
F22 |
Optical Formula
Pentax smc 16-50mm F2.8 ED's optical formula consists of 15 elements in 12 groups . Following special elements are used in this design:
- 2 ED elements
- 3 aspherical elements
Lens Hood
Pentax smc 16-50mm F2.8 ED comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of Pentax smc 16-50mm F2.8 ED
Here are the eight most popular comparisons of the Pentax smc 16-50mm F2.8 ED amongst Camera Decision readers.
Top Alternatives of Pentax smc 16-50mm F2.8 ED Lens
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