Pentax 16-45mm F4 ED AL 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 Pentax 645AF2 mount cameras.
What type of photography is the Pentax 16-45mm F4 ED AL lens good for?
The type of photography that you are planning to use the Pentax 16-45mm F4 ED AL is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
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Reasons to Buy Pentax smc DA 16-45mm F4 ED AL Lens
Here, we've included a summary of the advantages and disadvantages of the Pentax smc DA 16-45mm F4 ED AL 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
| Full-time Manual Focusing
| Fast Aperture at Tele end
| Constant f4 aperture throughout the range
| Minimum focus distance of 0.28m / 11.0 inch
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| Lens Extents while zooming
Pentax 16-45mm F4 ED AL is compatible with cameras that have Pentax 645AF2 lens mount. Some of the latest released cameras that are compatible with the Pentax 645AF2 lenses are , and .
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax 16-45mm F4 ED AL has a maximum diameter of 72mm and total length of 92mm when not extended . It weighs 356g / 12.6 oz.
Pentax 16-45mm F4 ED AL has a filter thread of 67mm.
Pentax 16-45mm F4 ED AL has a focal range of 16-45mm and 2.8X zoom ratio which has a 35mm equivalent focal range of 24-67.5mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Pentax 16-45mm F4 ED AL 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).
Pentax 16-45mm F4 ED AL 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 16-45mm F4 ED AL has a Max Magnification Ratio of 0.25x and has a minimum focusing distance of 0.28m. For a non-macro lens, the 0.25x is considered a high magnification and will come handy for close-up shots.
Pentax 16-45mm F4 ED AL is a fixed aperture lens with a constant max aperture of f4 from 16mm all the way to the 45mm .
Pentax 16-45mm F4 ED AL's optical formula consists of 13 elements in 10 groups . Following special elements are used in this design:
- 1 ED glass element
- 2 aspherical elements
Pentax 16-45mm F4 ED AL 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-RBL.
Pentax 16-45mm F4 ED AL is available in Black color.
Popular Comparisons of Pentax 16-45mm F4 ED AL
Here is the eight most popular comparisons of Pentax 16-45mm F4 ED AL amongst Camera Decision readers.