Pentax DA645 28-45mm F4.5ED is a Fixed aperture Auto Focus (AF) Wideangle Prime
lens with Optical Image stabilization and 645 max sensor coverage, and it is designed to be used with Pentax 645AF2 mount cameras.
What type of photography is the Pentax DA645 28-45mm F4.5ED lens good for?
The type of photography that you are planning to use the Pentax DA645 28-45mm F4.5ED is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy HD Pentax-DA645 28-45mm F4.5ED AW SR Lens
Here, we've included a summary of the advantages and disadvantages of the HD Pentax-DA645 28-45mm F4.5ED AW SR lens in a list form to help you determine whether it offers the features you need.
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| Optical Image Stabilization
| Weather Sealed
| Distance Scale
| Hood supplied
| Full-time Manual Focusing
| Internal Focusing
|9 Diaphragm Blades
Buy Pentax DA645 28-45mm F4.5ED from Amazon or B&H PHOTO
Pentax DA645 28-45mm F4.5ED 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 Pentax 645Z, Pentax 645D and .
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Pentax DA645 28-45mm F4.5ED has a maximum diameter of 99mm and total length of 152mm. It weighs 1470g / 51.9 oz.
Pentax DA645 28-45mm F4.5ED has a filter thread of 82mm.
Pentax DA645 28-45mm F4.5ED has a fixed focal lenght of 28-45mm.
Pentax DA645 28-45mm F4.5ED is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Pentax DA645 28-45mm F4.5ED with a weather sealed camera body such as Pentax 645Z, Pentax 645D and .
Optical Image Stabilization
Pentax DA645 28-45mm F4.5ED features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Pentax DA645 28-45mm F4.5ED features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Pentax DA645 28-45mm F4.5ED has a Max Magnification Ratio of 0.21x and has a minimum focusing distance of 0.4m.
Pentax DA645 28-45mm F4.5ED has a max aperture of F4.5.
Pentax DA645 28-45mm F4.5ED's optical formula consists of 17 elements in 12 groups . Following special elements are used in this design:
Pentax DA645 28-45mm F4.5ED comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is 38709.
Pentax DA645 28-45mm F4.5ED is available in Black color.
Popular Comparisons of Pentax DA645 28-45mm F4.5ED
Here is the eight most popular comparisons of Pentax DA645 28-45mm F4.5ED amongst Camera Decision readers.