Pentax D FA 645 55mm F2.8 is a Fixed aperture Auto Focus (AF)
Standard Prime lens with 645 max sensor coverage, and it is designed to be used with
645AF2 Mount cameras.
What type of photography is the Pentax D FA 645 55mm F2.8 lens good for?
The choice of photography type for which you intend to use the Pentax D FA 645 55mm F2.8 is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Pentax smc D FA 645 55mm F2.8 AL IF SDM AW Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc D FA 645 55mm F2.8 AL IF SDM AW lens in a list form to assist you in determining whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Full-time Manual Focusing |
| 9 Diaphragm Blades for Smooth Bokeh |
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Lens Mount
Pentax D FA 645 55mm F2.8 is compatible with cameras that have a 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
The size and weight are crucial factors to consider when searching for your next lens. Pentax D FA 645 55mm F2.8 has a maximum diameter of 81mm and a total length of 68mm. It weighs 416g / 14.7 oz.
Pentax D FA 645 55mm F2.8 has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Pentax D FA 645 55mm F2.8:
You can also check All Pentax 645AF2 Mount Lenses with 67mm Filter Thread Size to find the matching lenses.
Focal Range
Pentax D FA 645 55mm F2.8 has a fixed focal length of 55mm.
Weather Sealings
The Pentax D FA 645 55mm F2.8 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 D FA 645 55mm F2.8 with a weather-sealed camera body such as the Pentax 645Z, Pentax 645D and .
Optical Image Stabilization
Pentax D FA 645 55mm F2.8 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).
Maximum Magnification Ratio
Pentax D FA 645 55mm F2.8 has a Max Magnification Ratio of 0.17x with a minimum focusing distance of 0.5m. 0.17x ratio is quite low, making this lens unsuitable even for modest close-up photography.
Aperture
The Pentax smc D FA 645 55mm F2.8 AL IF SDM AW features a maximum aperture of F2.8 and can be stopped down to a minimum aperture of F22. An aperture of F2.8 provides a solid balance, offering capable low-light performance and giving you plenty of flexibility when shooting indoors or during golden hour. At 55mm, this lens provides a natural perspective, and opening up to F2.8 offers clean background separation for typical everyday shooting. The minimum setting of F22 is excellent for deep depth of field work like macro photography, though you may want to avoid the absolute smallest settings to skip the sharpness loss caused by optical diffraction.
Optical Formula
Pentax D FA 645 55mm F2.8's optical formula consists of 9 elements in 7 groups .
Lens Hood
Pentax D FA 645 55mm F2.8 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 PH-RBN.
Body Colour
Pentax D FA 645 55mm F2.8 is available in Black color.
Popular Comparisons of Pentax D FA 645 55mm F2.8
Here are the 8 most popular comparisons of the Pentax D FA 645 55mm F2.8 amongst Camera Decision readers.
Top Alternatives of Pentax D FA 645 55mm F2.8 Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Pentax smc D FA 645 55mm F2.8 AL IF SDM AW.
Top Alternatives of Pentax D FA 645 55mm F2.8 in Other Lens Mounts
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