Pentax DA 300mm F4.0 ED is a Fixed aperture Auto Focus (AF)
Super Telephoto Prime 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 DA 300mm F4.0 ED lens good for?
The choice of photography type for which you intend to use the Pentax DA 300mm F4.0 ED is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Pentax smc DA 300mm F4.0 ED IF SDM Lens
Here we've included a summary of the advantages and disadvantages of the Pentax smc DA 300mm F4.0 ED IF SDM 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 |
| Tripod Collar |
| Full-time Manual Focusing |
| 9 Diaphragm Blades for Smooth Bokeh |
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Lens Mount
Pentax DA 300mm F4.0 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 DA 300mm F4.0 ED has a maximum diameter of 83mm and a total length of 184mm. It weighs 1070g / 37.7 oz.
Pentax DA 300mm F4.0 ED has a filter thread of 77mm. Below are links to the filters that we recommend you to consider for your Pentax DA 300mm F4.0 ED:
You can also check All Pentax KAF Mount Lenses with 77mm Filter Thread Size to find the matching lenses.
Focal Range
Pentax DA 300mm F4.0 ED has a fixed focal length of 300mm which has a 35mm equivalent focal range of 450mm when used on a APS-C / DX format camera.
Weather Sealings
The Pentax DA 300mm F4.0 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 DA 300mm F4.0 ED with a weather-sealed camera body such as the , and .
Tripod Collar
With a total length of 184mm and a weight of 1070g, the Pentax DA 300mm F4.0 ED is a large lens. Fortunately, it comes with a tripod collar which you can use to attach the lens directly to a tripod or monopod instead of attaching the camera. This connection helps to better balance the lens/kit combination.
Optical Image Stabilization
Pentax DA 300mm F4.0 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).
Maximum Magnification Ratio
Pentax DA 300mm F4.0 ED has a Max Magnification Ratio of 0.24x with a minimum focusing distance of 1.4m.
Aperture
The Pentax smc DA 300mm F4.0 ED IF SDM features a maximum aperture of F4 and can be stopped down to a minimum aperture of F32. While a maximum aperture of F4 requires a bit more ambient light or a bump in ISO when shooting indoors, it keeps the physical size of the lens much smaller and easier to carry. At 300mm, this lens provides a natural perspective, and opening up to F4 offers clean background separation for typical everyday shooting. The minimum setting of F32 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 DA 300mm F4.0 ED's optical formula consists of 8 elements in 6 groups .
Lens Hood
Pentax DA 300mm F4.0 ED 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-RBK77.
Body Colour
Pentax DA 300mm F4.0 ED is available in Black color.
Popular Comparisons of Pentax DA 300mm F4.0 ED
Here are the 8 most popular comparisons of the Pentax DA 300mm F4.0 ED amongst Camera Decision readers.
Top Alternatives of Pentax DA 300mm F4.0 ED Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Pentax smc DA 300mm F4.0 ED IF SDM.
Top Alternatives of Pentax DA 300mm F4.0 ED in Other Lens Mounts
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