Sigma 70-300mm F4-5.6 DG is a Variable aperture Auto Focus (AF) Telephoto Zoom
lens with 35mm FF max sensor coverage, and it is designed to be used with Pentax KAF mount cameras.
What type of photography is the Sigma 70-300mm F4-5.6 DG lens good for?
The type of photography that you are planning to use the Sigma 70-300mm F4-5.6 DG is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Lenses in Pentax KAF Mount with Same Focal and Aperture Range
Reasons to Buy Sigma 70-300mm F4-5.6 DG Macro Lens
Here, we've included a summary of the advantages and disadvantages of the Sigma 70-300mm F4-5.6 DG Macro 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
| Covers Full-Frame Sensor
|9 Diaphragm Blades
| High Max Magnification ratio of 0.5x
Buy Sigma 70-300mm F4-5.6 DG from Amazon or B&H PHOTO
| No Weather Sealing
| Lens Extents while zooming
| Slow Aperture at Tele end
| Variable Aperture
Sigma 70-300mm F4-5.6 DG is compatible with cameras that have Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax KF, Pentax K-3 III and Pentax K-1 II.
Sigma 70-300mm F4-5.6 DG is also available in Canon EF , Nikon F (FX), Pentax KAF, Sony Alpha, Sigma SA, Canon EF, Nikon F (FX), Sony Alpha and Sigma SA mounts.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Sigma 70-300mm F4-5.6 DG has a maximum diameter of 77mm and total length of 122mm when not extended . It weighs 550g / 19.4 oz.
Sigma 70-300mm F4-5.6 DG has a filter thread of 58mm.
Sigma 70-300mm F4-5.6 DG has a focal range of 70-300mm and 4.3X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 105 - 450mm.
Optical Image Stabilization
Sigma 70-300mm F4-5.6 DG 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).
Alternatively, you can check the Sigma 70-300mm F4-5.6 DG OS in Pentax KAF mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Sigma 70-300mm F4-5.6 DG With Optical Image Stabilization
Sigma 70-300mm F4-5.6 DG 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
Sigma 70-300mm F4-5.6 DG has a Max Magnification Ratio of 0.5x and has a minimum focusing distance of 0.95m. For a non-macro lens, the 0.5x is considered a high magnification and will come handy for close-up shots.
Sigma 70-300mm F4-5.6 DG is a variable aperture lens with a max aperture of f4 and a minimum aperture of f22 at 70mm, and a max aperture of f5.6 and minimum aperture of f32 at 300mm .
Sigma 70-300mm F4-5.6 DG's optical formula consists of 14 elements in 10 groups . Special elements used in this design is 1 SLD glass element.
Sigma 70-300mm F4-5.6 DG comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of Sigma 70-300mm F4-5.6 DG
Here is the eight most popular comparisons of Sigma 70-300mm F4-5.6 DG amongst Camera Decision readers.