Sigma 18-200mm F3.5-6.3 DC OS HSM C is a Variable aperture Auto Focus (AF)
Superzoom Zoom lens with Optical Image stabilization and APS-C / DX max sensor coverage, and it is designed to be used with Pentax KAF3 mount cameras.
What type of photography is the Sigma 18-200mm F3.5-6.3 DC OS HSM C lens good for?
The type of photography that you are planning to use the Sigma 18-200mm F3.5-6.3 DC OS HSM C is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
| Photography Type |
Suitability |
| Bird/Wildlife | Average |
| Sports | Good |
| Portrait | Good |
| Travel | Excellent |
| Street | Good |
| Wedding | Good |
| Walk Around | Very Good |
| Vlogging | Good |
| Landscape | Good |
| Macro | Average |
Reasons to Buy Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C Lens
Here, we've included a summary of the advantages and disadvantages of the Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C lens in a list form to help you determine whether it offers the features you need.
| Optical Image Stabilization |
| Autofocus |
| Distance Scale |
| Zoom Lock |
| Versatile Lens with a Zoom Ratio of 11x |
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| Lens Extents while zooming |
| Slow Aperture at Tele end |
| Variable Aperture |
Lens Mount
Sigma 18-200mm F3.5-6.3 DC OS HSM C is compatible with cameras that have Pentax KAF3 lens mount. Some of the latest released cameras that are compatible with the Pentax KAF3 lenses are , and .
Sigma 18-200mm F3.5-6.3 DC OS HSM C is also available in Canon EF , Nikon F (DX), 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 18-200mm F3.5-6.3 DC OS HSM C has a maximum diameter of 71mm and total length of 86mm when not extended . It weighs 430g / 15.2 oz.
Sigma 18-200mm F3.5-6.3 DC OS HSM C has a filter thread of 62mm.
Focal Range
Sigma 18-200mm F3.5-6.3 DC OS HSM C has a focal range of 18-200mm and 11.1X zoom ratio which has a 35mm equivalent focal range of 27-300mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Sigma 18-200mm F3.5-6.3 DC OS HSM C features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Method
Sigma 18-200mm F3.5-6.3 DC OS HSM C 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.
Zoom Lock
Sigma 18-200mm F3.5-6.3 DC OS HSM C has a Zoom lock feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.
Maximum Magnification Ratio
Sigma 18-200mm F3.5-6.3 DC OS HSM C has a Max Magnification Ratio of 0.33x and has a minimum focusing distance of 0.39m. For a non-macro lens, the 0.33x is considered a high magnification and will come handy for close-up shots.
Aperture
Sigma 18-200mm F3.5-6.3 DC OS HSM C is a variable aperture lens with a max aperture of f3.5 and a minimum aperture of f22 at 18mm, and a max aperture of f6.3 and minimum aperture of f22 at 200mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
18mm
|
F3.5 |
F22 |
|
200mm
|
F6.3 |
F22 |
Optical Formula
Sigma 18-200mm F3.5-6.3 DC OS HSM C's optical formula consists of 16 elements in 13 groups . Following special elements are used in this design:
- SLD glass elements
- Double-sided aspheric lenses
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Popular Comparisons of Sigma 18-200mm F3.5-6.3 DC OS HSM C
Here is the eight most popular comparisons of Sigma 18-200mm F3.5-6.3 DC OS HSM C amongst Camera Decision readers.