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Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C KAF3 Mount Review

Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C

Main Features

  • 18-200mm Focal Range
  • F3.5 - F6.3 Max Aperture
  • Image Stabilization
  • Filter Thread: 62mm
  • Max Format: APS-C / DX
  • Pentax KAF3 Mount
  • Weight: 430g / 0.95 lb
  • Dimensions(øxL): 71mm x 86mm
  • Min Focus Distance: 0.39m
  • Max Magnification: 0.33x
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Sigma 18-200mm F3.5-6.3 DC OS HSM C Overview


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 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/WildlifeAverage
SportsGood
PortraitGood
TravelExcellent
StreetGood
WeddingGood
Walk AroundVery Good
VloggingGood
LandscapeGood
MacroAverage

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.

PROs
Optical Image Stabilization
Autofocus
Distance Scale
Zoom Lock
Versatile Lens with a Zoom Ratio of 11x
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CONs
Lens Extends 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 a 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.


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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. Below are links to the filters that we recommend you to consider for your Sigma 18-200mm F3.5-6.3 DC OS HSM C:

  • 62mm Variable ND Lens Filters
  • 62mm Circular Polarizer Lens Filters
  • 62mm Clear Protection Lens Filters




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

The 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

Popular Comparisons of Sigma 18-200mm F3.5-6.3 DC OS HSM C

Here are the eight most popular comparisons of the Sigma 18-200mm F3.5-6.3 DC OS HSM C amongst Camera Decision readers.

Top Alternatives of Sigma 18-200mm F3.5-6.3 DC OS HSM C Lens
Model Coverage Weight Focusing Street Price
Pentax smc DA 18-250mm F3.5-6.3 Lens Pentax smc DA 18-250mm F3.5-6.3
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APS-C / DX 455 g / 1.00 lb AF Amazon B&H Photo
Pentax smc DA 50-200mm F4-5.6 ED WR Lens Pentax smc DA 50-200mm F4-5.6 ED WR
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APS-C / DX 285 g / 0.63 lb AF Amazon B&H Photo
Sigma 18-250mm F3.5-6.3 DC OS HSM Lens Sigma 18-250mm F3.5-6.3 DC OS HSM
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APS-C / DX 628 g / 1.38 lb AF Amazon B&H Photo
Sigma 18-200mm F3.5-6.3 DC Lens Sigma 18-200mm F3.5-6.3 DC
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APS-C / DX 405 g / 0.89 lb AF Amazon B&H Photo
Sigma 18-125mm F3.8-5.6 DC HSM Lens Sigma 18-125mm F3.8-5.6 DC HSM
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APS-C / DX 490 g / 1.08 lb AF Amazon B&H Photo
Tamron AF 18-200mm F3.5-6.3 XR Di II LD Aspherical IF Macro Lens Tamron AF 18-200mm F3.5-6.3 XR Di II LD Aspherical IF Macro
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APS-C / DX 398 g / 0.88 lb AF Amazon B&H Photo
Sigma 18-250mm F3.5-6.3 DC Macro OS HSM Lens Sigma 18-250mm F3.5-6.3 DC Macro OS HSM
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APS-C / DX 470 g / 1.03 lb AF Amazon B&H Photo
Sigma 50-500mm F4.5-6.3 DG OS HSM Lens Sigma 50-500mm F4.5-6.3 DG OS HSM
Compare
35mm FF 1,970 g / 4.33 lb AF Amazon B&H Photo


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.

Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C Alternatives in Pentax KAF3 Mount
Model Coverage Weight Focusing Street Price
Sigma 18-250mm F3.5-6.3 DC Macro OS HSM Lens Sigma 18-250mm F3.5-6.3 DC Macro OS HSM
Compare
APS-C / DX 470 g / 1.03 lb AF Amazon B&H Photo
Sigma 18-250mm F3.5-6.3 DC OS HSM Lens Sigma 18-250mm F3.5-6.3 DC OS HSM
Compare
APS-C / DX 628 g / 1.38 lb AF Amazon B&H Photo

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Sigma 18-200mm F3.5-6.3 DC OS HSM C Detailed Specifications


General
Brand Sigma
Lens Type Zoom
Lens Type SuperZoom
Lens Mount Pentax KAF3
Max Format APS-C / DX
Focal Range 18-200mm
Image Stabilization Yes
Colour Unknown
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock Yes
Zoom Ratio 11.1X
APERTURE
Max Aperture F3.5 - F6.3
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 16
Optical Groups 13
Special Elements SLD glass elements, Double-sided aspheric lenses

FOCUSING
Min Focus Distance 0.39m
Max Magnification 0.33X
Autofocus Yes
AF Motor Type Ultrasonic
Focus Method Internal
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 430g
Diameter 71mm
Length 86mm
Weather Sealing Unknown
Filter Thread 62mm
Filter Notes -
Tripod Collar No
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Frequently Asked Questions about Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C
is the Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C a Weather-sealed lens?
What is the Minimum Focusing Distance of Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C
is the Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C
Does Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C have Image Stabilization?
Does Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 18-200mm F3.5-6.3 DC Macro OS HSM C


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