Sigma 18-200mm F3.5-6.3 DC Lens Announced

February 14, 2005 | Mark Goldstein | Lenses | 4 Comments |

Sigma 18-200mm F3.5-6.3 DC LensSigma 18-200mm F3.5-6.3 DC lens is announced. Designed for use with digital SLR cameras, the 18-200mm F3.5-6.3 DC lens covers wide-angle to telephoto focal lengths and features an inner focusing system so that the front of the lens does not rotate. The Sigma 18-200mm F3.5-6.3 DC lens is available for Sigma, Canon, Nikon, and Pentax digital SLRs. Price and availability to be confirmed.

Sigma UK Press Release

Compact, Lightweight Superzoom lens with high zoom ratio 1:11

- Exclusively designed for use with digital Single Lens Reflex (SLR) cameras.
- High zoom ratio 1:11
- Compact and Lightweight construction with diameter of 70mm (2.8”), length of 78.1mm (3.1”) and weight of 405g./14.3oz.
- Minimum focusing distance of 45cm (17.7”) at all focal lengths

The Sigma Corporation is pleased to announce the launch of the new 18-200 F3.5-6.3 DC lens.

This high zoom ratio lens is exclusively designed for digital SLR cameras and capable of covering a wide range of focal lengths from wide-angle to telephoto. Two Special Low Dispersion (SLD) glass elements and two hybrid aspherical lenses offer the utmost correction for all types of aberrations, and enable this extended range super zoom lens to be housed in a compact and lightweight construction of 70mm (2.8”) diameter, and 78.1mm (3.1”) in length, and weighing just 405g/14.3oz. The new lens coating reduces flare and ghosting, which is a common problem with digital cameras and also creates an optimum colour balance. This lens has a minimum focusing distance of 45cm (17.7”) at all focal lengths and has maximum magnification of 1:4.4.

The lens design incorporates an inner focusing system, which prevents the front of the lens from rotating, making it particularly suitable for using circular polarising filters and petal shaped lens hoods. The overall length of the lens does not change during focusing, ensuring convenient handling and ease of use. A zoom lock switch eliminates ‘zoom creep’ during transportation, a convenient addition when traveling.

THE SPECIFICATIONS
Focal Length :18-200mm
Minimum Aperture :F22
Lens Construction :15 Elements in 13 Groups
Angle of View :69.3°- 7.1°
Number of Diaphragm Blades :7pcs
Minimum Focusing Distance :45cm (17.7”)
Maximum Magnification :1:4.4
Filter Size :62mm
Lens Hood : Petal Hood
Dimensions :Diameter 70mm (2.8”) x Length 78.1mm (3.1”)
Weight :405gr/14.3oz
Available fittings :Sigma AF
Canon AF
Nikon AF
Pentax AF

l The appearance and specifications are subject to change without notice.
l Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

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4 Comments | Newest Oldest First | Post a Comment

#1 Herman

Can't find a good review or comparison of this product ANYWHERE on the web. Does anyone out there know if a professional review has been done of this product? It certainly is tough buying a product with no knowledge of its quality or performance...

11:00 pm - Monday, September 5, 2005

#2 Herman

Does anyone actually own this very bargain-priced lens? I can't find a single decent (professional) review on the web. What gives? You would think a cheap ultra wide range DSLR lens would be the hot topic in photography circles - considering the astonishing cost and lack of product from the likes of Canon, Nikon, etc.

Anyone out there have a review for this unit? I give it an "excellent" review just to catch someone's attention...

11:07 pm - Monday, September 5, 2005

#3 Amazingly Amazed

Here ya go:

http://www.dcresource.com/forums/showthread.php?p=39942

You would think tht peeps would be all over these lenses talking about them, but apparently, peeps aren't so keen on the "all-in-one" idea, thinking that having to carry separate lenses would give them better images......

I'm not a Pro, so I can highly recommend one of these lenses -
Sigma or Tamron, it's your personal preference. I was in Japan a couple of times over the last year to see my family (I live in the States) and I asked about the differences, and almost all the stores said there is no difference between the two companies.
Personally, I think the Sigmas are built a lot more tougher and feels more solid in the hand. I prefer the zoom ring on the Sigma, as it feels a lot more smoother and not so plasticky and loose like the Tamron.

12:59 am - Tuesday, September 6, 2005

#4 Diosdado

You may check the Camera labs. It is a good website for the review. The link is found below.

http://www.cameralabs.com/reviews/Sigma18200
mm/

1:19 am - Sunday, September 2, 2007