The Sigma 18-200mm f/3.5-6.3 DC OS (Optical Stabilizer) lens is an all-in-one telephoto zoom lens that offers the equivalent focal range of approx. 29-320mm when used with a Canon digital SLR camera. The lens is perfect for low light photography, since it adopts the OS (Optical Stabilizer) system that minimizes image blur caused by camera shake. This super-zoom lens also has the equivalent of shooting at a shutter speed 2-3 stops faster. The Sigma 18-200mm f/3.5-6.3 DC OS lens for Canon and Nikon DSLRs is priced at $399 each.

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The latest firmware update for the Sigma SD1 DSLR camera is now available for download. The firmware update version 1.03 improves

- Accuracy of Auto White Balance.
- Accuracy of evaluative exposure metering.
- Accuracy of flashgun light control.
- Image quality at high ISO 3200 and ISO 6400 (only RAW file).
- Sharpness processing (only RAW file).
- Various bugs have been corrected to achieve more stable operation.

This firmware update should be applied to any SD1 camera that has firmware “Ver.1.02″ and lower. You can download the firmware software right here. [Sigma]

The new Sigma 200-500mm f/2.8 APO EX DG ultra-telephoto zoom lens for Nikon DSLR cameras is now available for purchase via Amazon. Priced at $25,999, the lens is ideal for astrophotography, portraits, wildlife, and sports. This ultra-telephoto zoom lens produces high-quality photos thanks to the SLD (Special Low Dispersion) glass and three ELD (Extraordinary Low Dispersion) glass elements. There is also a super multi-layer coating that reduces flare and ghosting. The Sigma 200-500mm f/2.8 APO EX DG uses a Li-ion battery BP-21 to power the zooming and AF operations. [Amazon]

Sigma has issued the firmware update version 1.02 for the Sigma SD1 digital SLR camera. The new firmware update corrects various bugs to achieve more stable operation and improves image quality at high sensitivity (ISO 3200, ISO 6400) for raw image files. Additionally, this firmware update also corrects the phenomenon of camera freeze when in Custom White Balance Mode. Sigma SD1 owners are able to download the firmware update version 1.02 here. [Sigma]

Sigma has rolled out new firmware upgrades for the Sigma DP1x and DP2x large-sensor compact cameras. The firmware update version 1.02 for the Sigma DP1x addresses the following:

- Capture priority mode is incorporated
- RAW+JPEG simultaneous recording is incorporated
- High AF speed is enhanced
- Functions related to focus frame is enhanced
- Image quality of the LCD monitor is improved
- Enlarge Display function when in AF is added
- Switching focus mode order is changed to enhance the integration with the DP2x
- A phenomenon which produced noise under certain conditions is fixed

The firmware update version 1.01 for the DP2x brings the following improvements:

- RAW+JPEG simultaneous recording is incorporated
- Functions related to focus frame is enhanced
- A phenomenon which produced noise under certain conditions is fixed

Click these links to download both firmware updates.
The Sigma DP1x firmware update version 1.02.
The Sigma DP2x firmware update version 1.01.

B&H Photo has started taking pre-orders for the Sigma DP2x. The camera features a 14-megapixel FOVEON X3 direct image sensor (2,652 x 1,768 x 3 layers) and has an Analog Front End (AFE) as well as a high-speed auto focus. The AFE converts full color data captured with the FOVEON X3 into digital signal, allowing for the reproduction of high-definition ad richly colored images. The Sigma DP2x also has the ability to capture RAW images and a host of customizable controls. [Product Page]