2008 Photokina Tradeshow
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The following is an unedited press release, shown as received from the company represented. We've elected to present selected releases without editorial comment, as a way to provide our readers more information without further overtaxing our limited editorial resources. To avoid any possible confusion or conflict of interest, the Imaging Resource will always clearly distinguish between company-provided press releases and our own editorial views and content.

Sigma's 4.5mm F2.8 EX DC Circular Fisheye lens. Courtesy of Sigma, with modifications by Michael R. Tomkins. PRESS RELEASE: Announcement of two new fisheye lenses for Sony and Pentax fittings


4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM
10mm F2.8 EX DC FISHEYE HSM

The Sigma Corporation is pleased to announce the launch of the 4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM the first Circular Fisheye lens exclusively for use with APS-C size digital SLR cameras and 10mm F2.8 EX DC FISHEYE HSM diagonal fisheye lens exclusively for use with APS-C size digital SLR cameras for Sony and Pentax fitting cameras.

The first Circular Fisheye Lens exclusively for use with APS-C size digital SLR cameras
This autofocus circular fisheye lens has an angle of view of 180 degrees in all directions. It is exclusively designed for digital SLR cameras with the APS-C size image sensor. When used in conjunction with digital SLRs with APS-C size image sensor, it produces circular image within the frame. The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1:6 make it particularly useful for close-up photography. SLD (Special Low Dispersion) glass, Super Multi Layer Coating and inner focusing system provides superior image quality. HSM ensures fast and quiet autofocusing and includes full-time manual focus.
*AF will not function if the camera bodies do not support Supersonic Direct-drive Motor or Super Sonic Motor.

4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM
For Sony and Pentax
(Specifications for Sony mount)
Lens Construction 13 Elements 9 Groups
Maximum Magnification 1 : 6
Angle of view 180 degrees
Filter Insertion-type gelatin filter into rear of the lens
Number of blades 6pcs
Minimum aperture F22
Dimensions φ76.2mm×77.2mm / 3in x 3.0in
Minimum Focusing Distance 13.5cm / 5.3in
Weight 480g / 16.9oz
.

Fisheye lens with close up ability designed exclusively for use with APS-C size digital SLR camera
This diagonal fisheye lens is designed for use with digital SLR cameras equipped with an APS-C size image sensor. It produces a diagonal angle of view of 180 degrees. The diagonal field of view of this fisheye lens produces striking images with exaggerated perspective and distortion. This lens has a minimum focusing distance of 13.5cm/5.3inch, and maximum magnification 1:3.3. It allows subjects to be as close as 1.8cm/0.7inch from the lens’ front element. The exclusively designed integral hood and the Super Multi-Layer Coating minimize flare and ghosting and create superior image quality.
*AF will not function if the camera bodies do not support Supersonic Direct-drive Motor or Super Sonic Motor.

10mm F2.8 EX DC FISHEYE HSM
For Sony and Pentax
(Specifications for Sony mount)
Lens Construction 12 Elements 7 Groups
Maximum Magnification 1 : 3.3
Angle of view 180 degrees
Filter Insertion-type gelatin filter into rear of the lens
Number of blades 7pcs
Minimum aperture F22
Dimensions φ75.8mm×82.6m / 3in x 3.3in
Minimum Focusing Distance 13.5cm / 5.3in
Weight 500g / 17.6oz
.


(First posted on Tuesday, September 23, 2008 at 02:01 EDT)

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1 $300 Adorama Gift Certificate

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3 $100 Adorama Gift Certificate