HORSEMAN > SWD II Pro

		Horseman SW-D II Pro is a super-wide camera developed for exclusive use with digital camera backs. The camera becomes compatible with camera backs offered by various makers for use with Hasselblad, Mamiya or Contax cameras by simply interchanging adapter plates. The adapter plate attachment mechanism is designed accept a plate from four different directions. Lateral and vertical positions can be changed promptly while maintaining the same camera position, for speedy camera work.

		A focusing glass frame offered by Hasselblad (for SW-C and Flex Body) can be used by attaching it on the Hasselblad V mount for precise focusing and framing. * Focusing glass (Hasselblad V) * Live focusing

		The lock-knob for camera movements and the adapter plate knob are large enough to ensure accurate and prompt control work, and scales for reading camera movements are placed on both sides of the rear of the body for good visibility.

		Horseman SW-D II Pro employs spirit levels for two directions independently to allow accurate confirmation of horizontal and vertical camera positions. When the viewfinder is in use, the horizontal position can be confirmed while watching the subject through the viewfinder.

		Horseman SW-D II Pro accepts a bright viewfinder that allows easier framing. Also, it becomes compatible with all lenses by simply changing viewfinder masks.

Horseman SW-D II Pro is equipped with camera movement mechanisms for rise, fall and lateral shift to the right or left. All camera movements are performed by changing positions of the camera back. Rise/fall movements can be made by shifting the position of the camera back vertically by 17mm upward or 17mm downward (maximum 34mm), or by shifting horizontally by 17mm to the right or left (maximum 34mm). Thanks to these ample shift amounts, perspective control is easier and effective in architectural and interior photography. In addition, stitching of digital images is made possible by utilizing the camera movement functions.

Stitching is a photographic technique that expands wide-angle capabilities of lenses or enhances the sensor resolution as if one built in the digital back is a larger sensor. Stitching is an important technique in digital photography. With Horseman SW-D II Pro, since the camera back is moved instead of the lens portion, precise stitching is easier. When the camera movement function that allows movements in four directions is used and multiple images are stitched, you can have an image plane that virtually measures maximum 70 x 82mm.

The 23mm lens unit in combination with a 38 x 48mm image sensor gives you the same wide angle as a 17mm lens with the 35mm format. You will find this super wide angle especially useful in interior architecture and landscape photography, but other applications abound.

The Horseman SW-D II Pro lens units come quipped with German Schneider and Rodenstock digital lenses. The shortest focal length, the Rodenstock HR Digaron-S 23mm, is one of five available lens units that include Schneider Apo-Digitar XL24 and Rodenstock Apo-Sironar digital lenses of 35, 45 and 55mm focal lengths. What's more, Horseman SW series (originally for film cameras) lenses can also be used.

• Equivalent Focal length to 35mm format

Image sensor Lens Unit 23/24mm Lens Unit 35mm Lens Unit 45mm Lens Unit 55mm 24 x 36mm 24mm 35mm 45mm 55mm 36 x 36mm 20mm 30mm 38mm 47mm 36 x 48mm 17mm 25mm 32mm 40mm

	Lens	Lens construction	Image Circle	Closest Focusing Distance	Filter Diameter	Weight
21386 SW-D 23mm Lens Unit	Digaron-S 23mm F5.6	11 : 15	70mmφ	0.5m	72mm	760g
21385 SW-D 24mm Lens Unit	Apo-Digitar 24mm F5.6	4 : 8	60mmφ	0.4m	52mm	350g
21382 SW-D 35mm Lens Unit	Apo-Sironar digital 35mm F4.5	4 : 8	105mmφ	0.3m	67mm	460g
21383 SW-D 45mm Lens Unit	Apo-Sironar digital 45mm F4.5	4 : 8	125mmφ	0.4m	67mm	520g
21384 SW-D 55mm Lens Unit	Apo-Sironar digital 55mm F4.5	4 : 8	125mmφ	0.6m	67mm	570g
*Maximum displacement is limited by the size of the image sensor used.

What Is A "Digital Lens" ?

Digital photography -- as opposed to conventional film or "chemical' processes, makes its own demands on the camera lens. A lens optimized for digital should fulfill these conditions:

The image circle can be smaller, but inside that circle optical resolution and contrast should be as high as possible. In conventional large format cameras, optical resolution was considered good if it resulted in about 20 lines per millimeter. In view of the high resolution of today's digital sensors, lens resolution should be several times higher, up to 100 lines per mm. Resolution of the digital image drops visibly at stopped-down apertures (f-stops). For digital photography, a lens should be designed to provide optimum MTF at relatively wide apertures.

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