Following last September's announcement of new 50 megapixel and 60 megapixel H4D medium format cameras, Hasselblad has now announced the immediate availability of the H4D-40 DSLR camera system. The 40 of course signifies the number of megapixels, but the camera also benefits from up to four minute exposure times, faster capture rates and higher ISO ratings as well as an improved auto focus mechanism.
The 35mm equivalent, 40MP (7304×5478) professional digital SLR system has a huge 33 x 44mm CCD sensor which gives it "almost twice the capture area of the largest 35mm DSLR sensors", comes complete with 80mm lens and viewfinder and records images in a proprietary 3FR lossless compressed RAW as well as 8 bit TIFF format. Modular in design, there's a choice of three interchangeable viewfinders, a host of lenses and a range of accessories available.
Auto Focus Improvements
The H4D system includes a technology called True Focus which, Hasselblad claims, has solved problems often associated with accurate focus across the whole image when working with shallow depth-of-field at close range by using "modern yaw rate sensor technology to measure angular velocity in an innovative way. The result is the new Absolute Position Lock (APL) processor, which forms the foundation of Hasselblad’s True Focus feature."
Said to have been many years in development, the APL system uses advanced positional algorithms to accurately log any camera movement during recomposition of shots and then issues commands to the lens motor to ensure precise focus. Hasselblad claims that further interrogation of data supplied by the HC/HCD lenses by the camera's firmware offers additional focus perfection and that the system does all this without causing any shutter lag.
Digital lens correction complements the system by removing any trace of distortion, vignetting, or chromatic aberrations from an image and the Hasselblad Natural Color Solution (HNCS) is claimed to "produce outstanding and reliable out-of-the-box colors, with skin tones, specific product colors and other difficult tones reproduced easily and effectively."
Exposure times range from 1/800 second right up to four minutes and ISO from 100 to 1600. Shots are stored on a CF card type U-DMA such the SanDisk's Extreme IV, a 4Gb card holding about 75 images. Images can be transferred to a computer's hard drive via the FireWire 800 port. Previewing and in-camera image manipulation is taken care of on the generous 3-inch, 230,400 pixel color display to the rear and off-camera tweaking via the supplied Phocus 2.0 software, which is compatible with both Mac and Windows. And power is provided by a rechargeable Li-ion battery.
Pricing and availability
Hasselblad is busy arranging a series of dealer demonstrations throughout the US, Europe and Asia but the H4D-40 camera system is available now, prices starting at US$19,995/GBP 12,995/Euro 13,995. The product page is not live at the time of writing, those interested in further details should therefore keep an eye on Hasselblad.com for updates.
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