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Rodenstock HR Digaron W Without Shutter 40mm Lens

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Category: Photography-Lenses-Large-Format-Lenses, rodenstock, Valuable Extra: Lens Valuable Extras Package

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The Rodenstock 40mm f/4 HR Digaron-W Lens is a wide angle lens specifically designed for use with digital backs, which require a smaller image circle with extreme resolution, color correction, and maximum performance at a large aperture. This lens is recommended for use with backs having a 40 x 54mm maximum image area, and provides a view similar to that of a 26mm lens on a 35mm format camera. This HR Digaron-W is delivered in a standard type Copal #0 shutter.

In many cases, digital photography is superior to conventional photography if the desired end product is a printed image. To achieve this ideal, however, a much higher demand is made upon the image reproduction quality of the lens. This is because of a digital image chip's smaller area, which means finer details in a scene are squeezed into a smaller image recording area, as well as their sensitivity to color fringes.

But Rodenstock's digitally-specific lenses such as this HR Digaron-W provide image quality which allows the maximum capacity of a digital back to be realized. The lens utilizes every technological possibility to get as close as possible to the absolute limits of diffraction- determined resolution, even accounting for the properties and thickness of a CCD's protective glass. With the HR Digaron-W, you can use digital backs with a pixel pitch as small as 5µ.

Despite this lens' short focal length, it provides an adequate 69.5mmm flange focal length with 25.1mm of space between the rear of the barrel and the image receiving area, permitting its unrestricted use on nearly any camera which accepts a medium format digital back.

Extreme high resolution lens specifically for digital backs as large as 40x54mm
Produces extremely fine, uniform 90mm image circle
Flange-to-sensor distance and flange-to-rear-barrel length allow unrestricted use with most cameras
Wide angle view with 94° coverage
Apochromatic design to eliminate color fringing
Ideal working aperture range of f/5.6-8
Accepts 67mm threaded filters
Rear barrel diameter of 56mm
Without Shutter
Focal Length 40 mm
Aperture Range f/4.0 - 22
Covering Power 94°
Image Circle 90 mm @ f/11
Shutter None
Filter Thread Front: 67 mm
Overall Length 3.80" (96.4  mm)
Dimensions (DxL) Approx. 2.76 x 3.80" (70 x 96.4 mm)
Weight 18.70 oz (530 g)

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