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Rodenstock Rodagon-WA 40mm f/4.0 Vergroterlens
Maximaal filmformaat: 35mm.
The Rodagon-WA has a shorter focal length and a larger angle of view and hence it achieves a 70 % larger projection area than a conventional enlarging lens with standard focal length. It is therefore eminently suitable for section enlargements on units with relatively short columns. Clumsy wall or floor pro- jections can so be avoided.
Thanks to the shorter projection distance, the negative carrier and the filter adjustment controls remain within reach of the hands and can still be operated easily when the enlarger's head is in top position for high enlargements.
The 6 elements Rodagon-WA provides the same reproduction performance as the Rodagon lens type.
The recommended working aperture is reached by stopping down by 2 stops. This guarantees shorter exposure times for higher efficiency and without or with less reciprocity failure for large format prints as well as for less loss in contrast by the in- fluence of stray light during longer exposure times.
All Rodagon-WA models have a click-stop diaphragm and an illuminated f-stop display. They have a pre-set aperture and al- low the click-stop to be disabled for stepless control for the use of analysers or timers with a pre-set exposure time mode.
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Lens Speed: f/4.0
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Focal Length: 40mm
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Elements: 6
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Click-stop disengaging
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Aperture presetting
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Illuminated Aperture Scale
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Filter Thread: 40,5mm (M39×1/26")
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Max. film format: 24x36mm
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- Product: Rodenstock Rodagon-WA 40mm f/4.0 Vergroterlens
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