Rodenstock know that only a first class enlarging lens guarantees developing success. Their German engineers combine the latest in computer design with superior mechanical craftsmanship. No need to look at technical curves - you can see the Rodenstock difference in every picture. They ll repay you with higher resolution, colour fidelity, outstanding field flatness, contrast, and uniform illumination.
The Rogonar forms a solid base for the first steps in amateur developing. This lens is already a standard feature of many low-price enlargig units. With 3 free elements the lens has a relatively simple optical design.
With 3 free elements the lens has a relatively simple optical design. But when used for a relatively small scale range and at a working aperture of 11, it still offers good results.
The high full aperture for a 3 element lens ensures simple and precise focusing.
The Rogonar is available in two versions for 35 mm film or roll film formats tp to 6 x 6 cm. Both versions have a click-stop diaphragm and an illuminated f-number scale.
Further important technical details can be found in the table on the rear cover.
Specification:
Minimum aperture: f/16
Illuminated aperture selection
Thread size: M39
Elements: 3
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