The Rodenstock 180mm f/5.6 Apo-Macro-Sironar Lens with Copal Shutter & Lensboard from Arca Swiss is optimized for close-up medium and large format analog photography. It comes with a Copal shutter and lensboard for stepless mechanical action. Also, the lens produces a 302 mm image circle for formats up to 5 x 7" in size. This allows for large movements without a decrease in image quality.
The lens has an optimized working aperture between f/16-22, allowing a moderate amount of light for more control over your photograph. This allows for an image scale from 1:5 to 2:1. Additionally, this lens has ED glass elements for eliminating color fringes and minimizing distortion.
The Copal shutter is a stepless mechanical shutter that is manually cocked and is capable of X-Synchronization. It features a shutter speed up to 1 second and has a bulb setting. The lens also includes a lensboard for mounting to your view camera.
1:5 with an image angle of 70° and a circle diameter of 302 mm. 1:1 with an image angle of 60° and a circle diameter of 415 mm. 2:1 with an image angle of 55° and a circle diameter of 562 mm.