Rodenstock Apo-Sironar-N 240mm f/5.6
The gold standard for large format sharpness.
Key Features
Lens Capabilities
Click the Links Below for Details
The Most Important Rings & Switches — Rodenstock Apo-Sironar-N 240mm f/5.6
| Ring / Switch / Control | Status | Note |
|---|---|---|
| Focus Ring | ✗ Not Present | Focusing is performed by the camera bellows |
| Zoom Ring | ✗ Not Present | |
| Aperture Ring | ✓ Present | Located on the mechanical shutter |
| AF/MF Switch | ✗ Not Present | |
| Image Stabilisation Switch | ✗ Not Present | |
| Focus Limiter Switch | ✗ Not Present | |
| Function (L-Fn) Button | ✗ Not Present | |
| Zoom Lock Switch | ✗ Not Present | |
| Optical Image Stabilisation (OIS) | ✗ Not Present | |
| Weather Sealing | ✗ Not Present | Mechanical design is not weather-sealed |
How-to Use Rodenstock Apo-Sironar-N 240mm f/5.6
Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.
Learn & Master Photography with Rodenstock Apo-Sironar-N 240mm f/5.6
For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.
Technical Specification
| Focal Length | 240mm |
| Aperture Range | f/5.6 - f/64 |
| Format | Large Format (4x5 / 5x7) |
| Image Circle | 352mm at f/22 |
| Filter Thread | 77mm |
| Lens Design | 6 elements in 4 groups |
| Shutter | Copal 3 (typically) |
| Weight | Approx 750g (varies by shutter) |
| Focusing | Manual via view camera bellows |
| Movements | Excellent coverage for tilt and shift |
| Mount | Large Format Lens Board |
| Front Diameter | 80mm |
| Apochromatic | Yes |
| Multi-coated | Yes |
| Dimensions | Varies by shutter mounting |
