Rodenstock 100mm f/4 Apo-Sironar HR Digital Lens
The Rodenstock 100mm f/4 is a 100mm f/4 lens designed for Lens Board (Technical Camera) mount cameras. Used copies start from $1,690 on GearFocus, with buyer protection on every purchase.
Rodenstock 100mm f/4 Apo-Sironar HR Digital Lens
Used Rodenstock 100mm f/4 Listings on GearFocus
Lens Overview — Rodenstock 100mm f/4
Key Features — Rodenstock 100mm f/4
Apo-Sironar HR Optical Design: Apochromatic correction minimizes chromatic aberration across the frame, critical for extracting full detail from high-resolution digital backs.
Large Format Prime, 100mm: Fixed 100mm focal length sits in the standard range for large format, making it versatile across studio, architectural, and product photography.
Optimized for Digital Backs: The HR (High Resolution) designation indicates the optical formula is specifically corrected for the micro-lenses and sensor characteristics of modern digital backs.
f/4 Maximum Aperture: Provides a practical balance of light gathering and depth of field control for technical camera workflows typically used on a tripod or studio stand.
Lens Board Mount: Mounts via a standard lens board system, ensuring broad compatibility with technical and view cameras from makers such as Linhof, Arca-Swiss, and Cambo.
Manual Focus Construction: Deliberate manual focus control is standard for large format photography, supporting precise focus placement for demanding commercial and architectural work.
Lens Specifications — Rodenstock 100mm f/4
| Spec | Detail |
|---|---|
| Use Cases | Studio |
| Lens Type | Prime |
| Format | Large Format |
| Zoom/Prime | Prime |
| Focal Length | 100mm |
| Maximum Aperture | f/4 |
| Camera System | Technical and View Cameras |
| Lens Mount | Lens Board (Technical Camera) |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Rodenstock 100mm f/4
The Rodenstock 100mm f/4 Apo-Sironar HR Digital Lens is a large format prime designed for use with technical and view cameras, mounting via a Lens Board (Technical Camera) system. With a fixed 100mm focal length and a maximum aperture of f/4, this lens is built for deliberate, high-precision photographic work where image quality and control take priority. Focus is entirely manual, in keeping with large format shooting discipline.
The lens is notably compact for its format at just 250g, and its 49mm filter thread makes it straightforward to attach polarizing or ND filters. There is no image stabilization, so use with a stable support system is expected. This is a purpose-built optic for professionals operating within the large format and technical camera ecosystem, particularly those working alongside digital backs.
Pros — Rodenstock 100mm f/4
- ✓Fixed 100mm focal length falls within the standard focal length range, well-suited for a variety of large format shooting scenarios
- ✓Maximum aperture of f/4 provides a workable balance for large format use
- ✓Lightweight at just 250g for a large format lens, reducing overall system load
Cons — Rodenstock 100mm f/4
- ✗Manual focus only — no autofocus option, requiring deliberate and time-intensive focusing technique
- ✗No image stabilization, making a sturdy support system essential for sharp results
- ✗Lens Board (Technical Camera) mount limits compatibility to technical and view cameras only, with no broader camera system support
Videos — Rodenstock 100mm f/4
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Frequently Asked Questions — Rodenstock 100mm f/4
What cameras is this lens compatible with?+
The Rodenstock 100mm f/4 Apo-Sironar HR is designed for technical and view cameras, mounting via a Lens Board system. It is not compatible with DSLR, mirrorless, or standard medium format camera systems.
Does this lens support autofocus?+
No, this lens is manual focus only. This is consistent with large format and technical camera workflows, where precise manual control over focus is standard practice.
What filter size does this lens accept?+
The lens has a 49mm filter thread, allowing it to accept standard 49mm screw-in filters such as polarizers or neutral density filters.
How heavy is this lens?+
The lens weighs 250g, which is relatively light for a large format optic and helps keep overall technical camera system weight manageable.
Does this lens have image stabilization?+
No, the Rodenstock 100mm f/4 Apo-Sironar HR has no image stabilization. Large format and technical camera shooters typically work from a tripod or stable support platform.
Is this a zoom or prime lens?+
This is a prime lens with a fixed 100mm focal length, classified within the standard focal length range for large format photography.