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Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Symmar Convertible Lens

The Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible is a 150–265mm f/5.6 lens designed for Lens Board (Technical Camera) mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Symmar Convertible Lens

Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Symmar Convertible Lens

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Lens Overview — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

The Schneider-Kreuznach 150mm f/5.6 Symmar Convertible is a large format prime lens built for technical camera systems, mounting via a standard lens board. What makes this lens distinctive is its convertible design: it operates as a 150mm f/5.6 lens in its standard configuration, and by removing the front lens group, it transforms into a 265mm f/12 lens — giving photographers two working focal lengths in a single optical unit. Both configurations are manually focused, which is standard practice for large format work.

The lens is classified within the standard focal length range and is designed for the large format category, making it suitable for technical cameras used in landscape, architectural, and studio photography. At 450g, it carries a reasonable weight for a large format optic of this capability. Image stabilization is not present, consistent with the manual, tripod-based nature of large format shooting.

The dual focal length system offers meaningful versatility without the need to carry two separate lenses, which is a practical advantage in field or studio environments where lens board swaps can be time-consuming.

Key Features — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

Convertible Dual Focal Length: Removing the front element converts the lens from 150mm f/5.6 to 265mm f/12, providing two working focal lengths in a single optical unit.

Large Format Coverage: Designed to cover large format film sizes, making it suitable for technical cameras used in landscape, architectural, and studio photography.

Lens Board Mount: Mounts via a standard lens board, ensuring broad compatibility across a wide range of technical and view cameras.

f/5.6 Maximum Aperture: The primary 150mm configuration opens to f/5.6, providing a usable amount of light for composing and focusing on the ground glass.

Manual Focus Design: Fully manual focus operation suits the deliberate, tripod-based shooting workflow standard in large format photography.

Prime Optical Construction: Both the 150mm and 265mm configurations function as primes, delivering consistent optical performance in each setting.

Lens Specifications — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible full specifications
SpecDetail
Use CasesLandscape, Architecture, Studio
Lens TypePrime
FormatLarge Format
Zoom/PrimePrime
Focal Length150–265mm
Maximum Aperturef/5.6
Camera SystemLarge Format
Lens MountLens Board (Technical Camera)
AutofocusNo
Focus TypeManual
Image StabilizationNone
Weight450g

Description — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

The Schneider-Kreuznach Symmar Convertible is a large format prime lens offering a practical dual focal length system in one unit. In its standard form, it shoots at 150mm f/5.6. Remove the front lens group and it becomes a 265mm f/12 lens — two distinct shooting configurations without swapping to a different optic entirely.

It mounts via a Lens Board (Technical Camera) interface, the standard fitting for large format technical cameras. Focus is fully manual, with no autofocus and no image stabilization — both expected characteristics for this type of large format optical tool. The lens falls within the standard focal length range classification and weighs 450g, keeping it manageable for field use.

Whether you're working at 150mm or converting to 265mm, both configurations deliver the deliberate, hands-on shooting experience that large format photographers expect from a well-engineered convertible optic.

Pros — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

  • ✓Convertible design provides two focal lengths — 150mm f/5.6 and 265mm f/12 — in a single lens
  • ✓Large format coverage suitable for technical camera systems
  • ✓Standard lens board mount ensures broad compatibility with technical cameras

Cons — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

  • ✗Manual focus only — no autofocus option available
  • ✗No image stabilization, requiring careful tripod or support use
  • ✗Converted 265mm configuration has a significantly slower maximum aperture of f/12, limiting use in lower light

Resources & Downloads — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

Manuals & Guides

Frequently Asked Questions — Schneider-Kreuznach 150mm f/5.6 [265mm f/12] Convertible

How does the convertible feature work on this lens?+
The lens operates at 150mm f/5.6 in its standard configuration. Removing the front lens group converts it to a 265mm f/12 setup, giving you a second focal length without carrying a separate lens. Both configurations are manual focus only.
What camera systems is this lens compatible with?+
This lens uses a Lens Board (Technical Camera) mount, making it compatible with large format technical cameras that accept standard lens boards. The camera system classification is listed as Medium Format as well, so verify lens board compatibility with your specific camera before purchase.
Does this lens have image stabilization?+
No, image stabilization is not present on this lens. Large format shooting typically involves use on a tripod or camera stand, so stabilization is generally addressed through support equipment rather than in-lens systems.
What is the weight of this lens?+
The lens weighs 450g, which is a manageable weight for a large format optic offering two convertible focal length configurations.
Can I use autofocus with this lens?+
No, this lens is manual focus only. Autofocus is not supported, which is consistent with large format technical camera workflows where precise manual focusing is standard practice.

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