Schneider's classic large format lens — the Symmar 150mm for 4x5 with convertible design.
The Schneider Symmar 150mm f/5.6 is a classic large format lens for 4x5 photography. The Symmar is Schneider's plasmat-type design — historically convertible (the rear element could be used separately at a longer focal length). A well-regarded standard lens for 4x5 work. Schneider's German precision ensures reliable quality.
Optical performance is good — the Symmar provides a wide image circle for camera movements. The plasmat design offers better correction than Tessar-type alternatives. Sharpness is very good. The f/5.6 is standard for large format. Earlier Symmar versions are convertible; later Symmar-S versions improved optics but removed convertibility.
Large format mount — typically in Copal or Compur shutter. Weight varies. Build quality is excellent Schneider. The Symmar has been one of the most popular large format lenses. Multiple versions — Symmar, Symmar-S, and Apo-Symmar represent increasing quality tiers.
Available at low prices. Check shutter and identify the specific Symmar version. A classic large format lens — well-proven and reliable. The Symmar-S is better; the Apo-Symmar is premium. All versions are functional for 4x5 work. Only for large format photographers.