Rodenstock Sironar 360mm f/6.8

Rodenstock Sironar 360mm f/6.8 is the classic Rodenstock 8×10 + 11×14 short-tele plasmat — original Sironar at 360mm.

Key features

• Mount: Copal 3 shutter (1s to 1/125, X-sync at all speeds)
• Focal length: 360mm
• Maximum aperture: f/6.8
• Image circle: ~480mm at f/22 — covers 8×10 with generous movements; covers 11×14
• Optical formula: 6-element/4-group plasmat
• Single-coated older; multi-coated later
• Heavy — Copal 3

Use case + rendering

The 360 Sironar is the classic 8×10 portrait-tele / 11×14 normal. Long focal length on 8×10 produces shallow DoF in the medium-format-portrait sense.

Compatible cameras

• 8×10 + 11×14 view cameras with Copal 3 lens-board capacity and ample bellows draw

Related lenses

• Rodenstock Sironar 300mm f/5.6 — wider Sironar
• Rodenstock Apo-Sironar-N 360mm f/6.8 — apochromatic successor
• Schneider Symmar 360mm f/5.6 — Schneider equivalent