For sale is a classic German medium format lens and shutter assembly from the 1930s. This lot features a high-quality Rodenstock-Trinar-Anastigmat 10.5cm (105mm) f/4.5 triplet lens mounted in a legendary F. Deckel Compur rim-set mechanical shutter. This focal length is specifically designed for 6x9 cm medium format folding or plate cameras. The unit has been fully inspected, cleaned, and serviced (CLA), making it a reliable choice for camera restoration, custom vintage lens projects, or large format photography.

Excellent working condition after professional maintenance (CLA). The mechanical Compur shutter fires accurately across all speeds from 1 second to 1/250th, including B (Bulb) and T (Time) modes. The shutter and aperture blades are completely clean, dry, and free of oil or rust. The focusing mechanism and aperture ring turn smoothly without resistance. Optically, the elements are clear with no fungus, haze, or deep scratches, though minor internal dust particles consistent with age may be present. Exterior shows normal cosmetic wear and patina on the metal rims. Mounting ring is included.

Specifications
Lens Model: Rodenstock-Trinar-Anastigmat
Optical Design: 3 elements in 3 groups (Triplet)
Focal Length: 10.5 cm (105 mm)
Maximum Aperture: f/4.5
Minimum Aperture: f/25 (Old German scale: 4.5 - 6.3 - 9 - 12.5 - 18 - 25)
Focusing Range: 1.5 meters to Infinity
Shutter Model: F. Deckel Compur (Rim-set version)
Shutter Speeds: 1, 2, 5, 10, 25, 50, 100, 250, B, T
Format Coverage: 6x9 cm medium format
Country of Manufacture: Germany