Beseler #8095 Enlarger Lens Jam Nut (retaining ring) for lenses with 39mm "Leica" mounting thread.
Lens adapter provides a 6.5mm extension for mounting certain enlarging lenses with 39mm thread on the Beseler #8225 3-lens turret.
32.5mm to 39mm Leica thread adapter for mounting enlarging lenses with 32.5mm thread on 39mm lensboards.
Metal 32.5mm x .5 pitch lens lock ring (jam nut) to secure lenses or #0 shutters with 32.5mm diameter mounting thread to unthreaded enlarger or camera lensboards.
25mm to 39mm Leica thread adapter for mounting Schneider lenses with 25mm thread on 39mm lensboards.
Metal 25mm x .5 pitch lens lock ring (jam nut) to secure lenses with 25mm diameter mounting thread to unthreaded enlarger or camera lensboards.
Metal 1-3//16" x 40 TPI lock ring (retaining ring, jam nut) to secure lenses or shutters to unthreaded enlarger or camera lensboards.
Metal 1-19/32" x 30 TPI lock ring (retaining ring, jam nut) to secure lenses or shutters to unthreaded enlarger or camera lensboards.
