Beseler #8095 Enlarger Lens Jam Nut (retaining ring) for lenses with 39mm "Leica" mounting thread.
Metal 25mm x .5 pitch lens lock ring (jam nut) to secure lenses with 25mm 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.
Omega #421-010 Enlarger Lens Retaining Ring for lenses with 39mm "Leica" mounting thread.
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.
32.5mm to 39mm Leica thread adapter for mounting enlarging lenses with 32.5mm thread on 39mm lensboards.
Enlarging Lens Extension Tube for LPL, Omega/LPL, & Saunders/LPL 4x5 enlargers
Lens adapter provides a 6.5mm extension for mounting certain enlarging lenses with 39mm thread on the Beseler #8225 3-lens turret.
Lens adapter provides an 11.5mm extension for mounting certain enlarging lenses with 39mm thread on the Beseler #8225 3-lens turret.