Durst HoBoard Flat lens board, with 58mm  flange. This is for the Durst Horizontal enlarger HL 2500,2501 & HL2506 enlargers lens board.  Designed to mount the Rodenstock Rodagon 360mm lens. This lens board fits  Lenses with a 58mm diameter Pitch is  Very Good pre-owned cond. See Photos




Thanks, Jay