LH Series Fixed Lens Mounts offer a convenient, economical system for mounting lenses and beamsplitters. The mounting system consists of a threaded holder with a Delrin retaining ring to hold the optic firmly, but gently. The holder incorporates 8-32 and M4 threaded mounting holes for post mounting on both English and Metric SP and MSP Series posts. The front of the holder also has two clearance holes, which can be used for face mounting or used with a threaded rod to form low-cost lens systems (not supplied). Our fixed lens mounts come in 1/4, 1/2. 1, 1.5 and 2 inch sizes convenient sizes ( LH-0.25 , LH-0.5 , LH-1 , LH-1.5 and LH-2 respectively). The Model LH-OBJ is offered as a microscope objective holder.