This telescope design was used in a LaserMike laser micrometer.  The  purpose for this design is to reduce the beam spot size to 0.01" with a 0.00002" tolerance.  It uses off-shelf optics costing less than $100.
LOD Designs

Laser Micrometer Telescope
LOD Examples of Previous Work
Contact Information:

       Owners: Dr. Logan DesAutels and Kristen DesAutels

       Phone: (937) 469-0756
       Logan's Email: ld@loganopticaldesigns.com