William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 - P-FLAT68III 16 mm Eypieces Easy to use as X-Y-Z:

Easy to use as X-Y-Z:

making them comfortable for all users

for instance

and five-foot high walls combined with six-foot high wind break walls of the Explore Scientific Two-Room Pop-Up Observatory Tent

William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 - P-FLAT68III 16 mm Eypieces Easy to use as X-Y-Z:William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153 Features unity (1X) magnification Can mate with various WO telescopes and focal lengths This is the William Optics Adjustable Field Flattener For FLT132 or GT102 or GT153. It is their model number P FLAT68III. It features a unity (1X) magnification for convenient imaging, while flattening your image focal plane.