18" Dynaflect Transmission Flat

Installing this was straightforward, and the Dynaflect coating really does make a noticeable difference in contrast across a wide range of reflectivity. The 1/25 wave surface figure provides the precision I needed for my setup.

The 1/25 wave PVr surface figure is honestly incredible for the price, and the Dynaflect coating gives me crisp fringes even when testing down to 4% reflectivity. Setup took me ten minutes and it's been dead flat all week.

Finally got this flat in the mail and it's noticeably more precise than the generic ones I've used before — the 1/25 wave surface figure is definitely not just marketing fluff. Only minor thing is it took a bit to clean the coating right out of the box, but once I did, the contrast for low reflectiv