There is a detectable amount of radial distortion but that is to be expected with an eyepiece of this type,(It would be interesting to use a field flattener and see the difference it makes), and there was also a very limited amount of lateral color present when looking at the moon and I do stress limited.
Google is a disruptive influence on the traditional school experience, as well as economics as we knew them in the 20th century. Its power caused Tom Friedman to cite it as a major "flattener" of the world in his book,"The World is Flat." So what would you call a classroom without access to Google at all?
In addition to an optional 4 Prime Focus Field Flattener, we offer a dedicated f5.75 Flat-Field Telecompressor that is diffraction-limited over the entire 35mm field.
The uncoiler is a key unit in the mill line, It's mainly used to support the strip coil and, together with the straightener, feed the strip into the flattener.
