2" Amici-Prisma, beidseitig mit 2" Steckanschluss

Can the nosepiece be removed? If yes, what adapter would be needed to convert the M48 threaded interior connection of this diagonal to a 2" interior threaded connection? This would allow 2" threaded spacers to be inserted between the diagonal and a TSFLAT2 flattener and field corrector.

I have some questions regarding your Amici-prism 2" diagonal: 1. Does it really have only 30 mm clear aperture? Is it not too small for 2" eyepieces like Nagler 31 mm (42 mm fieldstop)? No vignetting? 2. What is the length of the light path in this diagonal? 3. I'm thinking about using this diagonal in a 80/400 refractor, with Teleskop-Service flattener TSFlat2 (http://www.teleskop-express.de/shop/product_info.php/info/p1010_TS-Optics-Universal-APO-Flattener-TSFLAT2-fuer-Refraktor-Teleskope.html), which has normal 2" filter thread. Can the nosepiece of the diagonal be unscrewed, and the flattener screwed to the body of the diagonal itself? (so the flattener would work as a nosepiece). In the description there is the information that "innenanschluss" is M48 thread, and this - I think - is equal to standard 2" filter thread... Kind regards, Piotr Kierzkowski