Adding Nikon TC-20E duplicator - Equal Focal Length = 2000mm + Astrosolar Filter + webcam Philips Toucam for video and analog system for photo (*)
Photo composition
Location & setup
Compared Mercury & Venus
Equipment:
Achromatic Refractor: Vixen 102M on equatorial mount 10 micron GM2000 QCI
Camera & accessories: DSL Contax RTS III + Teleconverter Kenko MC x2 + (*) Film: Kodak Ektachrome EPN 5058 100 ISO and Webcam: Philips Toucam for videos