Some friends were asking questions about why their Nikon zoom lens was getting vignetting with their new 35mm DOF Adapter (a RedRock Micro35 M2 unit) and Panasonic HVX200 (actually its an HVX200a). First, we need to talk about frame sizes, for everyone to properly understand the playing field: The Academy 35mm frame (the standard 35mm Cinema frame) is 22mm×16mm; The Super-35mm/Silent-35mm frame is 24.89mm×18.66mm; Still photography 35mm (aka “135″)/Nikon FX frame is 24×36mm; and finally the Nikon DX frame is 23.7×15.5mm. Second, as you may have noticed above, there are two different Convert this post to pdf … Read entire article »