Return to 'Hack' PageA.) ANGULAR VIEW of CONTAX LENSES
B.) DEPTH of CONTAX & HELIOPAN HOODS (excluding screw depths)
C.) QED - The MEASUREMENTS (Graph).
ANGULAR VIEW of CONTAX LENSES...
| Lens | Angle |
| 16mm Hologon | 106 |
| 20mm Biogon | 90 |
| 28mm Biogon | 75 |
| 35mm Planar | 63 |
| 45mm Planar | 50 |
| 90mm Sonnar | 27 |
| 35-70mm Zoom | 63-34 |
DEPTHS of CONTAX & HELIOPAN HOODS (excluding screw depths)...
| Depth of... | mm |
| GG1 Hood | 9.5 |
| GG2 Hood | 13.5 |
| GG3 Hood | 33.5 |
| Contax 46mm Filter | 4.5 |
| Hoya MC 46mm Filter | 4.5 |
| B+W MC 46mm Filter | 5.5 |
| Heliopan 46mm Standard Hood | 12.5 |
| Heliopan 46 mm Telephoto Hood | 26 |
QED
http://bobatkins.com/photography/technical/dofcalc.html
