![pak1.jpg](http://www.kwanghun.com/3hands/files/attach/images/448/756/5dec64ea4b9ec799868a368afff56fd9.jpg)
![co0.gif](http://www.kwanghun.com/3hands/files/attach/images/448/756/dd00449ca47c92c97f70f3bef5cec909.gif)
![co1.gif](http://www.kwanghun.com/3hands/files/attach/images/448/756/9a181ddf79cb5e9211f7a3550b27f0a6.gif)
![co3.gif](http://www.kwanghun.com/3hands/files/attach/images/448/756/ed239d7b57f1c953342f4ae9c3b55667.gif)
COPAL spec. | #0 | #1 | #3 | #3s |
front thread | M29.5-0.5 | M40-0.75 | M58-0.75 | M56-0.75 |
back thread | M29.5-0.5 | M36-0.75 | M58-0.75 | M56-0.75 |
overall thickness | 20 mm | 20 mm | 32 mm | 28.6 mm |
front to iris | 10.2 mm | 10.75 mm | 17.7 mm | 16.25 mm |
mount thread | M32.5-0.5 | M39-0.75 | M62-0.75 | M61-0.75 |
lensboard hole | 34.6 mm | 41.6 mm | 65 mm | 64.1 mm |
iris dia | 24 mm | 30 mm | 45 mm | 45 mm |
http://www.skgrimes.com/lensmount/24art/index.htm
http://www.skgrimes.com/fits/index.htm
http://www.skgrimes.com/products/