名稱:日本KOWA鏡頭JC系列
型號(hào):LM6JC、LM8JC、LM12JC、LM16JC、LM25JC、LM35JC、LM50JC、LM75JC、LM100JC
型號(hào) | LM6JC | LM8JC | LM12JC | LM16JC | LM25JC | |
焦距(mm) | 6 | 8 | 12 | 16 | 25 | |
CCD (mm) | 6.6 x 8.8(Ø11) | 6.6 x 8.8(Ø11) | 6.6 x 8.8(Ø11) | 6.6 x 8.8(Ø11) | 6.6 x 8.8(Ø11) | |
光圈范圍 | F1.4~F16 | F1.4~F16 | F1.4~F16 | F1.4~F16 | F1.6~F16 | |
對(duì)焦范圍(m) | 0.1~∞ | 0.1~∞ | 0.1~∞ | 0.2~∞ | 0.2~∞ | |
光圈 | Manual | Manual | Manual | Manual | Manual | |
對(duì)焦 | Manual | Manual | Manual |
Manual | Manual | |
zui近視野M.O.D | 367(H) x 251(V) | 260(H) x 184(V) |
237(H) x 173(V) |
111.8(H) x 82.6(V) | 119(H) x 89(V) | |
視角 (H"xV") | 2/3 | 64.2 x 47.7 | 42.5 x 31.7 | 30.5 x 22.8 | 14.4 x 10.8 | 81.9 x 61.2 |
1/2 | 46.2 x 34.6 | 30.7 x 23.0 | 22.2 x 16.6 | 10.5 x 7.9 | 59.4 x 44.5 | |
1/3 | 34.5 x 28.6 | 23.0 x 17.2 | 16.6 x 12.4 | 7.9 x 5.9 | 44.5 x 33.3 | |
空間分辨率 | 100lp/mm,60lp/mm | 100lp/mm,60lp/mm | 100lp/mm,60lp/mm | 100lp/mm,60lp/mm | 100lp/mm,60lp/mm | |
變形率 | -10.7% | -6.2% | -2.5% | -1.5% | -0.6% | |
后焦距 | 11.30 | 11.30 | 11.12 | 12.15 | 10.32 | |
接口 | C-Mount |
C-Mount |
C-Mount |
C-Mount |
C-Mount | |
濾鏡尺寸(mm) | - | M27 x P0.5 | M27 x P0.5 | M27 x P0.5 | M27 x P0.5 | |
體積(mm) | Ø30 x 32.8 |
Ø30 x 30 |
Ø30 x 31.5 |
Ø30 x 28 |
Ø30 x 28.5 | |
重量(g) | 63 | 60 | 63 | 55 | 58 | |
使用溫度 | -10℃~+45℃ | -10 ℃~+45℃ | -10 ℃~+45℃ | -10 ℃~+45℃ | -10 ℃~+45℃ |