• 1
  • 2
  • 3
  • 4
  • 5
負焦距消色差膠合透鏡

材料................................................................................BK7
設計波長.......................................480.0nm, 546.1nm, 634.8nm 
外徑公差..........................................................+0.00,-0.15mm 
旁軸焦距誤差.........................±2%(f<400mm);±5%(f>=400mm)
中心偏..............................................................<3 arc minutes 
有效孔徑.......................................................................>90% 
光潔度...........................................................................60-40
倒角........................................................................保護性倒角

P/NfΦtc1tc2fbLens ALens B
30801-25.0012.703.002.67-27.50BK7F2
30802-40.0012.703.002.34-42.50BK7F2
30803-5025.43.004.22-53.3BK7F2
●尺寸單位:毫米
●其他規格和鍍膜要求請聯係EastOptics銷售獲得。