For Bright Field Observation

  • CFI optical system
  • High N.A and long working distance
  • Confocal length 45 mm, conjugate focal length 200 mm and field of view 25 mm in diameter
Cat. No. LDJ5 LDJ10 LDJ20 LDJ50 LDJ100
Product
Photo
Dimensional
Drawing		 Detail View Detail View Detail View Detail View Detail View
Magnification 5 X 10 X 20 X 50 X 100 X
NA
(Numerical Aperture)		 0.13 0.3 0.4 0.55 0.8
WD
(Working Distance)		 11.5 mm 6.8 mm 11.1 mm 8.2 mm 2 mm
F
(Focal length)		 40 mm 20 mm 10 mm 4 mm 2 mm
R
(Resolving Power)		 2 um 1 um 0.7 um 0.5 um 0.4 um
DOF
(Depth Of Focal)		 ±14 um ±3.5 um ±1.6 um ±0.9 um ±0.4 um
FD
(Field Diameter)
φ24		 φ5 mm φ2.5 mm φ1.6 mm φ0.5 mm φ0.25 mm
Field Area on
1/2’CCD		 0.96 x 1.28 mm 0.4 x 0.64 mm 0.24 x 0.32 mm 0.1 x 0.13 mm 0.05 x 0.06 mm