Thailand

#4X #10X #40X #100X #Microscope #Objective #Lens #Achromatic #Objective #Microscope #parts
Features :
Type:Microscope achromatic Objective lens
Magnification: 4X/10X/40X/100X
Mounting size :20.2mm
Standard RMS  thread
Material:Precision Copper core
Tube length : 160mm
standard thickness of cover glass 0.17mm
for Biological microscope

Detailed information :   

4X :Numerical Aperture (NA) 0.1;   working distance 18mm
10X: Numerical Aperture (NA) 0.25;  working distance 7mm
40X : Numerical Aperture (NA) 0.65;working distance 0.53mm
100X :Numerical Aperture (NA) 1.25 ;working distance 0.13mm