SPECIFICATIONS

Brand Name: OOTDTY

Hign-concerned Chemical: None

Magnification Ratio: 500X & Under

Origin: Mainland China

Theory: -

Is Smart Device: no

Certification: none

Material: Precision Copper core

Drawtube: -

Magnification: 4X/10X/40X/100X

Mounting size: 20.2mm

Features :
OOTDTY  
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