Description


Item specifics

● Condition : New

● Brand : Unbranded

● MPN : Does Not Apply

● Age Level : 8-11 Years, 12-16 Years, 17 Years & Up



eBay

Biological microscope achromatic objective lens 4x 10x 20x 40x 60x 100x 195mm

Specification

Mount size: 20mm thread


Spring loaded 20x and 40x and 100x for protecting slides and lens


Conjugate distance:195


20mm Mounting Thread (in diameter)


4X :Numerical Aperture (NA) 0.1;   working distance 18mm


10X: Numerical Aperture (NA) 0.25;  working distance 7mm


20X (S): Numerical Aperture (NA) 0.4; working distance 0.55mm


40X(S) : Numerical Aperture (NA) 0.65;working distance 0.53mm


60X (S): Numerical Aperture (NA) 0.65;  working distance 0.13mm


100X (S+Oil):Numerical Aperture (NA) 1.25 ;working distance 0.13mm


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