Eyepiece and objective

Long working distance objective

Long working distance objective

achromatic objective

Eyepiece and objective metallurgical

infinity plan objective

metallurgical long working distance objective

nosepiece 2

objective with iris

plan achromatic objective

semi-plan objective

various eyepiece

Phase contrast 1

Phase contrast 2

Eyepiece and objective polarizing objective

Phase contrast 3

Single phase contrast

Slide phase contrast-2