Objective Lens Diameter: Factors to Decide How Large | Airgun Forum | Airgun Nation | Best Airgun Site | Airgun Message Board
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40X Achromatic Microscope Objective Lens High Magnification 20.2mm/0.8in Interface Size Thread for Compound Magnifier Supplies
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LCLXSH Lab Consumables 20.2mm 4X 10X 40X 100X Achromatic Objective Lens For Biological Microscope Lens Adapter (Color : 1 SETS) : Amazon.co.uk: Electronics & Photo
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Achromatic Objective Lens 4X 10X 20X 40X 60X 100X for Biological Microscope Bio-microscope Conjugate Distance 185 mm
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