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78d 90d 20d Ophthalmic Slit Lamp Examination Diagnostic Fundus Aspheric Retina Lens Black Leather Box - Lenses - AliExpress
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Used VOLK 20D Double Aspheric Lens Indirect Ophthalmoscopy Instrument Fundus Ophthalmology General For Sale - DOTmed Listing #3507119:
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Used VOLK 20D Double Aspheric Lens Double Aspheric Lens Ophthalmology General For Sale - DOTmed Listing #2299981:
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Volk® 20D BIO lens, black ring, 46°/60° FOV, 3.13x image mag., 0.32x laser spot, 50.0mm working distance, ideal for imaging of the macular and optic disc | Ambler Surgical
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