Fundus Double Aspheric Lens SET (20D,78D,90D)
Double aspheric fundus lenses (20D, 78D, 90D) are used in ophthalmology for clear retinal examination, providing magnification and a wide field of view.
- The description claims that the 20D lens provides approximately 3x magnification with a 46° field of view.
- The description claims that the 78D lens offers around 0.93x magnification with an 81° field of view.
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