Retinal lens for ophthalmology diagnosis apply with slit lamp Retinal Lenses are made of high transmittance glass and precision double aspheric designs that yield an extremely wide field of view and sharp image. Available with 20D, 78D and 90D in black ring.Specifications:Image90D78D20DImage Magnif......




| Image | 90D | 78D | 20D |
| Image Magnification | 0.65 | 0.93 | 2.97 |
| Field of View | 72° | 78° | 50° |
| Working Distance | 10 | 10 | 47 |
| Clear Aperture | 18 | 26 | 48 |


4" Diameter UV Fused Silica AR -Coated Optical Protective Window
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