Ezer Diagnostic Lens EDL-20D
Ezer EDL-20D Diagnostic Lens; optimized aspheric design with small holding ring for precise Indirect Ophthalmoscopy.
Thanks to their tremendous versatility, the 20D lens is perhaps one of the most popular lenses used in ophthalmic today. These lenses allow practitioners to obtain a wide field of view in almost any situation. The EDL-20D by Ezer offers all of the benefits you look for in a 20D lens plus specialized, optical qualities only found in the most high-end diagnostic lenses. The lens is made of high-transmittance glass to achieve distortion-free, bright, clear images across the entire field. Whether at the slit lamp or with a headband BIO, users will benefit immensely from the computer optimized aspheric design of the EDL-20D.
£186.37
Features of the EDL-20D
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Exam Principles With indirect ophthalmoscopy, the fundus is illuminated by light passing through the EDL-20D lens. The returning light then passes back through the EDL-20D to form a real, inverted image of the fundus between the lens and the practitioner. |
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BIO Advantages The advantages of binocular indirect ophthalmoscopy compared to direct exams are the excellent, stereoscopic field of view and the ability to assess subtle diffuse fundus color changes. |
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Outstanding Optics The EDL-20D is made of high-transmittance glass to achieve distortion-free imaging. Users will obtain bright, clear images across the entire field. |
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Unique Features The EDL-20D features a computer optimized aspheric design that minimizes reflections and delivers high-resolution images. A small holding ring also contributes to ease of use. |
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Click here to see the brochure
Click here to see the brochure
| Image Magnification X | 2.11 |
| Field of View | 50° |
| Working Distance | 1.85in (47mm) |
| Focal Length | 2.04in (52mm) |
| Clear Aperture | 1.9in (48mm) |
| Lens Diameter | 1.96in (50mm) |
| Image Magnification X | 2.11 |
| Field of View | 50° |
| Working Distance | 1.85in (47mm) |
| Focal Length | 2.04in (52mm) |
| Clear Aperture | 1.9in (48mm) |
| Lens Diameter | 1.96in (50mm) |
