1. The diameter of the objective lenses is unimportant for field of view. 2. This would denote 10 times magnification with a 50 mm objective lens . 3. :Not much of an answer but my guess would be the objective lenses . 4. He created many objective lenses , mirrors, and prisms of various sizes and purposes. 5. The stages are the condenser lenses, the objective lenses , and the projector lenses. 6. Looking up through the objective lens revealed a giant blinking eyeball. 7. After the electrons have left the sample they pass through the electromagnetic objective lens . 8. This was especially true in refracting telescopes, before the invention of achromatic objective lenses . 9. Some high performance objective lenses may require matched eyepieces to deliver the best optical performance. 10. Microscopes were first developed with just two lenses : an objective lens and an eyepiece.
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