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which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular lens magnification = 10x)
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- Which objective lens has the least working distance?To obtain a 400X magnification image you may choose a 40X objective lens with a 10X projector lens, or a 20X objective lens with a 20X projector lens. What are the differences in their image quality?Give the resolution of eyepiece, scanning objective, LPO, HPO and OIO
- Compute the total magnification. [Use 10x magnification for eyepiece]1. Scanning2. LPO3. HPO4. OIOHow can you improve contrast when viewing a specimen?. What should you do if you have difficulty focusing in high power?. Why is important to use the fine adjustment nob only when focusing while using the high dry objective lens?What is the rule for determining total magnification? A. Ocular lens magnification + objective lens magnification = total magnification B. Ocular lens magnification - objective lens magnification = total magnification C. Ocular lens magnification x objective lens magnification = total magnification
- What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your answer in μ (micra)Why must the subject stand 20 feet from the Snellen eye chart to test distance vision?What is the magnification power of the objective lenses? How does the eyepiece compare to the objective lens? What is a magnification power? Differentiate between the fine and the coarse adjustment knobs.
- Why is it important to use immersion oil when using the 100X objective? What do you think would happen if you tried to view a slide using the oil immersion lens but forgot to add the oil?Total Magnification is obtained by Select one: A. Magnifying power of both the objective lens and eyepiece B. Magnifying power of eyepiece C. Magnifying power of condenser lens D. Magnifying power of the objective lenswhat is the total magnification if the objective lens is 4x and the ocular lens is 10x?
