# HW 1 - 6 Problem 2.8 7 For the optical system on the next...

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ECE 716 Autumn 2010 HOMEWORK 1 Due Friday Oct 1 1. Problem 2.1 2. Problem 2.3 3. Problem 2.4. Make the plot, and then consider the three separate regions, for f positive, and then again for f negative. For each case, indicate whether the object and image are real or virtual. Provide a sketch for each case, including principal and axial rays. 4. Problem 2.7 5. Consider an f/10 lens system and an f/5 lens. If collimated light is incident on each, what is the maximum angle a light ray will make for each? Which one will have less spherical aberration?

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Unformatted text preview: 6. Problem 2.8 7. For the optical system on the next page, use a ruler to construct the appropriate rays and locate the final image. Label any intermediate images and indicate (for all images) whether they are real or virtual. Note: the symbol ↕ indicates a convex thin lens. The same symbol with the arrows inverted (pointing toward the connecting line) indicates a concave thin lens. Bear in mind that the concave lens has a negative focal length, so the back focal length is in front of the lens....
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