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Mar 6, 2023 at 5:41 review Suggested edits
Mar 6, 2023 at 13:41
Feb 28, 2023 at 20:04 answer added Juan Carlos Petella timeline score: 1
Nov 4, 2022 at 20:14 vote accept WordP
Nov 4, 2022 at 18:58 answer added WordP timeline score: 1
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Nov 29, 2020 at 9:16 comment added Kphysics ...contd...And the second question is, if are you going to allow d ~ R in other words a a really thick lens, how well is it going focus? Is this correction to the first formula worth it?
Nov 29, 2020 at 9:16 comment added Kphysics Focal length of the lens is the place where a parallel bunch of rays converge. Spherical lens does not, in fact, collect those rays into one exact location. Thus, it is said that the first well-known formula is valid only for f>>R and of course f>>R>>d even though d does not even enter the first formula. Now, you are asking for a more complicated formula where f is modified by d. The first question I would ask, if this thickness d is not too small, are you going to measure the distance to the focal point from the front or the back of the lens?
Nov 29, 2020 at 3:23 answer added B Green timeline score: 0
S Nov 28, 2020 at 21:31 history bounty started WordP
S Nov 28, 2020 at 21:31 history notice added WordP Draw attention
Nov 24, 2020 at 2:05 review First posts
Nov 24, 2020 at 3:17
Nov 24, 2020 at 1:55 history asked WordP CC BY-SA 4.0