Timeline for What is a "4P" Lens?
Current License: CC BY-SA 2.5
9 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 10, 2018 at 20:41 | answer | added | рüффп | timeline score: 1 | |
| Mar 21, 2017 at 23:48 | history | tweeted | twitter.com/StackPhotos/status/844334897653276672 | ||
| Oct 15, 2010 at 18:48 | comment | added | Rowland Shaw | It might be useful to add a link to the data-sheet you mention | |
| Oct 15, 2010 at 7:52 | answer | added | asalamon74 | timeline score: 3 | |
| Oct 14, 2010 at 18:00 | comment | added | whuber | You might start at the Wikipedia article and then explore whatever interests you in the links from it. en.wikipedia.org/wiki/Camera_lens | |
| Oct 14, 2010 at 17:56 | comment | added | Kevin Boyd | @whuber: Thanks, so why exactly do we need these four plastic lenses or glass lenses? Is there some reference that explains the construction and understanding of lenses. | |
| Oct 14, 2010 at 14:54 | answer | added | che | timeline score: 3 | |
| Oct 14, 2010 at 14:51 | comment | added | whuber | One answer appears in the first hit when you Google "4P + IR lens": "4P = four plastic lenses; 1G = one glass lens; IR = infrared filter" | |
| Oct 14, 2010 at 14:40 | history | asked | Kevin Boyd | CC BY-SA 2.5 |