[HN Gopher] The clever camera code on rolls of film [video]
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The clever camera code on rolls of film [video]
Author : Tomte
Score : 47 points
Date : 2022-11-20 18:22 UTC (4 hours ago)
(HTM) web link (www.youtube.com)
(TXT) w3m dump (www.youtube.com)
| ThrowawayTestr wrote:
| Technology Connections has a whole series of videos on film and
| analog cameras.
| gattilorenz wrote:
| Totally recommended. I knew it would be him by the domain,
| title and topic of the submission alone.
| mobilene wrote:
| DX coding was a clever solution for sure. As a longtime camera
| collector and film photographer, however, I shake my fist at
| manufacturers who made cameras that could read only a few DX
| codes, e.g., 100 and 400, and for films with other DX codes would
| set the camera to ISO 25 or something useless like that with no
| way to manually adjust ISO on the camera.
| amelius wrote:
| Reminds me of people who used VHS to make backups.
| cpsns wrote:
| How is that relevant? DX codes aren't about storing arbitrary
| data or backups, it's a system for providing basic information
| on the roll of film itself.
| cpsns wrote:
| DX codes are a huge pain these days as a lot of new rolls of
| film, especially B&W don't have them, leading to a frustrating
| situation on cameras which won't allow you to manually set ISO
| (which is a huge number of sub-professional cameras).
| shagie wrote:
| While not something that is read by a mechanical process - the
| code notches on sheet film
| https://125px.com/docs/unsorted/kodak/f3.pdf
|
| This is for being able to touch and orient while in the darkroom.
| davidmurdoch wrote:
| [PDF]
| [deleted]
| photoGrant wrote:
| See also (2018) https://photothinking.com/2018-02-03-film-dx-
| coding-a-photog...
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(page generated 2022-11-20 23:00 UTC)