Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

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by cday
07 Jun 2021, 13:54
Forum: Scanners and Build Threads
Topic: a small story for my scanner
Replies: 71
Views: 51774

Re: a small story for my scanner

Thank you for your detailed comments, I hope they could be useful to Doranwen with his scanner build, which I think he hopes to start soon... :D

BTW Are your first two attachments above displaying as intended, at a quick look they seem almost entirely black?
by cday
06 Jun 2021, 13:49
Forum: Scanners and Build Threads
Topic: a small story for my scanner
Replies: 71
Views: 51774

Re: a small story for my scanner

95.8 degrees glass angle .the right plate it moves a little but no issues with the books. Was that angle planned rather than using 100 degrees? As you probably know, Daniel Reetz when he did some tests to investigate the reflection problem found 100 degrees to be optimum, I don't have a link to his...
by cday
03 Jun 2021, 16:04
Forum: Scanners and Build Threads
Topic: a small story for my scanner
Replies: 71
Views: 51774

Re: a small story for my scanner

Two questions about your platten design: Konos93a_e_a.png 1. Your platten angle is 100º ? 2. The way the two pieces are joined, with a sharp edge where the platten enters the book, doesn't cause any problem? Your design avoids the need to profile the edges of the acrylic or glass sheets which may be...
by cday
26 May 2021, 05:40
Forum: Lighting
Topic: LED lamps 'Warm' or 'Cold' light - Does it matter?
Replies: 6
Views: 1216

Re: LED lamps 'Warm' or 'Cold' light - Does it matter?

@ zbgns Thank you for that seemingly very relevant advice! While standard LED floodlights seem to be almost exclusively advertised as producing either 'warm' or 'cold' light, the output of a LED panel floodlight suggested by dpc can be adjusted continuously between 'warm' and 'cold' colour temperatu...
by cday
23 May 2021, 07:56
Forum: Lighting
Topic: LED lamps 'Warm' or 'Cold' light - Does it matter?
Replies: 6
Views: 1216

Re: LED lamps 'Warm' or 'Cold' light - Does it matter?

All recent smartphones have built in filters that compensate for "color" of light, and enhance the photo with the correct hue depending on how they interpret the photos contents. Do you know how they interpret an image of a book page? ;) And do modern smartphones have 'auto' and 'custom' options th...
by cday
15 May 2021, 11:27
Forum: Lighting
Topic: Lighting for PVC pipe scanner
Replies: 20
Views: 2154

Re: Lighting for PVC pipe scanner

Regarding LED floodlights, David Landin reported that the one he used produced even light, dpc reports that ones he has used had a hot spot. It is possible that reflector lamps of generally similar design will not produce identical light, it could also be the case that dpc with probably greater expe...
by cday
13 May 2021, 13:18
Forum: Lighting
Topic: Lighting for PVC pipe scanner
Replies: 20
Views: 2154

Re: Lighting for PVC pipe scanner

Sorry, I've never used smartphones for any sort of document photography so I can't comment on their capabilities. Others that have posted in these forums have though. You might want to search through the posts to see if there's anything useful. @ Doranwen When you first mentioned using smartphones,...
by cday
11 May 2021, 13:22
Forum: Lighting
Topic: Lighting for PVC pipe scanner
Replies: 20
Views: 2154

Re: Lighting for PVC pipe scanner

@ Doranwen o The lamp that shows out of stock for me is one of the three in your earlier post, this one, so possibly we are looking at different models. o If you use the Viltrox lamp you will probably want to also purchase a line power supply such as this one, so you need to add that to the total co...
by cday
11 May 2021, 09:53
Forum: Lighting
Topic: Lighting for PVC pipe scanner
Replies: 20
Views: 2154

Re: Lighting for PVC pipe scanner

The Trendmart Flood Light you linked to on Amazon looks suitable but there is a problem: it is currently not available, and I would think that it has quite possibly been discontinued and likely will not become available again... :( As there are currently relatively few LED lamps offered on eBay and ...
by cday
10 May 2021, 13:42
Forum: Lighting
Topic: LED lamps 'Warm' or 'Cold' light - Does it matter?
Replies: 6
Views: 1216

LED lamps 'Warm' or 'Cold' light - Does it matter?

LED lamps are typically specified as producing 'warm' or 'cold' light, the first similar to the light from a traditional incandescent lamp, the latter with a color temperature closer to daylight. I have read in other threads that cameras normally have settings to allow for light of different color t...