I don't do ebay anymore and haven't for a long time, but knowing a brand name is a big help. There is a local used photo place nearby I can check if I know of a something to look for.
Building one does sound interesting. Frankly I usually end up learning something in the building process that I would have never learned had I just bought it. That alone is usually worth something.
First thing I noticed with the plans is a 220V for a light bulb. My first reaction and I hope that this is just because this might have been a circuit with a European current in mind instead of the US 110V to run a 40 watt bulb. I can't see where 110 would be a problem to run a light bulb, but maybe I could be missing something.
Radio Shack should have most of the switches ect, but anyone have an idea for a source for the photo cell??
I'll have to look for 101 experiments in photography. I think I have an old ambient light meter laying around.
-------- Original Message --------
Subject: Re: densitometers
From: Don Roberts <droberts@xxxxxxxxxx>
Date: Sun, October 11, 2009 10:27 am
To: List for Photo/Imaging Educators - Professionals - Students
<photoforum@xxxxxxxxxxxxxxxxxx>
There are a number of densitometers, including X-Rites on eBay right now. Many around $50 or so. You should be able to find something there.
Don
ADavidhazy wrote:I seem to recall that in the book 101 Experiments in Photography by Todd and Zakia they suggested using a light meter as the basis for building a densitometer. I also seem to recall I made one of these at one time. In fact, I have a picture of it somewhere but no details.
On the commercial side X-Rite used to sell small battery powered (or AC) portable units but unfortunately I don't know where you can get these.
All in all this posting does not seem to be of much help. :(
Andy
