[pure-silver] Re: interesting darkroom tool

 
On Friday, August 31, 2007, at 03:42AM, "Claudio Bonavolta" 
<claudio@xxxxxxxxxxxx> wrote:
>
>----- Message d'origine -----
>De: Eric Nelson <emanmb@xxxxxxxxx>
>Date: Thu, 30 Aug 2007 22:46:53 -0700 (PDT)
>Sujet: [pure-silver] interesting darkroom tool
>À: pure-silver@xxxxxxxxxxxxx
>
>>I think I'll stay w/my Jobo but I thought this was
>>amusing piece of gear I hadn't seen before.  Looks
>>like a mini paint shaker.
>>Translated by Google.
>>http://tinyurl.com/2bww9o
>>or this page here.  
>>http://www.rhdesigns.co.uk/darkroom/html/tas_film_processor.html
>>Eric
>
>I saw it for the first time at the 2002 Photokina, it is supposed to simulate 
>a manual agitation for those who dislike rotation.
>I found it an elegant (i.e. amusing) but useless piece of engineering.

Developing edge effects via a high acutance developer which relies on 
exhaustion products and intermittent developer stagnation is pretty close to 
impossible using a normal rotary processor, this machine would allow this, 
although as you say the price is high.
all the best
Larry

>Price was pretty high too ...
>Chemical quantities are similar to normal manual agitation and sensibly larger 
>than with rotation.
>You can't stabilize temperature so it is limited to ambient temperatures 
>processes only.
>
>I'll too stick to the Jobos.
>As Jobo has stopped production, it could be good to see a smaller company 
>starting a production a Jobo-compatible stuff (tanks, processors, etc ...).
>
>Claudio Bonavolta
>http://www.bonavolta.ch
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