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Photograph from Mobile Developer Summit 2010 held in Bangalore, India, 10 November 2010, produced by Saltmarch Media. Photograph ©Copyright Saltmarch Media. Non-commercial use permitted with attribution and linkback to this page on Saltmarch's Flickr photostream. All other rights reserved.
There are four of us at this set of computers, and two more developers behind where I'm standing. I sit at the one at the far right.
This is an experiment combining p-Aminophenol(ates) and Ascorbates (Vit C).
All the experiments are done on PolypanF.
The intention was to use less VitC than the usual formulae.
(reason : Rodinal/R09 1+100 only contains something like 0.6 g/L pAp developer, why use
several grams of VitC, with a high risk of fog and not so fine grain.)
(All the next amounts/weights are for a 250cc developer.)
I used 0.5 g VitC in combination with R09 1+100 1+200 1+250 and 1+500 -- I also used it in
combination with 4, 6 and 9 g instant coffee. (the pictures at the Ursel Castle are made
with the 9g.
I call these developers VitRo 100 .. 500 and VitCa 4,6 or 9.
It has to be noticed (visible with the Rodinal combination) there is no single trace of
oxidation (against the air - the reduction of silver salts works as normal, even stronger).
(Agfa claimed the darkening of the Rodinal during development is a result of the anti-halo
layer, this is only partly correct (simply because films without this layer also show this
result).
The VitRo developers contain :
3 g Soda (deca) .. Na2CO3.10H20 (= 106 + 10x18 g/mol - to calculate the mono etc..)
(this is needed to neutralize the H's from the Ascorbic acid, otherwise it will
take the OH's from the Rodinal/R09 and turn the developer ineffective).
0.5g VitC
2.5 - 2 - 1.25 - 1 cc R09
2.5cc of a 2.5% solution of Borax. (finer, rounder grain)
Example above is made with the VitRo 250.
Developing times : (PolypanF)
VitRo 100 12' 80iso
VitRo 200 20' 64iso
VirRo 250 25' 100-125iso (example above)
* VitRo 500 40' 64iso
(*) to be calculated : enough developer for the silversalts on the film ???
-----------------------
The VitCa is trickier, because the acidity of the coffee.
I start with 4g Soda (deca) and add 0.5 g / g instant coffee.
VitCa 60 = 7g Soda (deca)
VitCa 90 = 8.5 g Soda (deca)
After the water, the soda, the VitC (0.5g) I add 1cc 0.1% solution of KI (Potassium Iodide)
The VitCa 60 shows less contrast than the 90, perfect for portrait ...
Developing times between 50' and 60' push the PPF about 2x in the 90.
The 60 after one hour seems to reach 64iso (but I only tested with studio light, outside light
needs to be tested).
But should make excellent developers, with fine grain and great tonality and the ability
to push the film without burned-out highlights several stops.
Rob
At the Snaptic Developer Conference I took tons of people shots but this one of Wired's Brian Chen's funky sneakers was my favorite one. Day 147. May 27, 2010.
The developer for the legendary Kodak Technical Pan film. I found this packet (or rather, a whole box of them) about to be thrown away at a camera store.
Darwin CBD, Northern Territory, Australia.
A typical Darwin scene, where developers hold sway.
Some roads may be wholly or partially blocked for days or weeks.
An interesting side issue with exponential development is the almost parasitic growth of the traffic control industry, largely staffed by overseas backpackers (mainly well educated Irish female 20-somethings) who can earn 6 figure salaries.
they both love fixing and remixing things [whether they're broken or not :-]
DVD labeling system from old remixed sewing patterns and
art chair both by jm3
Was a surprise, shock and altogether unsettling to find someone from my project, visiting foss.in !!
Photograph from Great Indian Developer Summit 2010 held in Bangalore, India, 20-23 April 2010, produced by Saltmarch Media. Photograph ©Copyright Saltmarch Media. Non-commercial use permitted with attribution and linkback to this page on Saltmarch's Flickr photostream. All other rights reserved.
Apa kabar semua?
Yahoo! Developer Network datang ke Indonesia!
Rekan-rekan diundang dalam acara Yahoo! Kopi Darat pertama, dimana anda dapat bertemu dengan tim dari Yahoo! dan dapat bertukar pikiran serta mengetahui tentang Yahoo! developer tools. Kami akan berbagi mengenai Yahoo! APIs, web services, dan Blueprint - platform milik Yahoo! untuk mengembangkan dan mendistribusikan pelayanan rich mobile Internet.
Pernahkah teman-teman berpikir untuk memulai menciptakan aplikasi mobile/desktop ataupun pelayanan pencarian pribadi? Inilah kesempatan yang baik untuk mendalami dan mempelajari hal ini lebih jauh dan bertemu dengan para pengembang lainnya!
Come join us for drinks, snacks and Yahoo! merchandise. Sampai jumpa di sana!
Yahoo! Kopi Darat
Tanggal:
21 Maret 2009
Jam:
10.00am - 12:30pm
Pembicara:
Chang Sau Sheong, Engineering Director of SEA
Prashant Kirtane, Global Head of Yahoo! Mobile Engineering
Turochas Fuad, Head of Yahoo! Mobile SEA
Tempat:
Mistere Champagne Lounge
The Ritz-Carlton, Jakarta
Jl. Lingkar Mega Kuningan Kav. E1.1/No. 1
Jakarta 12950
RSVP HERE or email ymda@yahoo-inc.com
Kami juga ada di Facebook!
Bergabunglah di event kami www.facebook.com/event.php?eid=149775460416&ref=nf
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