原文為dchome討論區文章，一早就因dchome執笠而散失。還好wayback machine備份了，我把它抄出來，希望對現今底片攝影愛好者有用吧。
另外，一些資料亦會重新再開新post歸類。
因film及黑房前途未卜,
去Library也找不到很多以前看過的書,
看Net net 找到的一些祖國internet 資料,有些很錯,有些又似是而非.
蔣老師又比較專注film而少說其他,
在香港買黑房用品又越來越難. 黑白沖印又不知能生存到何時.
希望集思廣益,拋磚引玉,
在有film供應下,起碼能DIY 沖晒……….
會不定期加資料,更歡迎各友好提供資料.
在計算化學用品補充及重用次數時, 以下大致相等.
1 x 35mm roll, 36 exposures
1 x 120 roll
4 x 4×5 inch sheets
2 x 5×7 inch sheets
1 x 8×10 inch sheet
Solvent Developer Formula.
Kodak D76 (ILford ID-11) Formula
750ml Water at 52 degree C
2g Metol
100g Sodium sulfite anhydrous
5g Hydroquinone
2g Borax decahydrate
cold water to make 1 litre.
May keep 6 months but recommend using ASAP.
D-76d Later Formula modification.
750ml Water at 52 degree C
2g Metol
100g Sodium sulfite anhydrous
5g Hydroquinone
8g Borax decahydrate
8g Boric Acid
cold water to make 1 litre.
D76c Low and Normal contrast version (I like it very much, can achieve super fine grain)
750ml Water at 52 degree C
2g Metol
100g Sodium sulfite anhydrous
5g Hydroquinone
2g Borax decahydrate
1g Potassium Bromide
0.04g Potassium Iodide
cold water to make 1 litre.
D-76h (TD-16) Simple version
750ml Water at 52 degree C
2.5g Metol
100g Sodium sulfite anhydrous
2g Borax decahydrate
cold water to make 1 litre
Kodak D23
750ml Water at 52 degree C
7.5g Metol
100g Sodium sulfite anhydrous
cold water to make 1 litre
Hypo Clearing Agent Formula.
750ml water at 52 degree C
200g Sodium Sulfite Anhydrous
15g Sodium Bisulfite
Cold water to make 1 litre
dilute 1:10 to make working solution
Acidic Fixer ATF-1 Formula
Working Solution
700ml water
185ml Ammonium thiosulfate (57-60%)
12g Sodium sulfite anhydrous
9ml Acetic Acid Glacial
7.5g Boric Acid
Water to make 1 litre.
Stock Solution
740ml Ammonium thiosulfate (57-60%)
48g Sodium sulfite anhydrous
36ml Acetic Acid Glacial
30g Boric Acid
Water to make 1 litre.
Dilute 1:4 to working solution.
Optional Hardener
50g Alumium chloride, Hexahydrate
water to make 100ml
if desired, add 25ml of the hardened solution to 1 litre of fixer working solution.
Useful Links
Film and development time Technical Data
http://www.freestylephoto.biz/techtips_det.php?id=4
Various Chemical formula sites
http://www.jackspcs.com/index.htm
Black and White Slide Chemical Formula and processing method.
http://www.tech-diy.com/reversal_formulas.htm
Hungary Black and White Film Producer.
http://www.forte-photo.net/e/bwfilm.htm
Large format DIY
http://www.largeformatphotography.info/darkroom-primer.html
http://www.largeformatphotography.info/alternative-developing
two bath developing
http://www.largeformatphotography.info/twobath/
Large format DIY
http://www.largeformatphotography.info/darkroom-primer.html
http://www.largeformatphotography.info/alternative-developing/
黑白放大
http://www.geocities.com/SoHo/Exhibit/6293/dark2-3.htm
http://www.geocities.com/SoHo/Exhibit/6293/dark2-4.htm
但不一定要2度fixer.FB紙比RC紙要較長的fixer時間.2度fixer只為省藥水,
http://www.geocities.com/SoHo/Exhibit/6293/darkroom.htm