|30-11-15||New product: SPUR Ultrafix A
Alkaline Fixer for BW Films and Papers
To complement our product range, this autumn we have developed a new, alkaline fixer as a counterpart to our acidic fixer Ultrafix N.
© 2015 Heribert Schain. All rights reserved. Ultrafix A – alkaline fixing agent. Ultrafix N – acidic fixing agent. Please click on the photos to enlarge
SPUR Ultrafix A (“A” meaning: alkaline) is an alkaline fixer for BW films and papers. It is odourless and can be used for all customary BW fixing purposes. SPUR Ultrafix A features a high capacity and high fixing speed, which makes for, and ensures, full fixing of films and papers even with short processing times.
Due to the alkaline pH value of the working solution, you must always use a stop bath with Ultrafix A. We recommend our pristine SPUR Stopbad (formerly: SPUR “Unterbrecherbad”).
New! Data Sheet SPUR Ultrafix N and SPUR Ultrafix Plus H SPUR Ultrafix N is an acidic fixer and hardener for BW films and papers. It can be used for all customary BW fixing purposes. SPUR Ultrafix N features a high capacity and high fixing speed, which makes for, and ensures, full fixing of films and papers even with short processing times. Dilution for films: 1+4 to 1+7. Dilution for papers: 1+7 to 1+9. SPUR Ultrafix Plus H is a hardening additive for SPUR Ultrafix N, which is added to the working solution.
Dream Combination Kodak Tri-X 400/ SPUR SLD
SPUR users may give us feedback on their results and tell us about so-called dream film/ developer combinations they have found. Established dream combinations are e.g. Kodak Tmax 400/ SPUR HRX, Fuji Acros 100/ SPUR SD 2525, Rollei RPX 25/ SPUR SD 2525 and Rollei Ortho 25/ SPUR ACUROL-N.
Now we would like to tell you about a dream combination that is not so well-known but is preferred by some users due to its especially good results.
The combination concerned is Kodak Tri-X/ SPUR SLD. About six months ago Ralf Sänger told me that he had never gotten to terms with Tri-X, no matter which developer he had tried, and so he never used this film.
We recommended SPUR SLD for developing Tri-X. Now he constantly uses this combination. This year, after his holiday in Brittany France, we got the following e-mail by him:
Ralf Sänger has made some photos of his available for us to publish. As he uses a condenser for enlarging, he exposes the film at ISO 1000/31° and develops it as indicated for ISO 800/31° in the Push Developing Chart for SPUR SLD (without Push-Master). His developing time he is slightly shorter: 11.5 min. We think the results are great.
© 2015 Ralf Sänger. All rights reserved.
Kodak Tri-X 400, exposed as ISO 1000/31°, developed as ISO 800/30° according to the Push Developing Chart for SPUR SLD
|09-11-15||Updated High Resolution Guideline by Heribert Schain
A guideline on high resolution photography was published on the SPUR website for the first time in 2006. The author of the guideline was Heribert Schain. Two weeks ago, we posted a newly updated version, which is now available for download in English. The text provides a sound knowledge base on high resolution photography in the form of a mini compendium.
|22-09-15||SPUR High Resolving Power Photography: New Developing Techniques
Now Easy Handling And Handsome Price Reduction
SPUR B/ W High Resolving Power Photography
High resolving power microfilms have been opened up for pictorial photography by SPUR for 25 years now. It is on account of an increase in speed of up to ISO 50/ 18°, a huge exposure latitude of 12 to 14 stops, high tonality and an all-time resolution even from the point of view of digital photography that high resolving power microfilms plus the corresponding developers manufactured by SPUR have increasingly found their way into users‘ darkrooms.
After intensive research and developing leading to new findings about developing processes we have succeeded in radically facilitating and improving the previous, exacting developing techniques for microfilms. Therefore we now present the new SPUR SL developing techniques. “SL“ means “shelf life“, pointing to the much improved storage life.
The advantages of the new SPUR SL developing techniques are the following:
For the pictorial development of the currently available microfilms we now offer three new, SPUR SL developers matched to the emulsions of microfilms:
1. SPUR Dokuspeed SL for the development of SPUR DSX/ Agfa Copex Rapid film
The previous product SPUR Modular UR New is as of now no longer available.
|28-04-15||New Data Sheet and Dev Chart for SPUR SD 2525 sharpness developer. SD 2525 boasts approximately the same sharpness, yet is more fine grained than SPUR ACUROL-N. Times for out of date films such as eg Efke 25 and 50, Agfa APX 100 and 400 were removed, and new times for modern bw films were added including AgfaPhoto 100 New and 400 New, Kentmere 100 and 400, Adox Silvermax and CHS 100 II amongst others. A new inversion tact (once a minute) brings about higher speed in some emulsions, eg Kodak Tmax 100, Ilford Delta 100 and 400.|
|28-01-15||Data Sheet SPUR Push-Master: Push-Additive for SPUR SLD
Due to its relatively soft mode of action and despite its very high speed utililisation, there are various soft emulsions which are not suitable for being pushed with SPUR SLD. To achieve very high push speeds when using SLD even with those films, we have conceived and brought on the market the new product SPUR Push-Master.
|16-10-14||New SPUR SLD dev chart with new times and a new inversion tact: 30 secs permanently, and once per min thereafter|
|09-08-14||Film Speed – Ads vs Reality An enlightening article by Heribert Schain|
|27-05-14||New Data Sheet SPUR ACUROL-N When a dev chart was established for ACUROL-N, times for AGFA APX 100, Rollei Retro 100 and AGFAPHOTO APX 100 NEW were the same as all three films were the same emulsion. In the meantime the emulsion of AGFAPHOTO APX 100 NEW has changed, while the other two films have remained the same. Please refer to today’s newly updated dev chart when developing AGFAPHOTO APX 100 NEW in SPUR ACUROL-N except if using old stock.|
|10-05-14||New Data Sheet SPUR Ultraspeed Vario with new times for Ilford Delta 100, Ilford Delta 400 and Kentmere 400|
|02-05-14||Data Sheet SPUR HRX and new Developing Chart HRX with times for Fomapan 100 and Rollei RPX 25|
|01-05-14||New Data Sheet SPUR Ultraspeed Vario|
|25-04-14||Data Sheet SPUR Ultraspeed Vario|