Recent content by PetrL

In the Rollei Werke service manuals there is a reference to Synthetic - Oil 9010, which refers to the synthetic watch oil Moebius 9010 https://www.moebius-lubricants.ch/en/products/oils

You piqued my curiosity, so I did some research. I found out that Nyes is an American lubricant manufacturer (https://en.wikipedia.org/wiki/William_Foster_Nye), unfortunately there is no mention of Astro Batch on their website. MIL-L-3918 is a military standard, or specification for jewel...

Téměř jistě se jedná o „celou desku“, někdy také nazývanou „plná deska“, tj. 6,5"x8,5" (cca 165 x 216 mm). Někde jsem četl, že tyto staré filmové rozměry se v Japonsku používaly až donedávna. Možná proto jsou tak často k vidění v různých aukcích...

According to the manufacturer's technical data sheet, it is evident that fomapan 400 ISO400 does not achieve. It's probably "best" in Microphen, where it reaches about ISO 320 with recommended processing. https://www.foma.cz/en/fomapan-400

According to the attached catalog, a 760mm bellows extension is required for the Symmar 360 and using only the rear lens element.

The largest was for paper format 24" x 20" (60cm x 50cm): https://web.archive.org/web/20031216135150/http://www.photonbeard.com:80/cat292.cfm

https://sl66.rolleigraphy.eu/sl66lenses.php