2010/7/19 Chris Burck <chris.burck@xxxxxxxxx>: ....> kodak justified the 620 and 616 formats by claiming they would allow for less bulky cameras, but only really ever made one camera to back that up: the Special 620. the monitors, vigilants, seniors, tourists, etc. were all rather bulky compared to their 120 film competitors, such as the voigtlanders....> The original Rolleiflex used 117(B1) film for six 6x6 exposures, 120 film was already in the market but it seems RH wanted to keep the camera as compact as possible and the little 117 film spool was good for the purpose. After the Rolleiflex market success, several users asked about to take more photographs per roll, F&H found that the new 620 film (12 frames 6x6) spools could easily be adapted to use with the camera without exterior changes and then several original Rolleiflexes were adapted for 620 film. It was possible to adapt this camera for 120 film use too, but this conversion with visible exterior changes was more complex and more expensive and then rarer. The 1932 Rolleiflex Standard was prepared to use 117 (B1) and 120 (B2-8) films, it also could use a shorter 120 film (B2-6) for 9 exposures, this model was provided with two red windows to advance the different film sizes, however from 1933 the Standard was only prepared to use 120 film disappearing the red window for 117(B1) film. BTW the Standard could use 35mm film via the Rolleikin and plates and film sheet via the plates adapter. My Brownie Six 20 Target uses 620 film, a sticker notices:"CAUTION This camera does not take 120 film", but I only need a second 620 spool to respool 120 film onto the 620 spools. Carlos --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list