Guest d.sge Posted October 11, 2015 Share #1 Posted October 11, 2015 Advertisement (gone after registration) Hello, I recently noticed that my still under warranty's MP rewind knob will spin a bit when I let go of it while rewinding a roll of film. It could be that it has always done that, but I do not recall that being the case. Experiences would be appreciated before I get in touch with Leica NJ tomorrow. Regards, Daniel Link to post Share on other sites More sharing options...
Advertisement Posted October 11, 2015 Posted October 11, 2015 Hi Guest d.sge, Take a look here MP Rewind Knob. I'm sure you'll find what you were looking for!
earleygallery Posted October 11, 2015 Share #2 Posted October 11, 2015 My M2 rewind knob - same type - doesn't spin. I thought that was the idea of its design, to 'hold' the slack. Link to post Share on other sites More sharing options...
Guest d.sge Posted October 11, 2015 Share #3 Posted October 11, 2015 Good to know, and that could be. I appreciate the more rigid design regardless. Link to post Share on other sites More sharing options...
earleygallery Posted October 11, 2015 Share #4 Posted October 11, 2015 Yes, i prefer it to the later crank style. Link to post Share on other sites More sharing options...
Guest d.sge Posted October 11, 2015 Share #5 Posted October 11, 2015 Indeed. Though I haven't yet, I always feel like I'm going to break my M6 and M4-2 mid-rewind. Incidentally, they spin, too. Perhaps my big, clumsy thumbs have disengaged something on all of them. Link to post Share on other sites More sharing options...
pico Posted October 11, 2015 Share #6 Posted October 11, 2015 So the MP rewind has a clutch? Link to post Share on other sites More sharing options...
Guest d.sge Posted October 11, 2015 Share #7 Posted October 11, 2015 Advertisement (gone after registration) Don't all film M's, effectively, in the form of the rewind lever? Based on James' post, it appears MPs (M2s, M3s, M6 Milleniums) also have an emergency parking brake. Link to post Share on other sites More sharing options...
250swb Posted October 11, 2015 Share #8 Posted October 11, 2015 All knob rewind M's should have some clutch action if well serviced. But realistically it is a bit of a hit and miss affair where different types of film can act against it as a bigger spring acting in the other direction. Steve Link to post Share on other sites More sharing options...
Guest d.sge Posted October 11, 2015 Share #9 Posted October 11, 2015 Is it thicker emulsions that would more likely cause this to happen? Both Portra 160 and HP5+ (the only two films I use) have been tested. Link to post Share on other sites More sharing options...
Abram Posted October 12, 2015 Share #10 Posted October 12, 2015 Neither my M2 or M4-P hold the film if the knob rewind slips from my fingers while winding. Link to post Share on other sites More sharing options...
philipus Posted October 12, 2015 Share #11 Posted October 12, 2015 I'd venture a guess something's wrong. Reminds me of this old Puts review (under "Internal changes"). Fwiw, my Millennium has this braking mechanism too. Link to post Share on other sites More sharing options...
Stealth3kpl Posted October 12, 2015 Share #12 Posted October 12, 2015 I have one MP that spins and another that doesn't. It's a bit disappointing since each were serviced within the last 2 years by Leica themselves. Rather than send it back I just stick a finger or thumb beneath the knurled knob to stop it spinning between twists. pete Link to post Share on other sites More sharing options...
pinchers of peril Posted October 12, 2015 Share #13 Posted October 12, 2015 Yeah I was under the assumption that the MP knobs weren't supposed to spin. If I'm rewinding my M6 and lose my grip on the crank, that thing spins like helicopter blades. Link to post Share on other sites More sharing options...
TomB_tx Posted October 12, 2015 Share #14 Posted October 12, 2015 Use an M5. Its large rewind crank ratchets when folded out so it can only turn the right way! Link to post Share on other sites More sharing options...
Guest d.sge Posted October 13, 2015 Share #15 Posted October 13, 2015 My girlfriend likes the M5 idea. I doubt I'd get to use it much. Link to post Share on other sites More sharing options...
Guest d.sge Posted October 13, 2015 Share #16 Posted October 13, 2015 Thanks, all, for sharing your knowledge on the matter. Link to post Share on other sites More sharing options...
menos I M6 Posted November 4, 2015 Share #17 Posted November 4, 2015 M2: nice, tight clutch - very little axial play, clutch holds film mid-roll without spinning M3: see M2 (identical) MP: axial play when extended for rewind, does not hold the film mid-roll, will spin if not held with one finger while rewinding I once showed my MP to a tech in Wetzlar and asked about this - describing that I had to hold the knob while rewinding or the film will spin the knob and described how nice and tight my M2 works - it was recommended to leave it as is, as it was working as expected. My impression is that it is hit and miss but one could surely ask an independent tech to adjust the rewind mechanism to taste (probably involving changing the entire rewind assembly under the rewind knob - hence the don't bother "it works as expected" comment I guess). Link to post Share on other sites More sharing options...
earleygallery Posted November 4, 2015 Share #18 Posted November 4, 2015 Just to confirm, I was using my M2 the other day and made a point of checking this - the rewind knob does NOT allow the film to slacken off during rewinding as I first said. I seem to remember the M3 I had did the same. If your rewind mechanism isn't holding the slack I'd suggest that it maybe needs adjustment. Link to post Share on other sites More sharing options...
wattsy Posted November 4, 2015 Share #19 Posted November 4, 2015 The M bodies aren't made like they used to be. My experience of the contemporary bodies is that the rewind knob thing varies from body to body. Link to post Share on other sites More sharing options...
earleygallery Posted November 4, 2015 Share #20 Posted November 4, 2015 I'd be disappointed if I bought a new M-A or MP and it wasn't the same as the M2 rewind - I actually prefer it to the later 'normal' style rewind which you have to keep hold of or start winding up the slack again! Link to post Share on other sites More sharing options...
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