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	Username   Password FM Forum Rules Canon SLRs, primes, and zooms lenses reviews FM Forums | Canon-mount SLRs | Join Upload & Sell   end    1-series viewfinder focus wonky when tilted up, rattling ...

whitewash Offline • Upload & Sell: Off p.1 #1 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? So, like the subject line says... when I tilt my 1D4 up, I hear a rattling sound and the viewfinder image goes way out of focus. When I tilt it back down, another rattle and the viewfinder image stabilizes. Sometimes I need to shake it a bit to make the image stabilize. Actual focus is not affected, only the viewfinder image; i.e., I can trip the shutter, and the photo will come out fine (assuming it was in focus before the tilt or I autofocused before shooting). It's clear to me that something is moving around when it shouldn't, on at least two axes. Has anyone experienced this? Might there be something missing around the focus screen, leaving it some "wiggle room?" Or, yikes, could the mirror be loose? I've taken the body cap off and played "shake, rattle, and roll" with it over my head trying to see what's moving, but haven't been able to see anything out of order yet. I bought it used and still have about a month to send it in for service by the reseller, but I'd hate to do that as it's my main camera, it works perfectly otherwise, and I don't want to be without it. So I'm hoping this is a common, user-serviceable situation I just haven't encountered yet, and someone will make me feel stupid by posting a Youtube link. Come on, Youtube link. Aug 12, 2012 at 03:07 AM

M006 Offline • • Upload & Sell: Off p.1 #2 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? My 1D4, purchased new in March '10, never did this. I'd suspect something loose. Did you look at the focus screen, to make sure that the door/tray (for its removal) is firmly closed? Aug 12, 2012 at 03:17 AM

RogerC11 Offline • • • • Upload & Sell: On p.1 #3 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? +1, check the focus screen. Aug 12, 2012 at 03:29 AM

whitewash Offline • Upload & Sell: Off p.1 #4 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? Thanks for the responses! Since the focus screen notion sounds plausible to both of you, I'm off to find a schematic, a video, or something to see how it fits together. Much appreciated. Aug 12, 2012 at 04:38 AM

EB-1 Offline • • • • • • • Upload & Sell: Off p.1 #5 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? Push up on the frame with a tool or a fingernail. EBH Aug 12, 2012 at 04:40 AM

mttran Offline • • • • • Upload & Sell: Off p.1 #6 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? EB-1 wrote: Push up on the frame with a tool or a fingernail. EBH +1, http://www.focusingscreen.com/work/5d2en.htm Aug 12, 2012 at 05:03 AM

BrianO Offline • • • • • Upload & Sell: On p.1 #7 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? whitewash wrote: ...I'm off to find a schematic, a video, or something to see how it fits together. This may help: http://www.youtube.com/watch?v=szFOsQ4pGWo Aug 12, 2012 at 05:08 AM

whitewash Offline • Upload & Sell: Off p.1 #8 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? Thanks, everyone. The links helped, but it turns out it's not the focus screen or its frame after all. Best guess based on the symptoms and some more searching is the prism, as in the thread linked below. I never dropped mine, but it does have some scratches on the grip -- maybe the previous owner dropped and sold it. http://www.talkphotography.co.uk/forums/showthread.php?t=377554 So it looks like I'll have to bite the bullet and send it in next week, and hope to get it back before my next event. It was worth the check, though, and now I know how to replace a focus screen. Thanks again! Aug 12, 2012 at 05:19 AM

rscheffler Offline • • • • Upload & Sell: On p.1 #9 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? It's the diopter lens that adjusts inside the eyepiece. I had this happen with a 1D3. Aug 12, 2012 at 05:24 AM

whitewash Offline • Upload & Sell: Off p.1 #10 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? rscheffler wrote: It's the diopter lens that adjusts inside the eyepiece. I had this happen with a 1D3. That does make sense. More so than the prism, since it gives a seasick effect if it happens when you're looking through it. Thanks. Aug 12, 2012 at 05:42 AM

kodakeos Offline • • • Upload & Sell: On p.1 #11 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? rscheffler wrote: It's the diopter lens that adjusts inside the eyepiece. I had this happen with a 1D3. Same happened on wifes 1DsII. Canon fixed it for free Aug 14, 2012 at 03:41 PM

EPat Offline • • Upload & Sell: Off p.1 #12 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? I just had that happen on my 1dsMkII... Fixed it myself. Heres a brief post on what happened:http://www.fredmiranda.com/forum/topic/1122928/0#10723787 Just returned from a trip to DC and the camera (and lens) performed flawlessly! Aug 17, 2012 at 05:06 PM

whitewash Offline • Upload & Sell: Off p.1 #13 · 1-series viewfinder focus wonky when tilted up, rattling sound, anyone had this? Bravo, EPat! I started down that path, but stopped after four screws -- this was my main camera and still under the reseller's warranty. Didn't want to void the warranty, especially in case some other problem was lying in wait to show up soon. The reseller RMA'd it back (after five months, one of the many reasons I love them) and will either repair or replace. I was hoping for repair because I love that camera, but they said a replacement is more likely because they have a few of them in stock. In the meantime, my backup body's feeling the love again. Aug 17, 2012 at 05:28 PM

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