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Tomw
Tinkerer
Username: Tomw
Post Number: 15
Registered: 03-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, April 06, 2012 - 11:29 am: | 
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I recently bought an XD11 that functions very well. The focusing screen is very clean - when I look through the viewfinder, the image is very clear and bright. If I hold the camera away from my eye several inches and look through the viewfinder, there is a series of vertical brown smudges down the middle. My guess is that something is collected on the central top edge of the prism. Has anyone else experienced this problem? Can the prism be removed and cleaned? Is it worth the trouble? |
Mndean
Tinkerer
Username: Mndean
Post Number: 277
Registered: 08-2007
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, April 06, 2012 - 01:43 pm: |
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Whether it's worth the trouble or not is up to you. You're going to have to remove the top cover and the flex circuit board to get to the prism. Personally, I'd pass until/unless it has worse problems than you describe. I have an XE-7 that has a prism with the slightest bit of desilvering around the bottom edge of the image and even though I have a replacement at hand, I'm leaving it alone until it gets worse. |
Thepurush
Tinkerer
Username: Thepurush
Post Number: 30
Registered: 01-2012
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, April 07, 2012 - 12:34 pm: |
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luckily XD-11 is different. You can clean the prism without removing the top cover. Remove lense and u will find a small half circular plate on top held in place by 2 small screws. Open these scres and remove plate. You will now sa tounguw which is extension of the groundglass. Carefully remove the ground glass and with a lense cleaning brush you should be able to clean the prism. But make sure you will proably make llose some old sponge which will spill allover the prsim.
Please let me know if you hv he problem and I will send u necessary insuctions from manual. |
Tomw
Tinkerer
Username: Tomw
Post Number: 16
Registered: 03-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, April 23, 2012 - 08:00 am: |
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Thanks for the responses! If it is desilvering, as you've suggested, it sounds like it would require replacement not cleaning. As I have no backup, I've decided to leave it be for the time being. If it gets worse, I'll track down a parts camera and take it from there. Thanks again! |
Mndean
Tinkerer
Username: Mndean
Post Number: 279
Registered: 08-2007
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, April 23, 2012 - 04:18 pm: |
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Thepurush is right that the screen is removable on the XD-11, which will give you access to the part of the prism that faces said screen. If the mess is there, it's not a big deal to clean it at all. Depends on what those "smudges" you see really are. If they're on the screen not the prism, take care in how you clean it, replacement XD screens are very hard to find. |
Thepurush
Tinkerer
Username: Thepurush
Post Number: 34
Registered: 01-2012
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, April 25, 2012 - 08:45 am: |
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If you atttempt to clean prism as i said above, I would advise you to first remove focus screen then keep camera bottom up/prism down position and cover the prism surface with a soft tisue paper, then examine first if thre is any loose sponge around the prism. get rid of all this sponge before you clean screen. Else you might endup with loose sponge all over prism which is more difficult to get rid of. |
