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10-01-2013, 10:15 AM   #1
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k5 focus lens

hi forum members is it easy to take out focus lens as it has some particles on it, and what do you clean it with

10-01-2013, 10:19 AM   #2
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They are easy to take out but you have to be careful not to damage it.
If you want to clean it you should only blow it with a bulb blower, anything else will scratch it.

My opinion is that I would rather live with a few specs on it than chance damaging it and have to buy a new one.

The only reason I would have to take it out is to replace it with a different design.

See http://www.focusingscreen.com/work/k7en.htm
10-01-2013, 10:26 AM   #3
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QuoteOriginally posted by crewl1 Quote
They are easy to take out but you have to be careful not to damage it.
If you want to clean it you should only blow it with a bulb blower, anything else will scratch it.

My opinion is that I would rather live with a few specs on it than chance damaging it and have to buy a new one.

The only reason I would have to take it out is to replace it with a different design.

See --Pentax K5/K7/K10D/K20D/ISTD Focusing Screen Installation Instruction--
thanks for the advise i will probable leave it for now,how do the particles get in there
10-01-2013, 10:40 AM   #4
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QuoteOriginally posted by ttpowered Quote
thanks for the advise i will probable leave it for now,how do the particles get in there
Usually happens when changing lenses in dusty environments. Same as how dust gets on the sensor.

Never hold camera face up when changing lenses, and do it quickly to lessen dust issues.

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