mirror cleaning

Archived from groups: rec.photo.digital (More info?)

grrr wrote:
>i have read a great deal about sensor cleaning (the thought of which
> makes me shudder) but the problem i have is dust specks on the mirror,
> i realise that it is a very sensitive surface is there any particular
> "safe" method of cleaning it. I realise that dust on the mirror will
> not create problems with images, however, other than bugging me is the
> fact that the dust could move around to less desirable places. Would
> appreciate your feedback


Are you sure there IS a speck of dust on the mirror? Can you see it
through the viewfinder? If so it is NOT on the mirror. It is above the
mirror and I would leave it alone, but you may be able to clean it, I
suggest a puff of air from a clean ear syringe. Note: you may just move it
around so it lands on the sensor and you don't want that.

--
Joseph Meehan

Dia duit

Archived from groups: rec.photo.digital (More info?)

"RM" <rainmen1956@yahooREMOVETHIS.com> wrote in message
news:zmkqe.7158$hk.133222@twister.southeast.rr.com...
> grrr wrote:
>> i have read a great deal about sensor cleaning (the thought of which
>> makes me shudder) but the problem i have is dust specks on the mirror,
>> i realise that it is a very sensitive surface is there any particular
>> "safe" method of cleaning it. I realise that dust on the mirror will
>> not create problems with images, however, other than bugging me is the
>> fact that the dust could move around to less desirable places. Would
>> appreciate your feedback
>>
>
> If you see it clearly, the dust is almost certainly on the focusing screen
> (above the mirror). Don't use a blower - you WILL likely just move the
> dust somewhere else.
>
> I have a pair of brushes I picked up on eBay for sensor and mirror box
> cleaning. In the process of keeping the mirror box clean, I give the focus
> screen a gentle swipe or two as well. This keeps the dust off of it, and
> keeps those irritating specks from obstructing your view. The brushes do a
> great job on the sensor as well.
>
> You should be able to find the brushes with an eBay search on 'sensor
> brush'. About $15 a set, delivered, as I recall.
>
> RM


critcher wrote


you have to remember that the specks are on the focusing screen or the
mirror, and unless they are very large (they affect exposure or focus) they
will not affect the picture one iota.
Having said that there is nothing more annoying than black specks on the
screen.
One DONT, do not use a cotton bud to clean the screen , you will end up with
loads of strands of cotton on the screen.