>> i have wiiped with microfibre glasses celaning cloth and most of oily
>> residue is gone but still some tiny streaks
>>
>> what should i do?
First, don't worry about it too much. Then go to your neighborhood photo
shop and buy some lens cleaning tissue. Put the lens under a strong light.
Breath on the lens a bit and gently wipe the mist off with the tissue.
If you don't have a photo shop handy, get a small package of sterile gauze
and use it instead.
Someone else mentioned the lens pen - it's useful, especially for reaching
into deeply inset lenses, such as binocular objectives, but it costs more
than the tissue, and it's not really necessary.
--
Mike Russell
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