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Thread: Lens: to clean or not to clean

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    Member flake's Avatar
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    Lens: to clean or not to clean

    Hi all, this is my first post in this forum and I am quite new in photography.

    I bought my camera around a year ago and didn't put any filters on my two lenses due to lack of knowledge. Since then I have managed to put some dust and 'light' smudge on the lenses but I don't actually notice that it affect the picture quality.

    Now that I have bought filters on both of them, should I clean my lenses? The reason I ask is because I am afraid that cleaning up lens will do some damage to it. And the fact that I don't notice any impact on the picture, I am not sure if I should clean it. Wondering if dust and smudge will eventually getting harder to clean if I leave it there for a long time.

    Please advise. Thank you.

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    It's all about the Light!
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    G'Day & Welcome - lets see some images in the main forums and have fun!

    This explains it... http://www.ausphotography.net.au/for...ad.php?t=24526
    regards, Kym Gallery Honest & Direct Constructive Critique Appreciated! ©
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    Hi Kym, thank you for your reply. I have read that post before I posted my question. But that post didn't say anything about whether I should clean my lens. But now as you pointed me to it, I take it you suggested me to clean my lenses?

    Cheers,

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    It's all about the Light!
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    Yes! Its pretty simple.

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    Yes, clean your lenses. Leaving dirt and smudges and grease on them can damage the coatings just as much. Just make sure you get a decent cleaning kit (they are fairly inexpensive) and tread lightly when wiping.
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    Ausphotography Regular wideangle's Avatar
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    In the future put a filter on if you are worried so then you don't ever have to clean your lenses. If you don't want to use filters then clean them only every now and again, as constant cleaning can ruin the optical surfaces. There is always going to be dust floating around on your lenses if you look close enough, but it's not going to come out on photographs. I have seen someone (cannot remember the website) who proved the point by sticking a grain of rice on the lens and shooting with it - couldn't see it. Everything in moderation.
    please ask before PP my images

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    I only just started myself and read somewhere just get a UV filter for the lens I always use. When I start using more lens I'll put a UV filter on it to.

    The only time the filter comes off is when am swapping to use a different filter which I only just purchased.

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    Quote Originally Posted by wideangle View Post
    In the future put a filter on if you are worried so then you don't ever have to clean your lenses. If you don't want to use filters then clean them only every now and again, as constant cleaning can ruin the optical surfaces. There is always going to be dust floating around on your lenses if you look close enough, but it's not going to come out on photographs. I have seen someone (cannot remember the website) who proved the point by sticking a grain of rice on the lens and shooting with it - couldn't see it. Everything in moderation.
    But then you have to clean the UV filters ?

    Can you substantiate the theory that "constant cleaning can ruin the optical surfaces" ?
    Darren
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    Ausphotography Veteran Speedway's Avatar
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    I used UV filters until I saw the damage caused to a lens by one breaking after a light knock. I prefer lens hoods for protection and use a lens pen I keep in my pocket for cleaning when needed.
    Keith

    Canon 400D Gripped, Canon 7D LCD Timer Gripped, Canon 70-200 f2.8L is ii. Canon 2X iii Extender, Canon 50mm 1.8, Sigma 150-500, Sigma 18-250, Sigma 17-50 F2.8, Sigma 10-20, Tamron 90mm Macro, Yonguno YN460 & 460ii Speedlights and a Hanimax TZ 1 Flash, Wireless Triggers ,LED Macro Ringlight, Extension Tubes, 3 tripods, 2 monopods, PS Elements 5 & 10, PSP9 and canon s/ware, various filters and other photographic paraphernalia all packed in a computrecker backpack + 3 smaller bags and an aluminium case.

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