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Thread: Always leave filter on lens as protection?

  1. #1

    Smile Always leave filter on lens as protection?

    Is it a good idea to always leave either a uv or skyligt filter on the lens as a protection for the lens? I hear lots of people recommending that but I thought that adding another glass to the lens will actually deteriorate the optics. Please advise -thanks.

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    Quote Originally Posted by Maxwellian
    Is it a good idea to always leave either a uv or skyligt filter on the lens as a protection for the lens? I hear lots of people recommending that but I thought that adding another glass to the lens will actually deteriorate the optics. Please advise -thanks.
    to me... it is a gd idea... and adding a clear piece of glass does not make much difference to me in the picture quality... at least, i dun see a difference...

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    I think it is a 'must' list. 99% of the lenses you see will have this on them.

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    Quote Originally Posted by White Balance
    If u use a pastic UV filter, it will block a small amount if light enter the lens.

    If u use a high quality lens, u should use glass UV filter instead but it cost more exp.

    It is better to have UV filter on all the time. A lens hook is an additional protection too.
    i use vitacon uv filter... buy 2nd hand dat time the person gv one... haha...

  5. #5

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    its better to 'wear a cap' for protection than to reget it later.

    the cost of repairing a lens may be more expensive than replacing a crack filter.

  6. #6
    Member ltma's Avatar
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    I use B&W UV filter in all my lenses except for the 17-35 mm and 12-24 mm (don't use any filter at all for these lenses).

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    ClubSNAP Idol Adam Goi's Avatar
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    Quote Originally Posted by Maxwellian
    I hear lots of people recommending that but I thought that adding another glass to the lens will actually deteriorate the optics. Please advise -thanks.
    If your lens is a prosumer, i.e. L-glass for Canon, then spend a little more to get a B+W (shouldn't be an issue since you can afford a L). However for dumb people like myself, I doubt I pick up the difference just by looking @ the image ...

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    Quote Originally Posted by White Balance
    If u use a pastic UV filter, it will block a small amount if light enter the lens.

    If u use a high quality lens, u should use glass UV filter instead but it cost more exp.

    It is better to have UV filter on all the time. A lens hook is an additional protection too.
    Got plastic UV filter meh? Where to buy and what brand manufacture this kind of plastic UV filter?

  9. #9

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    leave it on for protection haha....i get some kinnda UV for all my lenses...

    cut off light...TTL metering solves tt

  10. #10

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    Quote Originally Posted by White Balance
    Well, good for u.

    I use B&W UV filter for all my 4 L lens.
    u change to b+w liao? the last time i saw your lens was some $20 filter

  11. #11

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    Quote Originally Posted by Maxwellian
    Is it a good idea to always leave either a uv or skyligt filter on the lens as a protection for the lens? I hear lots of people recommending that but I thought that adding another glass to the lens will actually deteriorate the optics. Please advise -thanks.
    Why not shoot 2 same scene with/without filters, blow up 20x30 and then see if there're differences?

  12. #12

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    Quote Originally Posted by White Balance
    Well,

    I use Hoya filter (I think it is make of plastic loh) before I change to B&W (glass)

    U can get it from most well know camera shop. I got my at CP.
    Wah liew, hoya also use glass lah. Well, at least i haven't seen the plastic ones yet.

  13. #13

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    Quote Originally Posted by ltma
    I use B&W UV filter in all my lenses except for the 17-35 mm and 12-24 mm (don't use any filter at all for these lenses).
    Why dont you use filters on the '17-35 mm and 12-24 mm' ? Does it spoil the images??

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    i must be the 1% who dun bother

  15. #15

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    Quote Originally Posted by White Balance
    Is it ? Maybe tonight I take one Hoya UV filter and crack it to find out loh.

    Thanks for pointing out
    I have dropped and cracked Hoya filters many times... definitely glass

  16. #16

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    Quote Originally Posted by JAG
    Why dont you use filters on the '17-35 mm and 12-24 mm' ? Does it spoil the images??
    Some filters will cause vignetting... especially wide angle lenses. 17-35 definitely have.

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    why put a cheapo piece of glass over a $1000+ lens?

    Quote Originally Posted by Maxwellian
    Is it a good idea to always leave either a uv or skyligt filter on the lens as a protection for the lens? I hear lots of people recommending that but I thought that adding another glass to the lens will actually deteriorate the optics. Please advise -thanks.

  18. #18
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    Quote Originally Posted by nickk
    Some filters will cause vignetting... especially wide angle lenses. 17-35 definitely have.
    What makes u say that? I am using 77mm L37C UV on Nikkor AFS 17-35 without problems.

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