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filters

Discussion in 'Photography & Camera Basics Forum' started by LYNN GRIFFITHS, Jun 12, 2018.

  1. LYNN GRIFFITHS

    LYNN GRIFFITHS Old Hand

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    i have just bought a filter for the end of my fixed lens. ( sony cyborshot ). i ask anyone, does one leave these on all the time?
     
  2. mikew

    mikew Always on

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    It depends on which filter and who you listen to:D if its a protection filter some say yes some say no.
     
  3. Hatter

    Hatter Always on Premium Member

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    I have a "skylight" filter permanently attached to each of my lenses for protection.
    Some people think that degrades the image slightly though...
    (Not really an issue at my standard!)
     
  4. rebel06

    rebel06 Without a cause Moderator

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    What filter is it Lynn
     
  5. LYNN GRIFFITHS

    LYNN GRIFFITHS Old Hand

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    its a HOYA 55M UV(C) DIGITAL SCREW IN
     
  6. rebel06

    rebel06 Without a cause Moderator

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    Ok, as said above some always leave them on .... others never use them .... the choice is yours
    Benefit ..... .protects the lens glass and sometimes cuts down on glare.
    Detriment .... can reduce picture quality (depending on cost/quality of filter)

    Paul
     
    LYNN GRIFFITHS likes this.
  7. Mark 1

    Mark 1 Always on

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    I always have a UV or clear filter on expensive glass for protection and weather proofing but I do buy very good quality ones so as not to affect the image
     
  8. mikew

    mikew Always on

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    If you do leave one on make sure you use your lens hood, filters are a bit forward of the front element so can pick up flare easier if no hood is fitted.
     
    LYNN GRIFFITHS likes this.
  9. gaelldew

    gaelldew Always on Premium Member

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    Never bother with UV, leave the lens hood on for protection, its like the old question Nikon or Canon.
     
    Haripaul and photodiva like this.
  10. photodiva

    photodiva Here a lot

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    I agree. I have good lenses, never bother with UV filters. If you want to spend your money, the choice is yours.
     
    Haripaul likes this.
  11. Petrochemist

    Petrochemist Always on

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    I used to shoot film (where they make a difference), so started off with UV filters on my lenses.
    Having heard of a few cases where broken filters ruined lenses that would have survived fine without a filter, I now I only fit a filter when I need one.
    It's very rare for a UV filter to be any use, but sometimes they hold a homemade Bokeh mask in place :)

    It's not been mentioned in this thread so I'll point out that unlike film digital cameras have very little response to UV. They have an internal filter that blocks UV very successfully.
     
    LYNN GRIFFITHS likes this.
  12. MikeB

    MikeB Always on Premium Member

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    Keeping the lens hood on is always a good idea, even so I use a protective filter (UV or clear) on all my lenses all the time.

    Dropping any lens from any height that will break the protective filter will likely damage the alignment of the lens elements and/or lens groups. For that reason I do it less to protect the lens from damage due to dropping than from damage by handling. Protective filters protect the lens from rain and splashes (making it more water resistant), from salt spray or that nasty combination of salt spray and sand at the beach, eliminates fingerprints from the front lens element, makes it easier to clean the lens, and reduces the risk of scratching the front lens element while carrying or working with the camera.

    Using an inferior filter will reduce contrast, increase flair, and reduce image quality. Using high quality filters will theoretically reduce image quality but this has never been proven or documented.
     
  13. ed taylor

    ed taylor Super Ed Super Moderator

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    I always use a filter. I feel safer with one fitted. Also I prefer to clean a filter than the lens front element.
     
    LYNN GRIFFITHS likes this.
  14. Ozzie_Traveller

    Ozzie_Traveller Here a lot Premium Member

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    G'day Lynn

    I am pleased to hear that your camera's lens allows filters [not every superzoom does this] and that it is of 55mm diameter [same as mine]

    Whether or not you continue with the UV filter, this option opens the door to several exciting possibilities for you ... just as though you had a dSLR lens as well. These options are a) a polarising filter, and b) a close-up lens

    The Pola filter's job is to darken skies and remove reflections from glass & water [but not metal]. The filter is made from 2 pieces -- the glass bit and the mount. You put the filter onto the camera's lens, then rotate the glass bit in its mount to set the pola filter to its maximum effectiveness - and you will see it change as you look thru the viewfinder

    With closeups - most cameras when the 'little flower' for closeups is activated, force the lens into 1x to 3x zoom -or- as the zoom is used for a bigger image, the closest focus distance increases as well, making it hard to get bees & other insects or inside flowers etc.

    The Closeup Lens is a special lens for us, as it takes over focussing from the camera - all closeup lenses have their own focus distance and the one I suggest for you is called a "Canon 250D" lens which focuses at 1/4-metre / 10 inches. The magic of these lenses is that the zoom is not interrupted - you still have full zoom from that 1/4-metre away from the subject ... and with your camera's beaut zoom, you will be able to get some very small stuff quite sharp in the frame

    Each of the 2 above will cost you about 75 pounds
    Hope this helps
    Phil from the great land Downunder
     
  15. Petrochemist

    Petrochemist Always on

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    I find polarisers do much more than just the obvious reducing reflections. Even in that role they reduce reflections from leaves etc boosting the saturation of many parts of the scene.
    On occasion rotating them 90 degrees to boost reflections can be very effective.
    With a second (linear) polariser they can be used to make a variable ND control (not good for wide angle lenses) or even to view the stress patterns in plastics by having the subject between crossed polarisers:
    [​IMG]stressed stencil by Mike Kanssen, on Flickr
    (That shot was using an LCD screen to provide polarised light)
     
  16. Ozzie_Traveller

    Ozzie_Traveller Here a lot Premium Member

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    G'day Mike

    Yes all good mate - we do this type of photography during our Adult-Ed photo workshops ... good fun for weekender's. However in my earlier suggestion for the O.P I didn't want to deviate too far from the everyday

    Phil from the great land Downunder
     

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