Any linear polarized filters which dont reduce light transmission so much?

Discussion in 'Photography Equipment & Products' started by cr500, Nov 2, 2016.

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  1. cr500

    cr500 TPF Noob!

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    I have read about Hoyas new circular polarizing filters which they claim allow more light transmission than other filters, only needing 1/2 to 1 stop extra. Does anyone know who makes a good quality linear polarized filter which doesn't reduce light transmission 1.5 to 2 stops like most seem to?
    I was looking for a 52mm filter first, then if it works well, maybe a 62 and 85mm filter.


     
  2. astroNikon

    astroNikon 'ya all Bananas I tell 'ya Supporting Member

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    Are you thinking of using a linear polarizer for a digital camera?
    My understanding is a linear polarizers cause issues with auto focus issues on digital cameras as they were made for film cameras .
     
  3. cr500

    cr500 TPF Noob!

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    I should have clarified I will not be using it a digital due to the havoc the linear polarizers apparently play with the sensors.
     
  4. petrochemist

    petrochemist TPF junkie!

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    You understanding is slightly incorrect.

    It's Phase AF that's messed up by linear polarizers, this is the case for both film & digital. Contrast AF is unaffected as where manual focus tricks in old viewfinders.
    I believe some SLRs also can have their light meters confused.

    A theoretically perfect polarizer should on average reduce the light by 1 stop, though the exact amount would depend on the amount of reflections etc & the orientation of the filter. If Hoya's new filter is consistently below this it must let through large amounts of light polarized in the direction it's supposed to be blocking.
     
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  5. cr500

    cr500 TPF Noob!

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    .[/QUOTE]


    A theoretically perfect polarizer should on average reduce the light by 1 stop, though the exact amount would depend on the amount of reflections etc & the orientation of the filter. If Hoya's new filter is consistently below this it must let through large amounts of light polarized in the direction it's supposed to be blocking.[/QUOTE]
    I see your point. So a linear polariser which requires 1 stop is as good as we would be looking for. Any idea who makes something like this?
     
  6. chuasam

    chuasam Been spending a lot of time on here!

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    Linear Polarizers work perfectly well with Mirrorless cameras
     
  7. petrochemist

    petrochemist TPF junkie!

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    They work but for the cameras such as the latest OMD that have Dual AF, only the contrast AF will work, slowing down focusing.
     

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