Hoods: Petal or round?

Discussion in 'Photography Beginners' Forum' started by JClishe, Jul 20, 2009.

  1. JClishe

    JClishe No longer a newbie, moving up!

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    I did a lot of outdoor shooting over the weekend and got a lot of lens flares, so I think it's time for a hood. Question though, is there an advantage of petal shaped or round hoods? Isn't a petal hood a disadvantage if you hold your camera in portrait orientation, as then the short "petal" would be on top and less effective for blocking sun?

    Jason
     
  2. tirediron

    tirediron Watch the Birdy! Staff Member Supporting Member

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    Petal hoods are designed to give the maximum effect, especially on wider-angle lenses. You're right, in portrait orientation, you'll have the small 'petal' on top. You could consider a full, round hood or (if you can) rotating the petal hood by 90 degrees, but your risk vignetting.
     
  3. Jaszek

    Jaszek No longer a newbie, moving up!

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    Petal hoods are used for lenses where the front element doesnt rotate and the round are used for lenses with rotating front elements. So im guessing your 28-135mm lens rotates at the front when you focus, so you would use a round hood for it. also when buying hoods each lens has its own hood, so you most likely wouldnt have a choice anyway, maybe a choice of branded vs. third party, but they will look the same.
     
  4. twozero

    twozero TPF Noob!

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    that's not 100% true.

    usually the petal hoods are for the wider zoom lenses and round are for normal to tele-photo lenses.

    as example the canon 16-35L uses a petal hood whilst the 50 1.2 uses a round hood.

    I'm not saying this is the case all the time...
     
  5. NateWagner

    NateWagner TPF Noob!

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    Also, I'm pretty sure that the hood for most Canon tele's from 70-200 and up all use the round hoods.

    whereas at the same time my sigma 70-200 uses a petal hood.
     
  6. dxqcanada

    dxqcanada Been spending a lot of time on here!

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    Petal hoods are specifically designed for the rectangular format are are commonly found on wide angle lenses with a front section that does not rotate. The horizontal sections are smaller (than the vertical) to fit the widest angle to maximize the coverage.

    Circular hoods are used when the front section rotates so that the coverage is the same. These are designed to be wide/short enough to cover the widest angle of the lens without vignetting
     
  7. NateWagner

    NateWagner TPF Noob!

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    that doesn't really explain why canon's 70-200 and their bigger tele's use the circulars as their front elements don't rotate.

    edit: I just looked it up, and the 70-200 does have a petal, but the 100-400, and the 400mm 2.8 etc. all have circular hoods, and I'm pretty sure their front elements don't rotate
     
  8. dxqcanada

    dxqcanada Been spending a lot of time on here!

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    Cheaper/easier to make circular hoods.

    Mostly found in wider angles ... I think once the focal length gets long the hood is sufficiently large enough that there is no advantage to using a petal type.
     
  9. Tiberius47

    Tiberius47 TPF Noob!

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    Petal hoods look cooler.
     
  10. Misfitlimp

    Misfitlimp TPF Noob!

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    i have that lense and i could only find the petel hood for it and it works just fine.
     
  11. rufus5150

    rufus5150 TPF Noob!

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    The 70-200 2.8's have a petal, the f/4's do not.
     
  12. NateWagner

    NateWagner TPF Noob!

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    ahh wasn't aware of that about the f/4's the one I looked up was the 2.8
     

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