Xr15: diffuser vs 120 deg lens

Discussion in 'EcoTech Marine' started by tenurepro, Jan 2, 2018.

  1. tenurepro

    tenurepro Active Member Reef Tank 365 Build Thread Contributor

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    Hello Ecotech and ecotech users!
    I currently have 3 radions xr15 gen 3 mounted on my Redsea reefer 250... I have the 120 deg lenses installed on all three to reduce shading and hotspots... lights are using sps ab+ with max intensity of 70%

    So I am very curious about the xr15 diffusers; I actually purchased three for my tank but haven’t received them yet.

    I am wondering:
    1) are the diffusers better used with the 80 deg lenses? I am guessing this is the case but would be good to hear other’s thoughts on this

    2) what are the benefits of diffuser + 80 deg lens over the 120 lens... do the diffusers do a better job of evening out light coverage vs wide angle lens?

    Thanks!
     
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  2. Nastynemo

    Nastynemo Member UK Reef Club Member Build Thread Contributor

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    I run standard lenses with the diffusers

    20180105_162726.jpg

    20180105_153909.jpg
     
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  3. tenurepro

    tenurepro Active Member Reef Tank 365 Build Thread Contributor

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    Ok... wow
    80 deg + diffuser seriously outperform 120 deg wide angle lenses!

     
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  4. tenurepro

    tenurepro Active Member Reef Tank 365 Build Thread Contributor

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    Hi All. I got several requests for a full comparison of the diffuser on both the 80 and 120 Deg lenses.

    In summary
    In terms of par, we get
    80>80+D>120>120+D (where d= diffuser)
    In terms of Best spread of light, we get
    120+D>120>80+D>80

    For me the best compromise of par and spread came with the 80 deg lens plus diffuser

    Here is the vid
     
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  5. downset21

    downset21 Member

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    Great videos. Are you going to increase the intensity to offset the lost par?
     
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