Thread: On-going MX OLPF tests

Reply to Thread
Page 2 of 4 FirstFirst 1234 LastLast
Results 11 to 20 of 32
  1. #11  
    Senior Member
    Join Date
    Dec 2010
    Location
    Toronto & Vancouver
    Posts
    3,628
    It’d be rad if you could post some .r3d frames too!
    Reply With Quote  
     

  2. #12  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    It's gotten too cold for talent to be outside for this long so I did a quick INT test with a 3200k Lowel interview light. Still really like where the skin-tone olpf puts the raw image (reduced red channel as expected and hoped for). Balanced to the color-checker, can't tell MUCH difference online, but I do like the reduced red in the skin tones. Seeing as it's secure and doesn't cause problems, I'd probably keep the skin-tone olpf in the camera for good after this test :)

    https://www.youtube.com/watch?v=K26Fx_-14y8

    Will do an outdoor test when it gets a little warmer again.
    Reply With Quote  
     

  3. #13  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    Quote Originally Posted by Mike P. View Post
    It’d be rad if you could post some .r3d frames too!
    Will do at the end! Good idea.
    Reply With Quote  
     

  4. #14  
    Member
    Join Date
    Aug 2013
    Location
    Los Angeles
    Posts
    45
    Quote Originally Posted by Phil Holland View Post
    Previously the OLPF actually contained an Optical Low Pass Filter, but in DSMC2 bodies that has been moved to the Cover Glass in front of the sensor. Which is why you have more aliasing on MX as there is now AA filter.
    Since DSMC2 we don't IR ND filters anymore. You can use regular NDs or any IRND that cuts beyond 720nm. Would you say the sensor cover glass also has IR cut properties build in or is the IR cut factor part of the different color filters/OLPF?
    Director of Photograhy
    schmige.net | instagram
    Reply With Quote  
     

  5. #15  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    Quote Originally Posted by Maximilian Schmige View Post
    Since DSMC2 we don't IR ND filters anymore. You can use regular NDs or any IRND that cuts beyond 720nm. Would you say the sensor cover glass also has IR cut properties build in or is the IR cut factor part of the different color filters/OLPF?
    I personally don't know how to answer this technical question so hopefully someone else can! :)
    Reply With Quote  
     

  6. #16  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    Quote Originally Posted by Mike P. View Post
    It’d be rad if you could post some .r3d frames too!

    OLPF R3Ds as requested

    C001 - Skin-tone
    C002 - Low-light
    C003 - Factory

    https://www.dropbox.com/sh/kni9oshmq...kk0RQmNNa?dl=0
    Last edited by Tyler Besh; 03-03-2019 at 01:21 PM.
    Reply With Quote  
     

  7. #17  
    Member
    Join Date
    Aug 2013
    Location
    Los Angeles
    Posts
    45
    Quote Originally Posted by Tyler Besh View Post
    I personally don't know how to answer this technical question so hopefully someone else can! :)
    Figured it out myself. I was looking at the Kippertie website and it was mentioned there. The IR cut is part of the "OLPF" color filter. Makes sense. How else would you be able to have an IR Spectrum "OLPF" that allows for IR light to pass through to the sensor.
    Director of Photograhy
    schmige.net | instagram
    Reply With Quote  
     

  8. #18  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    Quote Originally Posted by Maximilian Schmige View Post
    Figured it out myself. I was looking at the Kippertie website and it was mentioned there. The IR cut is part of the "OLPF" color filter. Makes sense. How else would you be able to have an IR Spectrum "OLPF" that allows for IR light to pass through to the sensor.
    Yeah that makes sense. Did you see the footage in my video of the sensor only clips? It's wild.
    Reply With Quote  
     

  9. #19  
    Senior Member
    Join Date
    Dec 2010
    Location
    Toronto & Vancouver
    Posts
    3,628
    Quote Originally Posted by Tyler Besh View Post
    OLPF R3Ds as requested

    C001 - Skin-tone
    C002 - Low-light
    C003 - Factory

    https://www.dropbox.com/sh/kni9oshmq...kk0RQmNNa?dl=0
    Bammmm, thanks! Gonna look these over.

    Update: upon inspection, Factory MX (it is factory MX, right?) and low-light are borderline identical. Skintone, ironically, just seems cooler and more contrasty (like it's ~4900k/-25, while the others balance to ~3k/3)... Do you have the same non-OLPF .r3d?
    Last edited by Mike P.; 03-04-2019 at 05:58 PM.
    Reply With Quote  
     

  10. #20  
    Senior Member
    Join Date
    Mar 2018
    Posts
    120
    Quote Originally Posted by Mike P. View Post
    Bammmm, thanks! Gonna look these over.

    Update: upon inspection, Factory MX (it is factory MX, right?) and low-light are borderline identical. Skintone, ironically, just seems cooler and more contrasty (like it's ~4900k/-25, while the others balance to ~3k/3)... Do you have the same non-OLPF .r3d?
    I really like the skin-tone in this. I think I'm going to run with it and see how it is in regular scenarios. Agreed on the low light and factory MX color filter, can't see much of a difference myself.

    Never did a sensor only for this test because at 3200k it's completely unusable (as shown in bar footage from the first test)

    I'm excited to get back out with the model and get some stuff with the skin-tone
    Reply With Quote  
     

Tags for this Thread

View Tag Cloud

Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts