Welcome to 3DRPilots.com

Sign up and join the largest 3D Robotics drone community!

  1. Greg Parker

    Joined:
    Jun 6, 2015
    Messages:
    373
    Likes Received:
    102
    Bluesgeek, it sounds like you know more about than I do. I just didn't want others to think there was no reason to use the NDs for their intended purpose with the GPs.
     
    erikgraham and bluesgeek like this.
  2. bluesgeek

    Joined:
    May 10, 2016
    Messages:
    200
    Likes Received:
    79
    Location:
    Connecticut
    I completely agree with that. GP seems to be a great tool, but one that has to be wrangled on its own terms.
     
  3. Petemac83

    Joined:
    Jun 30, 2016
    Messages:
    17
    Likes Received:
    3
    My biggest issue is the propellers and legs coming into the shot, and also the gimbal is a little jerky and not too smooth, maybe i just need practice, i think a lot of my problems would be solved with a modified go pro.
     
  4. pyrate

    Joined:
    May 4, 2015
    Messages:
    3,933
    Likes Received:
    1,522
    Location:
    Frisco Texas
    the modified gopro will address props and legs in the shot for the most part even shooting wide. I can still get a prop in the shot if I fly aggressively enough.
    As for vibrations conventional wisdom says a modified lens will not help but hurt. I find that the newer lenses don't really add that much to the video vibrations. Look at Rich's tension vs compression thread at post 109 to see what I find so far to be the most effective way to deal with that
     
    bluesgeek likes this.
  5. Petemac83

    Joined:
    Jun 30, 2016
    Messages:
    17
    Likes Received:
    3
    Im not really talking about vibrations as such, but just if i pan up or down it is kind of a bit stop start, i guess i just have to go really slow, it just doesn't look great, i will have to just plan shots where i don't pan too much i guess.
     
  6. pyrate

    Joined:
    May 4, 2015
    Messages:
    3,933
    Likes Received:
    1,522
    Location:
    Frisco Texas
    done calibrations since last firmware?
     
    bluesgeek likes this.
  7. Maddog

    Joined:
    Aug 24, 2015
    Messages:
    3,378
    Likes Received:
    889
    Location:
    Phoenix, Az
    If I'm just filming straight ahead, I find setting the gimbal at 85° instead of 90° helps keep the props out of view. Legs usually show up when unmodified GoPro is set to WIDE and Solo yaws too aggressively.

    If you're talking about the gimbal being jerky when going up and down, then you should either make use of the presets, or practice with the paddle. The farther you move it, the faster it moves.

    Post up some of your video and we can give you a better idea of what's going on.
     
    bluesgeek likes this.
  8. PdxSteve

    PdxSteve Moderator
    Staff Member

    Joined:
    Oct 15, 2015
    Messages:
    1,748
    Likes Received:
    939
    Location:
    Lake Oswego, OR
    The paddle that controls the gimbal movement is basically like the gas pedal on your car. Press lightly and it gives a little gas and accelerates slowly to the given throttle position. Press down harder and it accelerates quickly, which is what you don't want 99% of the time with video unless you want to make your audience sick or you're doing a combat jet fighter scene. Approach the gimbal like if you are driving your 90 year old grandma around in your car, and your car is a 500HP muscle car lol. Gradually accelerate and then gradually decelerate as you start to approach your target to provide a smooth in and out. Don't just step on the gas or suddenly let off. Granny gets pissed when you do that. It takes a bit of practice to get used to it. Allow the audience the time to absorb the scene.
     
    speatuk, Mauiwind, Maddog and 2 others like this.
  9. erikgraham

    Joined:
    Jun 14, 2015
    Messages:
    1,547
    Likes Received:
    833
    I agree with the others regarding a softer touch on the gimbal paddle, but I would add that the preset buttons on the other side of the controller are a great way to get super smooth tilting up and down. Preset A to 85 degrees. Preset B to 45 degrees. Use the wheel to adjust the speed to 11 seconds. Then try messing around with that. Eventually you'll adjust those settings to match your needs, but I find that works for me pretty well. Rarely do I look straight down, but when I want that I change B to 0 degrees. Also I play with the wheel a lot to get the speed I want, but 11 seconds is a good slow starting point.
     
    Mauiwind, RichWest and Maddog like this.
  10. RichWest

    Joined:
    Jun 18, 2015
    Messages:
    2,041
    Likes Received:
    994
    Location:
    Chouston, Tejas
    It would be nice if they offered an adjustment, in software, to slow down the paddle speed. I'd actually prefer a HW switch and/or a variable resistor to control on the fly. There was a mod on the P2 using a variable resistor to control the yaw rotation speed, it worked very well.

    But like Erik said, the preset gimbal control is effective in doing the same.
     
    Maddog likes this.
  11. pyrate

    Joined:
    May 4, 2015
    Messages:
    3,933
    Likes Received:
    1,522
    Location:
    Frisco Texas
    there is a hack on the mod page to change the speed of the paddle
    never tried it
     
    speatuk, RichWest and erikgraham like this.
  12. RichWest

    Joined:
    Jun 18, 2015
    Messages:
    2,041
    Likes Received:
    994
    Location:
    Chouston, Tejas
    Found it, Jason Short via @franknitty69,... I remember it now...still don't trust my computer hacking skills.
     
    erikgraham likes this.
  13. erikgraham

    Joined:
    Jun 14, 2015
    Messages:
    1,547
    Likes Received:
    833
    Thank you. I think I'll try this.
     
  14. Maddog

    Joined:
    Aug 24, 2015
    Messages:
    3,378
    Likes Received:
    889
    Location:
    Phoenix, Az
    Would be nice if the gimbal preset speed wheel worked with the paddle too.
     
    jibcamera and Mr GruntHunter like this.
  15. Mr GruntHunter

    Joined:
    Apr 1, 2016
    Messages:
    218
    Likes Received:
    31
    Location:
    Florida Space Coast
    I agree with that. Do you think that would have to be a hardware mod or could it be done with software?
     
  16. twitchyzero

    Joined:
    Oct 23, 2015
    Messages:
    460
    Likes Received:
    102
    bump

    maybe we can get a new discussion/update now that ISO can be locked and shutter speed is finally introduced.

    I shoot at 30fps with ND4/CPL in low-mod light and ND8/CPL in bright light

    my short test in cloudy sunset with the ND4/CPL yielded best result with 1/30 and ISO200 locked

    What is its equiv in stops for ND8? 1/60 ISO200? 1/30 ISO100? 1/60 ISO 100? Sorry Im bad at these conversions.
     
    #136 twitchyzero, Aug 27, 2016
    Last edited: Aug 28, 2016
  17. erikgraham

    Joined:
    Jun 14, 2015
    Messages:
    1,547
    Likes Received:
    833
    Unfortunately I can no longer edit the sticky. There is apparently a word count limit on posts now. If I try to edit my own post, I'm told I can't because it's too long.

    I'm gonna wait until I've actually played around with the new settings for awhile. Then I'll contact the admins when I'm ready to edit.

    The key difference is going to be how we use ND filters going forward. Previously we used ND filters to "trick" the GoPro's software into using a slower shutter speed, thereby giving us jello reducing motion blur, that looks more cinematic. That was a bit of a "tail wagging the dog" situation.

    Now that we can lock shutter speed, we can start using NDs more like normal people, i.e. to help achieve the right exposure for a desired shutter speed and/or ISO. (aperture is still fixed of course).
     
  18. Floating Ron

    Joined:
    Jul 22, 2015
    Messages:
    43
    Likes Received:
    16
    Thanks Eric I am sure many of us are looking forward to your update on the GoPro settings. Your original post was great!
     
  19. twitchyzero

    Joined:
    Oct 23, 2015
    Messages:
    460
    Likes Received:
    102
    tail wagging the dog
    that's quite the visual description!
     
  20. Clamb385

    Joined:
    Aug 18, 2016
    Messages:
    23
    Likes Received:
    4
    thanks for sharing this. It is very useful!!