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  1. #1
    Junior Member

    D750 Buffer limitation or Age factor?

    Hi,
    I am trying to take quick photos (1photo/sec), after taking 8-10 Photos the cam stops taking photo for about 5-6secs. and then it's ready for the shoot. If I shoot at 1photo/5sec there is no issue. I used the same memory card for a long time without any issue. I changed different memory cards it's the same.
    This started happening last few weeks. I did a full factory reset and also updated to the latest firmware (update the firmware after the issue popped up, still no use). It's really frustrating when key moments are missed especially birthday cake-cutting and other my kids' dances. I don't use the busting option as that's too fast, I don't need that fast.

    Is this an issue that might pop up on a 6yr old camera? is it due to age it's starting to show its issues? or is there some setting that I might have accidentally changed causing this?
    Here are my settings:
    Shooting mode: Manual
    ISO: Off
    Shutter: 1/60
    Aperture: f4
    Autofocus: AF-A Auto
    Lens: 24-120 (VRn , Normal, M/A)
    Memory card: Lexar 128gb SDXC U3/II10 150MS/s
    Shutter count: 37112
    Note: I Shoot photos of my family/friends and as a hobby, not for commercial.
    Appreciate any help! Thanks!


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  2. #2
    Senior Member
    Bikerbrent's Avatar

    Re: D750 Buffer limitation or Age factor?

    Welcome aboard. Enjoy the ride.
    We look forward to seeing more posts and samples of your work.

    I don't have a D750 so can't help you, but I am sure someone will be along shortly.
    Thanks/Like ramnyc Thanks/liked this post
     
    Brent: Poway, CA
    D7200, D200, F100
    Tokina 12-24mm
    Nikon 18-200mm
    Tokina 28-70mm f2.6-2.8
    Nikon 80-200mm f2.8
    Sigma 150-600mm
    Nikon 50 AF f1.8
    Tokina 100mm f2.8 Macro
    Nikon SB800

  3. #3
    Junior Member

    Re: D750 Buffer limitation or Age factor?

    Thanks Brent! Sure!

    Hope someone would throw some light on this issue!

  4. #4
    Senior Member
    Dangerspouse's Avatar

    Re: D750 Buffer limitation or Age factor?

    Quote Originally Posted by ramnyc View Post
    ...after taking 8-10 Photos the cam stops taking photo for about 5-6secs. and then it's ready for the shoot. If I shoot at 1photo/5sec there is no issue.
    Hi ramnyc, and welcome (from nj)!

    Funny, I just started researching a few Nikon models as I look to upgrade, including the D750. Just read a bunch of stuff on them yesterday.

    You didn't mention if you're shooting in RAW or JPEG. If you are shooting RAW, the D750 buffer in continuous shooting mode fills up at approx 12 images (see this video at the 12:40 mark). At that point the camera will not be able to take more shots for several seconds, which sounds like what you're experiencing. One picture every 5 seconds is enough of a gap that you don't have to worry about this, but faster than that and you will.

    If you are shooting JPEG, this is not really an issue as less info is being sent to the card. That's even the case with my entry level D5500. I can hold the button down in continuous mode until my finger cramps if I'm in JPEG, and the buffer never fills. But in RAW, she stops shooting after only 4 or 5.

    So it's my guess that if you were previously able to shoot a high number of frames per second for a long period of time, you were shooting in JPEG. But somehow you changed the setting to RAW, and so now you can only do that for about 12 shots before the camera has to pause. My initial thought is the camera is fine - a shutter count of 37k is nothing for that beast regardless how old it is. But is is only a guess as I say. Hopefully someone who actually owns a D750 here will chime in and correct me if I'm wrong.

    I hope you get this sorted out, and I look forwards to seeing some of your pictures!
    Thanks/Like ramnyc Thanks/liked this post
     
    Fiat lux. Fiat vox.

  5. #5
    Senior Member

    Re: D750 Buffer limitation or Age factor?

    This article talks about the D750s buffer capacity.

    https://photographylife.com/nikon-d750-buffer-capacity

    If it used to be better, your raw files may have gotten changed to uncompressed.
    Last edited by Andy W; 01-27-2021 at 01:45 PM.
    Thanks/Like Dangerspouse, ramnyc Thanks/liked this post
     

  6. #6
    Staff
    Super Mod
    hark's Avatar

    Re: D750 Buffer limitation or Age factor?

    As Dangerspouse and Andy mentioned, it might have to do with the buffer speed. Keep watch on the back of the D750 when this happens. Is there a little green light showing up (possibly blinking)? If so, the body is writing to the card and hasn't yet finished.
    Thanks/Like ramnyc Thanks/liked this post
     
    Cindy - D750, D500, D7200
    My 2021 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci



  7. #7
    Senior Member

    Re: D750 Buffer limitation or Age factor?

    Are you saying that you are taking one shot every second, and after 8-10 shots over 8-10 seconds it stops and then starts again after another 5-6 seconds? Something ain't right. I've had the D750 and shooting one frame per second, even if you're shooting Raw+JPEG, you should be able to go on almost infinitely particular with that card. I sold the D750 but have a D610 which has the same sensor and buffer capacity and I'm going on minute #2 of on shot per second Raw+JPEG with a 30MB/s card, so something isn't working the way it should. So you have another card you can try? If the card is going bad that could be the problem.

    Now, if I shoot in CH mode the buffer will fill up after 7-8 images, but that's not what you're describing.
    Thanks/Like ramnyc Thanks/liked this post
     
    Jake
    BackdoorArts Facebook
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  8. #8
    Senior Member

    Re: D750 Buffer limitation or Age factor?

    Following up, I stuck a 95MB/s card in there and got 30 raw shots off on CL at 3 fps before the buffer cleared. I changed that to 1 fps and watched the shots remaining ticker on the top LCD and it kept toggling back and forth between 14 and 13 shots remaining for a full minute, so there's no shot that it would ever fill the buffer at 1 fps. At 2 fps it slooooowly started to tick down from 14 to 13 to 12 etc. and might have filled after 60-90 seconds.

    Let us know what file format your shooting, but if you've got a 128 MB/s card then that's likely what's not working correctly.
    Thanks/Like ramnyc Thanks/liked this post
     
    Jake
    BackdoorArts Facebook
    BackdoorArts Instagram

  9. #9
    Junior Member

    Re: D750 Buffer limitation or Age factor?

    Thanks you all for the quick valuable responses...
    As mentioned earlier, I am not not shooting on CH(Busting) mode. I shoot in S(single) mode. But I take the shots at quick succession, eg: image a cake-cutting moments of my 4yr old niece...I shoot key moments every second or in two second gap... Again I used to shoot this way for the past few years, no issues. Now, when I shoot the same way (RAW+JEPG slot 1, slot 2 is no card) the camera pauses for few seconds and then gets ready for next shots. I tried with my another card (Lexar 65gb SDXC U3/II10 150MS/s) but result is the same.
    I tried the following last night, sharing here the outcome:
    Here are my settings:
    Shooting mode: Manual (Single)
    ISO: Off
    Shutter: 1/60
    Aperture: f1.8 and f4 (tried both)
    Autofocus: AF-A Auto
    Lens: Nikkor 50mm Prime (M/A)
    Card: Lexar 65gb SDXC U3/II10 150MS/s

    - With built-in Flash
    Off Took 20+shots (at 1second gap) no issues, not in CH/Burst mode. Image Quality/Size: JPEG BASIC/Small - lowest
    - With built-in Flash
    ON was able to take only 8-10 shots (at 1second gap) , not in CH/Burst mode. Image Quality/Size: JPEG BASIC/Small - lowest
    - With
    built-in Flash Off Took 20+shots (at 1second gap) no issues, not in CH/Burst mode. This time changed the Image Quality/Size : RAW+JPEG/(Fine) highest

    Here is my built in Flash setting:
    - Flash sync speed : 1/200s (Auto FP)
    - Flash shutter speed : 1/60s
    - Flash cntrl for built-in flash : TTL

    Any Idea/clue what could be the issue?

    Appreciate any help! Thanks!



  10. #10
    Staff
    Super Mod
    hark's Avatar

    Re: D750 Buffer limitation or Age factor?

    Honestly I'm not sure but have a couple of thoughts. Since you are only using one card but have the body assigned to RAW+Jpeg Fine, both files should be written to one card. That will take a little extra time.

    If you are using the built-in flash, it's possible the flash isn't having enough time to adequately recycle to fire at the necessary power. Does this happen when the flash is turned off? Please remember the built-in flash isn't all that powerful so it might be firing at full power. That would take the longest time for it to recycle before it's ready to fire again.
    Thanks/Like ramnyc Thanks/liked this post
     
    Cindy - D750, D500, D7200
    My 2021 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci







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