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  1. #11
    Senior Member

    Re: Tips need for Nikon D750 shoot in a low light condition with backlit

    Hi -

    Thank you for your reply. I don't find the option to increase my ISO up to 128000. The highest it can go is 128000, than it goes to L1.

    Quote Originally Posted by Chris@sabor View Post
    According to the data, ISO is 12800 and it appears to be roughly 2 stops or more under exposed. This means your ISO at that shutter speed would have had to be 51000 or more to properly expose the subjects. With lighting this poor, ISO that high with your shutter speed, you can't expect sharp photos and low noise, even the amazing D750 can't pull that off. Cameras have limits...



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    • #12
      Senior Member

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Hi,

      Thank you for your reply and tips. Re:
      1. Yes, I shoot in Raw.
      2. Yes, I set the Auto-ISO. I use Speed mode but I will try Manual mode next time.
      3. I was not sure what is the LOWEST possible shutter speed so I set it to 1/125.
      4. Yes, F4 was the lowest possible and which is the one I shoot with.
      5. I didn't have a tripod but put it in the back of a chair is a good tips. Thanks!!

      Thanks, I am starting to learn post processing so I will try to play with it.


      Quote Originally Posted by Blade Canyon View Post
      For low light situations, here's the best recipe I know:

      1. Shoot RAW, which will give you the most latitude in post-processing.
      2. Set camera to Manual, and ISO to Auto-ISO. (Technically you could just leave it set around 400 and do all of the exposure adjustment in post processing, a topic heavily debated here in the past.)
      3. Set the shutter speed to the LOWEST possible speed you think you can get away with and still be sharp. Under the old rules, you made this shot at 38mm, so you could have gone as low as 1/50th second shutter speed, which would have given you more than twice as much light. (The old rule was shutter speed should be 1/focal length. With the newer sensors that show so much detail, some folks think you should use even faster shutter speeds.)
      4. Set the aperture as wide as possible. F4 was as fast as your lens could go.
      5. Use a tripod or the back of a chair or anything else you can rest the camera on to get more stability.

      Post processing is key. In Adobe Camera Raw, you can adjust the exposure slider on the RAW file, which is essentially the same as telling the camera to bump the ISO while shooting. (A lot of folks don't agree with this.) Then learn how to use the noise reduction features in ACR.

      As others have pointed out, your camera meter was taking into account the brighter light behind the performers. Using my method, you are pouring as much light as possible into the camera, so metering is not the key factor. Post processing to get the best possible image from that maxed light is the key factor.

    • #13
      Senior Member

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Hi-

      What would you recommend otherwise? I was afraid it will be underexposed so I use 2.33 stops EV to compensate the light. Could you advise?


      Quote Originally Posted by Horoscope Fish View Post
      I could be wrong but I still say the issue is the 2.33 stops of Exposure Compensation that was dialed in for that shot.

    • #14
      Staff
      Super Mod
      hark's Avatar

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Quote Originally Posted by wordlesstu View Post
      Hi,

      Thank you for your reply and tips. Re:
      1. Yes, I shoot in Raw.
      2. Yes, I set the Auto-ISO. I use Speed mode but I will try Manual mode next time.
      3. I was not sure what is the LOWEST possible shutter speed so I set it to 1/125.
      4. Yes, F4 was the lowest possible and which is the one I shoot with.
      5. I didn't have a tripod but put it in the back of a chair is a good tips. Thanks!!

      Thanks, I am starting to learn post processing so I will try to play with it.
      Ooo...any way you would upload a NEF to dropbox and post the link here? I'd love to play around with an image.
      Thanks/Like Blade Canyon Thanks/liked this post
       
      Cindy
      Flickr
      and My 2019 Thread

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



    • #15
      Senior Member

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Quote Originally Posted by Chris@sabor View Post
      The only thing is, if he dialed in + 2 stops and the shot is still under exposed, his metering was sooo far off no matter which meter mode he used. Something went wrong...
      If the shutter speed was fixed at 1/125, and his lens was wide open at f4, then the only other thing the exposure compensation could have done was boost the ISO, which it did to the max for auto-ISO of 12,800 on the D750.

    • #16
      Senior Member
      Horoscope Fish's Avatar

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Quote Originally Posted by wordlesstu View Post
      What would you recommend otherwise? I was afraid it will be underexposed so I use 2.33 stops EV to compensate the light. Could you advise?
      I couldn't tell from the EXIF if the EC that was dialed in was (+) or (-) and your shot appeared to me to be, roughly speaking, about two stops underexposed. It's not uncommon for someone to dial in EC without realizing it and the two-and-a-third stops increase struck me as a little odd. In short, I was hoping for an easy solution in that you had accidentally dialed in negative EC, but that was not the case. So much for my simple solution.
      Last edited by Horoscope Fish; 11-14-2018 at 04:36 PM.
      Thanks/Like wordlesstu Thanks/liked this post
       
      ~ Paul
      ....
      ....
      Primary Kit :: D850, Tamron 70-200mm f/2.8 G2, Tamron 24-70mm f/2.8 G2, Sigma 135mm f/1.8 Art, Sigma 50mm f/1.4 Art,
      Godox Flashes & Triggers, Manfrotto X055PROB, 3-Legged Thing Airhed II... All Stuffed into a Manfrotto Pro Backpack 50
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    • #17
      Staff
      Super Mod
      hark's Avatar

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Quote Originally Posted by Horoscope Fish View Post
      I couldn't tell from the EXIF if the EC that was dialed in was (+) or (-) and your shot appeared to me to be, roughly speaking, about two stops underexposed. It's not uncommon for someone to dial in EC without realizing it and the two-and-a-third stops increase struck me as a little odd. In short, I was hoping for an easy solution in that you had accidentally dialed in negative EC, but that was not the case. So much for my simple solution.
      Paul, I use the +/- button when needed in Aperture Priority. When I underexpose with it, the EXIF here shows up as -0.33EV (or whatever the value used). I don't know why the forum doesn't specifically display the + for overexposure, but it hasn't with my images. That was my thought, too, until I looked back through mine.
      Thanks/Like wordlesstu Thanks/liked this post
       
      Cindy
      Flickr
      and My 2019 Thread

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



    • #18
      Senior Member

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Tips need for Nikon D750 shoot in a low light condition with backlit
      Hi,

      Thank you for your reply and tips. I am uploading more photos from the event which I can't upload with my apartment internet before. Sorry for the separate posts.

      1. With the same setting but sse center weighted mode.
      Attachment 299916

      2. Use matrix mode but the light on the wall become overexposed.
      Attachment 299917

      3. Use matrix mode but underexposed.
      Attachment 299918

      4. This is by far the most successful.

      Tips need for Nikon D750 shoot in a low light condition with backlit-yt_20181111_0107.jpg

      5. This one I retouch to adjust exposure.

      Tips need for Nikon D750 shoot in a low light condition with backlit-yt_20181111_0065.jpg
      If you have more tips or suggestion , please let me know. Thank you so much !!!
      Attached Thumbnails Attached Thumbnails Tips need for Nikon D750 shoot in a low light condition with backlit-yt_20181111_0012.jpg  

      Last edited by wordlesstu; 11-14-2018 at 05:03 PM.

    • #19
      Senior Member

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Looks like a cool bar. Where is it?

    • #20
      Senior Member
      Horoscope Fish's Avatar

      Re: Tips need for Nikon D750 shoot in a low light condition with backlit

      Quote Originally Posted by wordlesstu View Post
      Thank you for your reply and tips. I am uploading more photos from the event which I can't upload with my apartment internet before. Sorry for the separate posts.
      If you have raw files those shots look pretty recoverable to me.

      .....
      Quote Originally Posted by wordlesstu View Post
      If you have more tips or suggestion, please let me know. Thank you so much!!!
      Shooting backlit scenes can be tricky, depending on what you want out of the final shot. If the dynamic range of the scene exceeds that of your camera, and using fill-flash is out of the question, then you are looking at having to make some (exposure) choices:

      1. You could choose to keep the subject well exposed and let the back-lighting blow out. Spot-metering (on the subject) will keep the subject well exposed but will allow the back-lighting to blow out.

      2. You could choose to try and keep the back-lighting well exposed while at the same time minimizing how under-exposed the subject is and then juggle/balance the overall lightness of the photo when you post-process.

      3. You could choose to expose for the back-lighting, let the subject be underexposed greatly, and go for a creative silhouette effect in the final shot.
      Thanks/Like editorial_use_only, wordlesstu Thanks/liked this post
       
      ~ Paul
      ....
      ....
      Primary Kit :: D850, Tamron 70-200mm f/2.8 G2, Tamron 24-70mm f/2.8 G2, Sigma 135mm f/1.8 Art, Sigma 50mm f/1.4 Art,
      Godox Flashes & Triggers, Manfrotto X055PROB, 3-Legged Thing Airhed II... All Stuffed into a Manfrotto Pro Backpack 50
      ....
      ....
      ● ▬▬▬▬▬▬▬ ๑۩۩๑ ▬▬▬▬▬▬▬ ●





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