Light Meter Basics: Light Metering Techniques and Lighting Diagrams | Level Up with Ab Sesay

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  • Опубліковано 25 сер 2024
  • Learn light meter basics from photographer Ab Sesay using Sekoinc light meters. Join Ab Sesay, as he guides you through the exposure triangle, using a light meter to measure a scene and develop a photography lighting diagram, that will lead to developing your studio lighting style.
    Ab currently resides in the NY area and enjoys working on productions both large and small with ideas that are simple and complex.
    As a multidisciplinary commercial advertising photographer, and creative producer/director who blends the ability to analyze ideas, technology, and resources to educate those interested in upping their lighting game on how to get to the next level.
    He is also the brand manager for Sekonic Light Meters, Executive Producer and Creative Director for the Mac Group, and independent producer/photographer developing lighting education for Adorama TV (Level Up Lighting Show), Sekonic, and Fujifilm.
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КОМЕНТАРІ • 106

  • @RickLincoln
    @RickLincoln 6 місяців тому +5

    Ab, you are an excellent educator! You are organized, provide examples of what you are teaching and your presentation skills are top notch. As I was watching the part in your video about mixed lighting I thought about how it applies to outdoor environmental portraiture. Many on the net who shoot outside portraiture are preaching that the shutter speed simply doesn't matter when using flash, but your in studio demonstration clearly shows how it works. You do a lot of work to present these videos to us. Thank you!

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Thank you, Rick. I really appreciate the feedback. I was wrong about one thing in this and its that 18% Grey is the fourth grey patch. Sorry, I missed that detail. Again I appreciate the feedbvack.

    • @thomastuorto9929
      @thomastuorto9929 5 місяців тому

      @@AbSesayPhotoSee, and I thought it was the third from the left. As always, excellent vid. Really, always a pleasure!

  • @doctorstrobe
    @doctorstrobe 7 місяців тому +3

    Everytime I watch one of your videos i'm like "He's gonna say IT, he's gonna say IT!!!" because by now, I know there are levels to this.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      LOL! Love it! Sometimes I cant help myself.

  • @NumbersSans
    @NumbersSans 7 місяців тому +1

    Thanks for the tutorial. I ordered my first light meter a couple of days ago. I can't wait to try some of the techniques.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      Definitely let me know if you have any questions.

  • @JeffreyJDavis
    @JeffreyJDavis Місяць тому

    thanks brother, detailed enough without gatekeeping. I'm more interested in metering for outdoor portraits but your guidelines are informative.

    • @AbSesayPhoto
      @AbSesayPhoto 3 дні тому

      The concept is exactly the same. If your using a Sekoinc L-478 or L-858D-U you will be able to see the percentage of flash contribution.

  • @darrylcaldwell2617
    @darrylcaldwell2617 3 місяці тому

    Absolutely the best light meter video that I've seen. Class is now in session. You taught us things that we didn't even know that we didn't know-🤣🤣. Thank you!

    • @AbSesayPhoto
      @AbSesayPhoto Місяць тому +1

      Thank you. I appreciate the feedback.

  • @CoolBreeze031_Photography
    @CoolBreeze031_Photography 7 місяців тому +1

    Bravo! I never watch any UA-cam videos twice in a row, the information is so thorough I watched it twice. #nicework

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      Man, this really makes my day. Thank you so much!

  • @LevonMyles
    @LevonMyles 7 місяців тому +3

    Thanks for the information. Still trying to decide if a light meter is a good way to go. I like your break down.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      Any questions let me know. I learned lighting with one, and its imperative for my workflow.

    • @LevonMyles
      @LevonMyles 7 місяців тому

      @@AbSesayPhoto Thanks Ab

    • @fredwindholz828
      @fredwindholz828 6 місяців тому

      Great video AB! I noticed you had the dome retracted when meter g the model. I always thought that when meter g a 3 dimensional subject you keep the dome out and when metering a flat object you use the retracted dome. What is the correct rule?

  • @spyratekodaks7494
    @spyratekodaks7494 7 місяців тому

    Using a meter always gives me the reassurance that I need to have the perfect exposure! Very informative video! Thanks man

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      Thank you, and you are very welcome. Appreciate your feedback.

  • @eltonfoster
    @eltonfoster 7 місяців тому +1

    Great, Ab! I think where I live, I’m the only one that still use a Light Meter. Thank you for this video.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      THey are rarer these days but they will always be a part of my kit.

  • @stevenjohnson5599
    @stevenjohnson5599 7 місяців тому +1

    Excellent video , thank u

  • @alexandreboucher9773
    @alexandreboucher9773 7 місяців тому +2

    Awesome!

  • @KatieF307
    @KatieF307 5 місяців тому

    I watched this video, and it provided a little more clarity on metering, but in practicality, whether you use ambient sunlight or a continuous LED light, the principle is the same. I remember watching a bunch of Joe Brady videos using pocket wizards and a Sekonic 358, as well as a ton of Gavin Hoey videos. The 858 can give you a flash percentage contribution as well, which can be used with any source of ambient light. Without question, using light metering makes a huge difference in a properly lit photo.

    • @AbSesayPhoto
      @AbSesayPhoto 5 місяців тому

      Agreed Katie. Well said.

  • @andrechen6345
    @andrechen6345 7 місяців тому

    Thank you so much!!! Always a pleasure to watch your videos

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      Appreciate you. Thank you Andre.

  • @awanardito
    @awanardito 7 місяців тому +1

    Most informational video. Love it ❤

  • @jefflastofka9289
    @jefflastofka9289 4 місяці тому

    Great presentation. Well done. Thanks.

  • @paulengle5784
    @paulengle5784 6 місяців тому

    This is so helpful. Thanks for sharing, Abe! Looking toward to seeing your next video!

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому +1

      Thank you. I also have a playlist of past videos as well.

  • @kapurar
    @kapurar 6 місяців тому

    Thank you! A fabulous tutorial!

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      You're welcome. Appreciate you.

  • @ftcsubs1
    @ftcsubs1 6 місяців тому

    Found videos, thanks still would appreciate your own channel. you are a great instructor. its nice to see your work flow.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Thank you so much. I am working on a youtube channel as well. I really enjoy my Adorama Family as well.

  • @Skipsul
    @Skipsul 7 місяців тому

    Wonderful breakdown, thanks!

  • @marcels.6514
    @marcels.6514 7 місяців тому +2

    Great video! Thank you very much for that. If you do not mind, I would like to ask a question about the telezoom reflector. At 11:05 you are metering up and down the model to make sure the light is falling off and is not bright on her chest or on her head. Does that imply that the center spot of the reflector is aimed above the model's head in order to get that continuous fall off?

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      Great EYE! Yes, it's aimed so the bright part is at the top of her head and slightly above.

  • @billloveless6869
    @billloveless6869 7 місяців тому

    I love that he put the cost in the comments!!

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      Good to know. Thank you for the feedback.

  • @DixonLu
    @DixonLu 7 місяців тому

    Thank you for the video.

  • @ReyMartinez133
    @ReyMartinez133 6 місяців тому

    Bravo

  • @artemstrunkin1068
    @artemstrunkin1068 Місяць тому

    🔥🔥🔥

  • @i_am_x_wild
    @i_am_x_wild 7 місяців тому

    Sooooo gooooddd

  • @abdiascintron7351
    @abdiascintron7351 6 місяців тому

    THANK YOU !!!!!

  • @quinnbanks1889
    @quinnbanks1889 7 місяців тому +1

    I wish that Sekonic will update the Sekonic l-858 to change the iso settings like the Sekonic l-758 settings because as of right now this Sekonic l-858 I just spent my money on is not for filmmakers it’s for photographers. And Sekonic still haven’t posted a video or anything about how to operate it for filming. Just a bunch of photography stuff I mean what is the issue?

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Hi Quinn The meter was designed with filmmakers in mind. It has a Cine and DSLR Cine mode and allows for you to enter different frame rates as well as shutter angles. Plus is 3 stops more sensitive than the L-758 in incident light mode. I do wish it had the two iso buttons to quickly switch back and forth, and I'm also a huge fan of buttons as well. Ab- Sekonic

  • @thomasdietz8153
    @thomasdietz8153 7 місяців тому

    Great video Ab. I noticed in the video that you were using the L-858 most of the time with the dome retracted. Does this give you a more accurate reading when using strobes? Or maybe dome out when metering mixed lighting?

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому +1

      I like to keep the dome retracted because I measure each light individually. and it blocks any stray light that may be coming in from the side, but not adding to the exposure on the surface it is hitting.

  • @nighthawk20011
    @nighthawk20011 Місяць тому

    All videos I see about light meters deal with models or subject that don't move a lot. How do you use a light meter when photographing moving subjects? Sports? Concerts?

    • @MyF1Scuderia
      @MyF1Scuderia Місяць тому

      Short answer, You Don't! Metering for Studio photography with light's is completely different than fast moving Subjects in Sports or Constant changing lighting environments such as Concerts or Runway Fashion where you can only use ambient light! any flashes you'll probably be shown to the door. You better be on top of the game so to speak and know your camera and as fast as you can adjust your f/stop & shutter speeds on the fly! Your ISO should be pretty constant in these types of environments whether is day/light or Night/dark. Have Fun & Keep Shooting

    • @AbSesayPhoto
      @AbSesayPhoto Місяць тому

      I guess its a simple answer but each situation has instances that can be complex. A meter simply tells you the amount of light hitting a location. You can use a spot meter to tell you what exposre it would take to make whatever you see 18% gray, and then you have to do the math regarding how much you should over or under expose. If something should be white you would normally over expose 2-3 stops or if it shoudl be black you would under expose by the same amount. This is a very course description of the zone system. Tryign to give a short answer to question that has many different situations or factors to consider. Sorry for it being somewhat incomplete.

  • @LevonMyles
    @LevonMyles 7 місяців тому

    Can you do a video where you discuss the break down of the modeling lamp/light? So many flash units are coming with the modeling lamp.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому +1

      Hi Levon. Great question. Most modeling lights simply give you an idea of where the light is pointing. You can turn it on or off change the brightness depending on the brand. Most LED modeling lights are not user accessible if they were ever to not work, but the life of an LED is very long. Most incandescent modeling lights allow you to easily swap them out.

  • @Bishnu_Deb
    @Bishnu_Deb 3 місяці тому

    Great presentation and the model is stunningly beautiful.

  • @CyclopsPhotog
    @CyclopsPhotog 7 місяців тому

    Do you use the ColorChecker passport at all or just the full size? What are the pros and cons of both?

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      I use the passport on a regular basis. The passport is more portable gives you more charts comes with a protective case, and is great for small still life shots. The larger one is great when you want to be pulled back a bit farther or shoot a wider angle as it will be larger in the frame.

  • @jimowens8105
    @jimowens8105 6 місяців тому

    Thanks Ab, very informative and as always I learned a lot! Of course I still have a question... I have an L-508 Zoom Master which I bought used in the 90's and it is still rocking. However, I am interested in the new technology to know if it offers any improvements. I see that you are using a stylist to adjust the L-858 and the L-478. Is this just for the video so the audiance can see the adjustments or is there another reason?

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому +1

      Is for the video. When initially doing the shots the videographer let me know with my hands it was impossible to see the screen. It's pressure sensitive so stylist works better than fat fingers, but fat fingers still work but some people complain about the screen not being as sensitive as an iPhone.

    • @jimowens8105
      @jimowens8105 6 місяців тому

      Thanks for the reply Ab and for all the fantastic content 👍. That's what I thought would be the reason. I use Flashpoint lights with my camera in an elevated position so my logic goes like this... The 308 is a step down from my 508. The 478 is a slight improvement, but it can't control my transmitter, so I'd use a Godox app on my phone which I am doing now. The 858 can do it all and control my transmitter.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      @@jimowens8105 yes the L-858 will trigger the Godox light, but you have to put the camera trigger in App or they actually have a Metering mode so that the transmitter on the camera doesn't reset the lights from the adjustments you made on the meter.

  • @NY1MinuteNewYork
    @NY1MinuteNewYork 6 місяців тому

    Do you have any workshop for setup lights in the studio

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      I am planning a workshop for this year. Probably in the spring. I will be at Shutter Fest this year.

  • @carlosagsmendes
    @carlosagsmendes 7 місяців тому +2

    Thank you! Do you calibrate your meter? Any ideas on how to “validate” the calibration? I went to a photo workshop and was puzzled since the same settings in different camera brands produced different results (canon, nikon and fuji).

    • @davidausterberry3297
      @davidausterberry3297 7 місяців тому +4

      The lenses don't have equal light transmission. That's why cinematographers use T-stops (transmission) rather than f-stops.The f-stop is the focal length divided by the diameter of the entrance pupil of the lenses. Different lenses designs have different light losses,= whereas the f-stop assumes 100% light transmission.. For a given f-stop a prime with 4 elements will have different transmittance to a zoom with 15 elements. That's why you saw different results with different lenses.

    • @ThatManDWill
      @ThatManDWill 7 місяців тому

      ​@davidausterberry3297 So is it safe to say that you can't use a light meter for video exposure?

    • @jimowens8105
      @jimowens8105 7 місяців тому

      It would seem logical to photograph an 18% grey card using aperture priority and compare your camera's settings against your light meter result. This would of course only apply to constant light. For flash It would then be possible to take a picture of same grey card using flash. Set your camera to ttl for one image and another set your flash manually based on your light meter. Then compare the images in your software of choice. The luninance values shoud be identical. Calibrating the meter would be a question for the manufacturer.

    • @PaulAnthony2009
      @PaulAnthony2009 7 місяців тому

      I've had similar experiences, so I use light meter to get me in the ballpark and then fine tune with my eyes.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      @@davidausterberry3297 Well said.

  • @L.Spencer
    @L.Spencer 7 місяців тому

    Modelling lights don't turn off when the strobe flashes? I wonder if that was affecting my photos more than the ambient light, when I was using a slow ss. Something I was surprised was when you said the middle image is the correct exposure, it looked a little dark to me. I would have thought that between the middle and the one on the left would be more correct. We had a lot of trouble with exposure in our lighting class. Especially between shooting and printing - we weren't allowed to edit. Things always print darker.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      For some strobes, you can have the modeling light turn off as soon as the strobe flashes, but it stays on in many. Plus a tungsten modeling light wouldn't turn off fash enough if using a high ISO. THe middle exposure is technically correct, but you have the lenses which can be off by up to half a stop, and then the processing of the image is also a major factor. I would say that artistic exposure is purely subjective and an art form. For instance night scenes in movies some scenes may be under by 1 to 2 stops for creative effect. When you git it right you get the highest dynamic range from the camera to play around with later in the post.

  • @claudeperiez985
    @claudeperiez985 7 місяців тому

    Hi,do you use the optimize exposition (+1 diaf 1/3) ,always or never ? thanks a lot for your answer, Ab.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Hi Claud, I don't fully understand the question. Is there another way you can ask it., I apologize for any inconvenience.

    • @claudeperiez985
      @claudeperiez985 6 місяців тому

      Hello AB,
      Sorry, I was not very clear in my question: do you optimize the exposure of + 1stop 1/3 to the shooting when y
      you use your flashes, having set a linear profile for your GFX, on Capture One(ex: aperture chosen on your
      GFX 100 II:f5,6 and programmed aperture on the main light f5,6+1 stop 1/3 :f9) to expose the most "to the right" to get the maximum information in the highlights, then develop the Raw?
      IF YES, when do you do it? If NO ,why don’t you use this method? Thank you for your answer,AB. I appreciate ,at most to the point,your clear and effective explanations that you state in your videos... Best regards Claude (from France).

  • @mikecollins5261
    @mikecollins5261 6 місяців тому

    Unless they changed the color checker values 18% is the value of that fourth grayscale box. White/90%, light neutral gray/60%, light-middle neutral gray/36% THEN middle gray/18%. The whole box. Not in between.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Great catch. I thought there was a slight difference, and looking again by eye you are correct, I will triple-check with Calibrite. But I do belive you are right.

  • @ernestotapiav
    @ernestotapiav 7 місяців тому

    Hi. Maybe a tutorial on using the light-meter?

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      What would you to see specifically? This could be a series for sure. But starting with the foundation of exposure and the basic use in this video is important, but I agree there is a lot more.

    • @ernestotapiav
      @ernestotapiav 7 місяців тому

      @@AbSesayPhoto well, like basics of how to use one? I have a seikonic 308DC, for about 8 years with me. And no idea how to use it.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому

      @@ernestotapiav this video didn't help at all on how? I was trying to explain that you plug in your ISO and shutter or when metering flash the meter will give you your aputure. Or plus in your iso and aperture and the meter would give you your shutter speed. I would recommend an in-person workshop. Or maybe ask a local photographer to show you in person. It can be much easier that way.

  • @marcperino
    @marcperino 6 місяців тому

    Offtopic:
    What kind of stand or fixture do you use for attaching the iPad?
    Could anyone from Adorama or the photographer elaborate on that?
    Thanks. ;)

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      It's a magnetic pad. I will check on the brand.

    • @marcperino
      @marcperino 6 місяців тому

      @@AbSesayPhoto that would be nice. This looks interesting. Thank you.

  • @jpdj2715
    @jpdj2715 7 місяців тому +2

    Good to summarise, Ab, "exposure" first and then cut to "light meter basics". What's next? Dome up or down, and how to point the dome, especially when up?
    Note that ISO is not an acronym or abbreviation but a word (from the classical Greek "isos" that means equivalent or same). So, when you say I-Ass-Oh it's not good - easy to remember, right? EyeSo. You find "iso" in words like "isobar" that meteorologists use on their weather maps to connect points of equal pressure, or "isotherm" for a line connecting points of equal temperature.
    What most people don't know, is that the ISO institute (that defines everyday and scientific "units") never defined "correct exposure". This means when we compare today's cameras that we can get differently exposed images if we take one brand/model's measurement and set that on the other one. Naive fluencers then would say that one of them over- or under-exposes and that's [male bovine excrement].
    So it's not true - they also forget the difference between f/stop and T-stop, plus the aperture breathing that matches your lens's focus breathing (for which we applied a "bellows extension correction factor" way back before TTL metering when shooting medium or large format).
    These are important with a discrete meter, though, still today.
    In the past, Kodak de facto defined "correct exposure" and other film manufacturers followed that (generally).
    Today, your Sekonic meter is the best keeper of Kodak's gold standard of correct exposure.
    This drives to another point, Sekonic have a calibration target (or at least had one) and this allows you to calibrate your camera - important when you use different brands next to each other.
    In doing so, you could also calibrate your lenses as a way to figure out their T-stop.
    And you could set up tests to figure out the exposure correction needed when focusing closer by than infinity.
    Dynamic Range is also a use case for the Sekonic meter and a calibration target with the matching software to interpret it.
    What we call Dynamic Range (DR) in digital today, is the camera's operating range in light levels in the same way the camera has an operating range in temperatures.
    But DR is not available completely in one shot. What actually is available in one shot is the camera's Contrast Envelope (CE). And it's good to figure that out for one's camera, and transfer the measured CE to the Sekonic meter.
    My 758 had the camera's CE on its display since I calibrated it.

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      Very Smart, great advice. I've been told this many times, and for some reason, my mouth still spits out I S O. I'll try harder for sure. There is definitely a lot to review. I did go over dome up vs dome down in the previous video, but I do need to work on a full series for sure that is linear.

    • @jpdj2715
      @jpdj2715 7 місяців тому

      @@AbSesayPhoto - You called this video "basics" and and it is, so this lays the basis for a sequel. It does not have to be linear in time, Ab, you might just call this video light metering part 1 and the older one part 2. These could be bundled into a playlist. Etc.

    • @CyclopsPhotog
      @CyclopsPhotog 7 місяців тому

      ​@absesayphoto I'd like to see more on three calibration of the meter. Thanks for all the great videos.

    • @jimowens8105
      @jimowens8105 7 місяців тому

      Great video Ab.👍 FWIW... I am old enough to remember selecting film based on the ASA/DIN standard of sensetivity. This was replaced in 197? (just to confuse us) by the International Organization for Standardization ISO 5800:2001. This is the same organization that sets standards for Quality Systems, Environmental, Safety, Mechanical, Electrical Yada yada yada. They use the acronym ISO, which to my knowledge is the source of the sensor sensativity settings in imaging cameras.
      @@AbSesayPhoto

    • @AbSesayPhoto
      @AbSesayPhoto 7 місяців тому +1

      @@jimowens8105 I like to say there are Levels to this, and man your knowledge is clearly on another level. Thank you for sharing.

  • @danielcohen9656
    @danielcohen9656 6 місяців тому

    Probably a bit too over the top for someone wanting to step into very simple light meter use, but the time lapse in this video at about 12" was really nauseating. Lots of information for me to digest however. FWIW I'm looking at a Sekonic L458.

    • @AbSesayPhoto
      @AbSesayPhoto 6 місяців тому

      Sorry if it was a bit over the top. Metering is one of those things where once you make it over the hump it all starts to make sense. Sorry about the timelapse I totally understand. If you have any questions I do check back often.

    • @danielcohen9656
      @danielcohen9656 6 місяців тому

      @@AbSesayPhoto The content is amazing, that's why I sat through the time lapse! 😂
      Might have gone a tad quick for me, but it was wonderfully explained and I'll go through it again when I'm holding the L458 soon!