OneDeep Member 216 posts Likes: 1 Joined Sep 2013 Location: Indiana More info | Dec 17, 2014 13:10 | #1 I need a better way to figure out how can I expose with flash correctly. I think I have my settings right in camera general ISO 100, SS 200 and F 4.0-6 in studio but everytime I load into LR I end up cranking up the exposure slider at least 1 stop over. Do I need a flash meter? I think I asked this before last year and the response I got was just practice, well a year later I'm still not getting perfect exposure SOOC. Personal Trainer with random hobbies.
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Dec 17, 2014 13:15 | #2  Permanent banLightmeter. 'The success of the second-rate is deplorable in itself; but it is more deplorable in that it very often obscures the genuine masterpiece. If the crowd runs after the false, it must neglect the true.' —Arthur Machen
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Chet showed up to keep the place interesting More info | Dec 17, 2014 13:23 | #3 Shoot tethered right into LR, or get a light meter.
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LeftHandedBrisket Combating camera shame since 1977...  More info | figure out how to display it and then learn to read your histogram. PSA: The above post may contain sarcasm, reply at your own risk | Not in gear database: Auto Sears 50mm 2.0 / 3x CL-360, Nikon SB-28, SunPak auto 322 D, Minolta 20
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gonzogolf dumb remark memorialized More info | Dec 17, 2014 13:33 | #5 Lightmeter is the easy answer. I'm also assuming manual flash in your examples. Until you get a lightmeter use the white towel method. Shoot a test shot with a white bath towel in the shot. Expose right up to the point where the blinkies or histogram show overexposure. You can also zoom in to see if you still have detail in the texture of the towel. The reason for a towel over another white subject is the texture.
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OneDeep THREAD STARTER Member 216 posts Likes: 1 Joined Sep 2013 Location: Indiana More info Post edited over 8 years ago by OneDeep. | Dec 17, 2014 14:40 | #6 Maybe I need to look at the histogram more but if I use a black seamless the histogram will look under exposure. Any recommendations on a light meter? Personal Trainer with random hobbies.
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seres Senior Member  580 posts Likes: 40 Joined Apr 2013 More info | Dec 17, 2014 14:42 | #7 With a light meter you can check and adjust the lighting at specific locations. I always use a light meter. —Eric
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Dec 17, 2014 14:44 | #8 you can't see that it's underexposed before you get it into Lightroom? It looks like it's exposed correctly on the preview screen on the camera? Canon 5dmkIII, Sigma 15mm f/2.8FE; 35mm f/1.4; Canon EF70-200 f/2.8L IS II; --- YN560 x 7
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Dec 17, 2014 14:50 | #9 OneDeep wrote in post #17338026  I need a better way to figure out how can I expose with flash correctly. I think I have my settings right in camera general ISO 100, SS 200 and F 4.0-6 in studio but everytime I load into LR I end up cranking up the exposure slider at least 1 stop over. Do I need a flash meter? I think I asked this before last year and the response I got was just practice, well a year later I'm still not getting perfect exposure SOOC. What are you using to determine your flash power? Guesswork? http://www.avidchick.com
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gonzogolf dumb remark memorialized More info | Dec 17, 2014 14:55 | #10 OneDeep wrote in post #17338193 Maybe I need to look at the histogram more but if I use a black seamless the histogram will look under exposure. Any recommendations on a light meter? Edit: strobe I use is alien bees Sekonic L358 or 308. You need to reread my post above and get a better understanding of ehat a histogram does.
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bobbyz Cream of the Crop 20,506 posts Likes: 3479 Joined Nov 2007 Location: Bay Area, CA More info | Dec 18, 2014 20:04 | #11 OneDeep wrote in post #17338193 Maybe I need to look at the histogram more but if I use a black seamless the histogram will look under exposure. Any recommendations on a light meter? Edit: strobe I use is alien bees Zoom in or shoot from close so your subject is filling most if the frame. Whether in focus or not doesn't matter. Now look at the histogram. Fuji XT-1, 18-55mm
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digitalparadise Awaiting the title ferry...  More info | Dec 18, 2014 20:14 | #12 This is not the best method. A flash meter is the way to go. Image Editing OK
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idsurfer Cream of the Crop  More info | Dec 18, 2014 20:30 | #13 The histogram is your friend young grasshopper. Learn to interpret it in the setting of your shot. Think about it, if shooting portraits on black seamless it is very likely something should be in the middle and on the right side of the display (i.e. your subject)...just maybe not that much. The histogram is the most powerful tool to ensure proper exposure. Secondly, remember, when shooting with flash/strobe, you are dealing with 2 different exposures…ambient and flash. This is where your light meter will be helpful in dialing in proper flash settings….FAST! Finally, the only thing I use the LCD for is to check for accurate focus…particularly when shooting with fast squirrely primes. Cory
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Wilt Reader's Digest Condensed version of War and Peace [POTN Vol 1]  More info Post edited over 8 years ago by Wilt. (3 edits in all) | Dec 18, 2014 20:32 | #14 digital paradise wrote in post #17340558 I went to a flash workshop and they basically held up a white sheet of paper in front of the model and we just adjusted the flash power so the histogram was just touching the right wall. One can argue the virtually no wedding dress is 99% reflective, but more likely only 90-92% reflective...like printer/copy paper with optical brightners. And that 99%-100% brightness only comes about by specular reflections of the light source seen in mirrors or shiney chrome objects! So unless there is a mirror, NOTHING should 'hug the right wall' or even touch it. OneDeep wrote in post #17338026 Do I need a flash meter? I think I asked this before last year and the response I got was just practice, well a year later I'm still not getting perfect exposure SOOC. The BS/bad advice that was fed to OneDeep about 'just practice' and flash exposure will come with sufficient practice...well, either chimp the histogram or use a flashmeter, I know which one is less aggravating to a waiting portrait client and less wasteful of my own time, too! You need to give me OK to edit your image and repost! Keep POTN alive and well with member support https://photography-on-the.net/forum/donate.php
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digitalparadise Awaiting the title ferry... More info | Dec 18, 2014 20:43 | #15 You are correct. I used the word touch and I should not have. There should be a space as indicated by the examples in the link. Image Editing OK
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