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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 26 Apr 2011 (Tuesday) 12:03
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How to check light meter kenko 1100

 
ukcyberboy
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Apr 26, 2011 12:03 |  #1

I am just asking as I am not sure my pictures are correct.
I tried a light test with the sunny 16 rule ie ss 100 iso 100 and f/16.
Any help or test I can using a flash and what I should be looking for on the histograph.
I have some pics that I can post.


Body | Canon 6D |
Lens | Yongnuo 50mm 1.8 |
Lens | Canon 28-70 2.8 L |
Lens | Canon 70-200is F4 L |
Lighting | Yongnuo YN600RX |
Accessories | Various Bits |​

  
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Wilt
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Apr 27, 2011 00:05 |  #2

If you do not have access to a second meter to compare against, here is the only thing I can think of to try to compare...

a. Get an 18% gray card, meter it with Spot mode in your camera meter, shoot a photo of that card. That becomes your 'proper exposure' density to compare against the next step.
b. Meter the flash with your Kenko, take a flash photo of the 18% gray card at that indicated combination of aperture and shutter speed.
c. Compare density of shot A with density of shot B...they should be fairly similar.

BTW, I have found that my own 40D spot meters the 18% gray card at the same light reading as obtained with my Minolta Autometer Vf in incident mode (that same meter later began to be marketed by Kenko)


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PhotosGuy
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Apr 27, 2011 10:59 |  #3

Or you can try my 1-cent flash "meter" in images 5S & 6S.
Simple 2 Light Portrait Set-up


FrankC - 20D, RAW, Manual everything...
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Find the light... A few Car Lighting Tips, and MOVE YOUR FEET!
Have you thought about making your own book? // Need an exposure crutch?
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ukcyberboy
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Apr 27, 2011 13:40 as a reply to  @ PhotosGuy's post |  #4

Thanks I will try that.


Body | Canon 6D |
Lens | Yongnuo 50mm 1.8 |
Lens | Canon 28-70 2.8 L |
Lens | Canon 70-200is F4 L |
Lighting | Yongnuo YN600RX |
Accessories | Various Bits |​

  
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Wilt
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Apr 27, 2011 14:03 |  #5

I just ran the test which I suggested. Ambient ISO 400 metered 1/10 f/4, flash metered ISO 400 1/200 f/11 (flash Manual). A part of each frame, and the corresponding histograms, with no adjustment to RAW other than for White Brightness setting.

IMAGE: http://i69.photobucket.com/albums/i63/wiltonw/Ambientmetered.jpg
Ambient
IMAGE: http://i69.photobucket.com/albums/i63/wiltonw/Flashf11metered.jpg
Flash

Proves the test works!

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.p​hp
Canon dSLR system, Olympus OM 35mm system, Bronica ETRSi 645 system, Horseman LS 4x5 system, Metz flashes, Dynalite studio lighting, and too many accessories to mention

  
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ukcyberboy
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Apr 27, 2011 14:57 as a reply to  @ Wilt's post |  #6

I will give this ago thanks very much.


Body | Canon 6D |
Lens | Yongnuo 50mm 1.8 |
Lens | Canon 28-70 2.8 L |
Lens | Canon 70-200is F4 L |
Lighting | Yongnuo YN600RX |
Accessories | Various Bits |​

  
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How to check light meter kenko 1100
FORUMS General Gear Talk Flash and Studio Lighting 
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