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Re: [OM] Have E-M5 and E-M1 users noticed...

Subject: Re: [OM] Have E-M5 and E-M1 users noticed...
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Tue, 30 Dec 2014 07:28:58 +0800
Oh! Missed the flash sync speed as mentioned in my previous email.

C.H.Ling

----- Original Message ----- From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>


Low ISO will not help fill flash, fill flash effectiveness only affected by ambient light, shooting distance and flash power. You need high flash power to get long working distance, reduce ISO will reduce flash GN at the same time.

C.H.Ling

----- Original Message ----- From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>


I don't know why Canon did it but I see low ISO as an aid to bright sun fill flash. It may well have reduced dynamic range but that may be a small penalty to pay for getting the shot at all. You can maybe solve the problem with high-speed sync flash units but that produces problems of another sort... the flash range is pretty short because it requires a lot of flash power to fire the flash multiple times in a short time interval. Even so, I (grits teeth) am actually considering buying a Metz 52-AF1 digital flash for micro 4/3 cameras. It's regularly $289 (same as an FL-600R) but it's more powerful and has a $60 rebate from Bogen/Manfrotto if you buy by the end of January. B&H's site says by the end of December 2014 but if you download the actual rebate form you'll see it's January 2015. B&H error or big fib??

Dr. (don't say it, TTL) Flash ???

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