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Messages - digital paradise

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106
Lr4 and CS6(ACR) are very good. Both the same. I have Dfine and Topaz and don't use them anymore. I noticed that you mentioned Lr3. Not familiar with it as I did not get into it until Lr4. Liked it so much I started using CS6 as well.

As how to use it correctly. ISO 12,800. No NR applied. The image looks both noisy and the colour is splotchy. LR and ACR colour noise defaults to 25 so put it back to zero for this demo.   



First you adjust the colour noise until the colour no longer looks splotchy. When you achieve this stop as there are no benefits to go any further. DPP calls it Chrominance which is technically the correct term.

   

Then you adjust the Luminance until the noise or grain is acceptable to you. This adjustment effects image sharpness. The higher you go the less sharp. It is a juggling act between the two and it is to your taste.

   

Final results



107
Software & Accessories / Re: Which wireless radio control for the 5D3?
« on: March 08, 2013, 06:53:23 PM »
Sorry to the OP. I misunderstood the question  :-[

108
Software & Accessories / Re: Which wireless radio control for the 5D3?
« on: March 07, 2013, 08:08:24 AM »
Check out Phottix Odin. I went with Canon RT (600EX-RT and STE3) but if I had not then I would have went with Phottix. Half the cost of PW and they work better.

By the way there is no specific wireless for your camera. The 5D3 has no wireless features. The only advantage with going Canon RT is you can access and control flash menus for on and off camera flash via LCD screen. Any 3rd party RT will just say for Canon. Canon RT is rated at 100ft.       

110
Your welcome.

112
Lighting / Re: Which flash for a 5d mkIII
« on: March 04, 2013, 03:13:16 PM »
Another vote for the 600. 

113
Lighting / Re: Bounce flash with YN-568 question
« on: March 03, 2013, 01:09:45 PM »

114
Lighting / Re: Bounce flash with YN-568 question
« on: March 03, 2013, 01:06:56 PM »
ETTL is a good tool but it as a computer trying to make it's best guess of what you want. In ETTL there is a pre flash before the actual flash. If your lens provides distance information it will do so as a confirmation when the flash is at 45 degrees and pointed forward. As soon as you tilt or swivel the flash distance information is disabled.

When you bounce ETTL is supposed to compensate but I would not trust it. Are you bouncing from a wall that is 5 or 25 feet away? Your cameras light meter has nothing to do with flash exposure but ETTL does use the system to determine exposure. Depending on your camera you can make a few changes. Typically the flash is set to evaluative but you can go into the menus and change to average. In evaluative mode the pre flash compares the ambient reading from the cameras light meter and the pre flash, isolates the subject and then outputs the correct flash power for the subject/s exposure. In average the system averages the whole scene. Ok in tight situations but no so good in large areas like a convention centre. Some people think average is better but I found the difference not substantial. There is one more thing you can try. FEL. This turns your flash metering to spot metering. Some people use FEL and meter off skin tones and adjust the FEC as required. I don't like it because it fires a pre flash and the waits for you to press the shutter. I always had to tell people to wait as the first flash was not the actual exposure.

Back to ETTL and the cameras exposure system. Like I said the system does not use the cameras light meter but does use the pre flash to determine correct exposure. A bride in a white dress, a groom in black tux and the bride and groom together will all reflect light back differently. So like your cameras ambient light meter that will expose to middle grey if you take picture of black tar or white snow the flash system will under expose the bride and over expose the groom.

So there you have it. Using ETTL you will always have to shoot, chimp and fine tune the FEC. Your histogram is your best friend when shooting in ETTL. Now that you understand it you can make better judgements to predict. When bouncing you will have to increase the FEC most of the time. When I have no choice I shoot in ETTL but will always choose manual flash if  have the time to set up and the environment will not be changing.

Here is a good link for how to use the histogram. Scroll down and look at the look at the gent holding the white towel.

http://super.nova.org/DPR/Histogram/

115
I owned one for about 5 years. A very capable lens but it does not sharpen up until F5.6. I did not like the distortion and CA at 24mm on a FF.   

116
Yeah. A lot of very base questions and often when you answer not even a thanks.

117
I wound up buying a 3rd 600 so I'm set. Got it on Tuesday. I never see Canon responding here. Have you tried the new Canon Forums? They responded to the 5D3 AF assist issue in those forums.

http://forums.usa.canon.com

118
Software & Accessories / Re: Backpack Suggestion
« on: February 28, 2013, 02:01:20 PM »
Whatever you choose be sure to always zip it up before you pick it up.

119
My new 70-200 is plus 2 @ 70 and plus 18 @ 200. It is go ing to Canon

120
You are supposed to MFA at the longest focal length. Probably to the second question. If you have a camera like the 5D3 you are covered at both ends.     

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