December 21, 2014, 03:31:14 PM

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Topics - RGF

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Lighting / Technical specs for Canon 600 flash
« on: January 21, 2014, 11:29:00 AM »
Looking to understand how my flash works.  Like how does high speed synch work in detail- for example, what is the number of times it flashes at different shutter speeds, why does it go into high speed synch at 1/250 in Av mode but not M mode.

Lighting / Reco for on flash diffuser
« on: January 21, 2014, 11:26:18 AM »
Looking to buys diffuser for my 600-ex flash. I have looked at the lumiquest and honl and there seems to be a lot of to choose from. Like most products, reviews are mixed with some people pointing out the diffusers slip and other to mentioning a problem.

Software & Accessories / Reco for on flash "soft box" that travels well
« on: January 19, 2014, 09:52:01 PM »
I am looking for a soft box attachment for the Canon 600-series flash.  I need this device to (1) travel well and (2)  e stable on the camera.  Ideally I would not like to attach velcro glue strips to the flash but realize that these may be the best way to secure the soft box attachment.

Thanks in advance for all the (great) ideas.

EOS Bodies - For Stills / Problem with 1Dx AWB on cloudy days
« on: January 01, 2014, 06:57:56 PM »
I find that AWB on my 1Dx cameras does not work well.  Is this problem well known? Is there a fix for it (other than setting color temp to cloudy)?

Software & Accessories / Reco Config for Mac Pro (2013)
« on: December 29, 2013, 11:18:55 AM »
I am thinking of buying the new Mac Pro (2013) for Photoshop work.  Wondering what configuration is "best" for PS and LR cc.

4 vs 6 cores - leaning towards 6 cores
32 GB Ram - occasionally work on files with large number of layers or 16x48 pans.  Total size on disk is top 2GB.
GPU - base 300 or upgrade to 500?  Monitors will be current spectra view 25" and 23" (not 4K)

Nearly zero video editing

does this make sense?  What about the GPU?  Recommendations?



Lenses / Replacement foot for Canon 600II
« on: November 18, 2013, 05:43:49 PM »
Yes I just got.

I am looking for a replacement foot for this lens.  Both the regular foot and short foor take up extra rooms in the bag  take up too much space in the bag.  I am lookig ath 4th genreation design (see or the Wimberley AP-602 (

Both are very low and can not be used as a handle but will save considerable room in the camera bag when traveling.

Any opinion?  Any other choices?  My fall back position is the monopod foot that came with the lens.



Software & Accessories / New Sandisk Extreme card
« on: November 08, 2013, 03:22:25 PM »
I notice Sandisk has introduced a new Extreme CF card - package is gold. This could be old news, but wonder how fast these cards are compared to the Extreme Pro CF card (VPG-20 vs VPG-65) in a Canon 1Dx.


Software & Accessories / Looking for information on a "beam tripper"
« on: October 05, 2013, 05:37:28 PM »
At least that is what I have heard it called.

Either fires the camera based upon sound or when the beam of light is blocked, hopefully has an adjustable delay.  I imagine capturing a drop hitting the surface of water, balloon exploding, egg exploding, ... 

Lenses / Will the 28-300L be upgraded??
« on: September 23, 2013, 10:34:22 PM »
The 28-300L is a unique lens - exceptional range and ok, but not great IQ.

As Canon cycles through it's lenses, any rumors, thoughts, etc about the future of this lens.

Software & Accessories / When will,cards go on sale
« on: September 22, 2013, 10:28:20 PM »
I am looking to buy several high end cards (lexar 1000x or Sandisk extreme pro).    Prices have been fairly - wondering if we will see a price drop this fall - Black Friday or event a few days earlier

Any thoughts?

Software & Accessories / New Sandisk Extreme Pro CF cards
« on: September 17, 2013, 09:45:23 AM »
Saw the B&H newsletter/advertisement and looked at the Sandisk Extreme Pro cards on their web site.    Cards seem to faster though still UDMA 7 - 150/160 read/write.

Are tese new?

Lenses / Any chance Canon will incorporate 1.4x into Great Whites?
« on: August 18, 2013, 04:35:27 PM »
Having used the 200-400 on several trips, I can say that they incorporation of the 1.4 into the lens is a great plus.

I would love to see this in their long lenses, especially 500, 600 and 800.

Don't expect to see this soon, but it would be nice.

EOS Bodies - For Stills / GPS suggestions
« on: July 09, 2013, 04:34:54 AM »
Right now is testing geotag on my iPhone.  I don't need high accuracy but more of a reminder where I was.  Other suggestions to test.   Test of iPhone geotag will done later this week when I get home

EOS Bodies / Pick between two options for the Canon 7D II
« on: June 24, 2013, 10:56:25 PM »
Hard choice.  In the end I would go with lower MP (assuming that they are clean) and better S/N and gain FPS.

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