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guyharrisonphoto

Member Since 15 Jun 2011
Offline Last Active Aug 18 2017 02:24 AM
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Topics I've Started

Blackwater tips?

29 June 2017 - 11:40 AM

Doing my first blackwater dive tomorrow nite.

 

My rig is the OMD-EM5 mark 1, nauti housing, Oly 60mm macro, Keldan 4x video, one S&S YS-D1 strobe.

 

No idea for settings.

 

Should I spot meter and link the metering to the focus point?

 

Recommended aperture and shutter and ISO just as a starting point?

 

I assume continuous AF

 

TTL flash if exposure is linked to focus point.  If not, what manual settings?

 

Will the Keldan (6K lumens) be bright enough so I don't need the strobe?

 

Strobe positioning tips for backscatter?

 

Any help would be appreciated, I have no idea of where to begin . . . 

 

Thanks!!


1/160 sync--deal breaker?

15 June 2017 - 05:06 AM

Hi,

 

I am considering moving to a sony a6500 from my Oly em-5 original version.  My em-5 syncs at 1/250  The A-6500 syncs at 1/160.  This is a difference of 2/3 stop.

 

Is this a serious disadvantage, especially when shooting animals/divers with sunballs in clear tropical waters?  I have see some A-6500 sample pics where the lens was fully stopped down and the subject properly exposed with flash at 1/160, but the sunball was still too large and blown out, but I don't know if the difference in sync speed would make any difference.

 

so, I thought I would ask more experienced people here what they think.  Are there other disadvantages that I should know about?

 

Or, is this  really not that big a deal.

 

EDIT,  I thought I read somewhere that someone  tested the A-6500 with manual flash at 1/250 and there was no issue with the shutter blades.  Does anyone know about this?  Will the camera even allow this?

 

Thanks!


RETRA Strobe Thread

28 February 2017 - 01:17 PM

Hi,

 

I am starting this thread for anyone who has purchased or is thinking about purchasing the new Retra strobes.  I am taking a gamble and just ordered two of them. Retra has been great at responding to comments in the discussion under Alex Mustard's articles, but that seems an awkward place for it.  So, I am starting this for anyone who has questions, or for Retra to comment and keep everyone posted.

 

If this violates any forum rules let me know, but it seems there is a lot of interest in these so I hope this will be a service.

 

Best Regards

 

Guy


A6500 experiences

20 February 2017 - 06:29 AM

Is anyone shooting yet with this underwater?  Probably will get response from dealers as it is so new.  But, I would like input on

 

1.  Any overheating issues when shooting 4K?

 

2.  Continuous/tracking autofocus performance when shooting video

 

3.  How good is the IBIS for video--available in all modes incl 4k?

 

4.  White balance

 

I am looking to move up from my EM-5 (mark I) and this looks like a top contender.