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Re: [OM] 2nd Annual Florida Zuikofest - Feb 14, 2013

Subject: Re: [OM] 2nd Annual Florida Zuikofest - Feb 14, 2013
From: Nathan Wajsman <photo@xxxxxxxxxxxxxx>
Date: Fri, 15 Feb 2013 07:05:21 +0100
Eeew...bug close-ups before breakfast. Was there no beach nearby with more 
appealing subjects?

Cheers,
Nathan

Nathan Wajsman
Alicante, Spain
http://www.frozenlight.eu
http://www.greatpix.eu
PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
Blog: http://nathansmusings.wordpress.com/

YNWA









On Feb 15, 2013, at 5:06 AM, Chuck Norcutt wrote:

> Dean Hansen and I got together today at the Archbold Biological Station 
> in Venus, Florida for the 2nd Annual Florida Zuikofest.  Attendance was 
> limited... only Dean and me manipulating the Zuikos.
> 
> The main purpose of today's gathering was to try out Dean's large 
> collection of OM macro gear on the OM-D E-M5.  This presented some 
> challenges since OM macro gear is most easily used with OM TTL flash. 
> We had the TTL flash gear but, of course, there's no OM TTL logic in the 
> E-M5.  We had to make do with two T-32s operating in auto mode while 
> adjusting their output and total exposure with a combination of aperture 
> and ASA setting on the flashes and physical aperture on the Zuikos and 
> ISO on the E-M5.
> 
> It took a lot of twiddling but we eventually managed some decent 
> exposures.  But during all we were plagued by problems with vibration, 
> flash brackets having difficulty holding the weight of T-32s,  lenses 
> getting in the way of the flashes, not having enough light to focus 
> properly, etc, etc.  We were shooting with bellows mount Zuiko 38 and 
> 20mm macro lenses.  We were shooting these on the telescopic auto tube 
> which offers no aperture automation on a non-OM body.  Too late in the 
> day to do us any good Dean suddenly says... "Hey, why aren't we using 
> these lenses on the auto bellows where we could stop them down with the 
> dual cable release."  I replies... "Duh... how come?"
> 
> Well, we know it will all work but doing it conveniently and being able 
> to focus well will require some ingenuity in constructing some 
> specialized equipment that allows easy focusing and rapid and precise 
> positioning of the flash units.
> 
> Below are 7 shots that are sharp enough to be of interest.  The first 
> and fourth are just a leaf at different magnifications using the 38 and 
> 20mm lenses.  The second and third are of a moderately cooperative 
> little spider (after she was chilled in the fridge) to slow her down. 
> These were shot with the 38mm and the vertical height of the photo 
> covers only maybe 4-5mm.  She's a very lovely little lady with 8 
> beautiful eyes.  We also discovered that spiders also get red eye from 
> the flash.  These shots both needed red eye repair on one eye. 
> Unfortunately we couldn't use Dean's cross-polarizers with the flashes 
> in auto mode since the filters covered the sensors.
> 
> The last 3 shots are the scales of a tiny, male butterfly who was 
> perhaps 15-20mm across.  The shots cover only a tiny spot of dark brown 
> scales on one of his wings.  The tan patch in the middle is a sort of 
> pheromone in powder form that the male sprinkles onto his intended lover 
> to make him unresistable.  We'll be marketing this soon and you'll be 
> unresistable to female butterflies.  :-)
> 
> Anyhow we had a good time even if we were only getting about one 
> reasonably exposed and in-focus shot about once per 1/2 hour.  :-)
> I'm sure the camera could have probably helped out by brightening or 
> magnifying the display but I haven't gotten that far yet.  But at least 
> the battery held out for the entire shooting session all done on the 
> display rather than EVF and I think there's still a lot left.
> 
> <http://www.chucknorcutt.com/2nd%20Annual%20Florida%20Zuikofest%20-%20Feb%2014,%202013/>
> 
> Chuck Norcutt
> 
> -- 
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> 

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