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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