TAKO. INTERNET SEIT 1996.
Olympus-OM

Re: [OM] Ebay 20% off sale Mar 9

Subject: Re: [OM] Ebay 20% off sale Mar 9
From: Jan Steinman via olympus <olympus@xxxxxxxxxxxxxxxxx>
Date: Mon, 12 Mar 2018 11:18:43 -0700
Cc: Jan Steinman <Jan@xxxxxxxxxxxxxx>, Don Holbrook <donholbrook@xxxxxxxxxxx>
Thanks for the report, Don. Was this 2D or 3D work?

I did some work with the FC-1 and twin macro flashes, but they were just lying 
on the table, NOT mounted properly to the lens, and the subject was 2D.

2D might be all it is good for, with such razor-thin DOF, like a microscope.

Jan

> On 2018-03-12, at 11:10, Don Holbrook <donholbrook@xxxxxxxxxxx> wrote:
> 
> Jan, all the work I did with that lens was on a vertical bellows with 2 T32s 
> 8 inches off to the side.  1/4 inch subjects and film of course.  Haven't 
> used it since. I hope the two of you figure out the digital way.
> 
>> On March 12, 2018 at 1:14 PM Jan Steinman via olympus wrote:
>> 
>> 
>> Let us know what you get out of the 20/2, Moose!
>> 
>> I’ve been unsuccessful with it. It focuses too close for ring lights, 
>> although I’ve been able to side-light flat surfaces (stamps, coins) with 
>> twin lights.
>> 
>> It seems designed for Lieberkuhn illumination. The limited number of Olympus 
>> ones that were made have all disappeared onto the shelves of collectors.
>> 
>> There’s a guy who manufactures white plastic 49mm Lieberkuhn reflectors with 
>> a 20mm focal length with a 3D printer (let me know if you want the link). 
>> They are reasonable, about $7 plus an equal amount of shipping, but I 
>> haven’t been inspired yet.
>> 
>> I’m in the process of modifying an 18/3.5 hood for the purpose. I’m going to 
>> take off the cylindrical bit with the 72mm threads, then paint the inside 
>> flat white.
>> 
>> With proper illumination and focus bracketing, the 20/2 should do wonders, 
>> but I just haven’t found a practical way to harvest those wonders, so far.
>> 
>> Jan
>> 
>> >> On March 9, 2018 at 2:01 PM Moose wrote:
>> >> 
>> >> On 3/8/2018 9:28 PM, tOM Trottier wrote:
>> >> 
>> >>>> For the addicts among you...
>> >>> 
>> >>> https://pages.ebay.com/promo/2018/0309/7020.html
>> >>> 
>> >>>> WOW! THANKS!!!
>> >> 
>> >> $100 off the 20/2 Macro I've been stewing about sealed the deal.
>> 
>> -- 
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