On 4/20/2010 8:36 AM, Chuck Norcutt wrote:
> Could be. I'd been thinking about doing some tree bud macros in the yard but
> the weather hasn't been conducive so far... much too windy. If I do it
> what's your lens choice? I have 50/1.8 and 1.4, 50/3.5 macro, 85/2 and
> 90/2.5 Vivitar series 1 macro amongst the likely candidates. I hope I can
> find the bellows to retrieve the focusing rail. :-)
>
Here's the instructions.
<http://www.moosemystic.net/Gallery/tech/Lenses/VIV2xMacro/TelMacro.jpg>
I would start with the 50/1.4, The device is really optimized for 50mm
and with the 50/3.5, the 2x part means starting at f7 wide open. The
amount of extension is designed to take a typical 50mm 'normal' lens and
extend it to 1:1. On a longer lens, it naturally has less effect.
Moose
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