Given that you've written about it twice now I think you'll remember.
Chuck Norcutt
On 8/23/2011 8:15 AM, Brian Swale wrote:
> Chuck wrote
>>
>> Sound like a lens hood instead of a step-up ring. But not any hood I'm
>> familiar with.
>>
>> Chuck Norcutt
>
>> On 8/22/2011 8:28 AM, Brian Swale wrote:
>>
>>> Then I remembered I had a 49-55 step-up ring, so tried to put the 55mm
>>> c-p filter on the 50/3.5 macro. One end fitted the lens OK, but what at
>>> casual inspection looked like 55mm thread on this ring proved to be
>>> nothing of the sort. I think it's not thread at all, and now I don't
>>> know what this ring accomplishes. The threads seem to be all parallel
>>> with the rim and each other. and with a too-small diameter
> The next day I was fiddling with this item, and noticed that I had stored a
> step-up and a step-down Olympus 49>55, 55>49 screwed together.
> To the uncritical and unsuspecting eye, they looked like one item, not two.
>
> Hopefully I'll remember next time - but I'm not holding my breath.
>
> Brian Swale.
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