On 7/14/2015 4:11 AM, Eric Stevens wrote:
Does anyone have knowledge or experience of these? How good are they?
(For a particular value of 'good')


I purchased by Nikon 500 mirror used. To cooberate what Alan Browne
said, The last time I used it was several years ago. One of my friends
got a Bower, he used it a couple of times, and sold it. The reason I
would buy one used, is price. However, I would only buy with a
reasonable return period.


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PeterN