Why not just get a telescope?
WayneS
At 12/22/2018 06:07 PM, you wrote:
> It may have been that large. I didn't take a close look at it. I was
> absorbed in talking with the fellow who was carrying it on a shoulder strap.
> He said that even carrying it like that was tiring.
>
>>
>>> a Canon 600mm f/1.8. It was about three feet long and eight inches in
>>> diameter
>>
>>ONLY 8"?
>>
>>The entrance pupil (600/1.8/25.4) on such a beast would have been 13.12".
>>
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