>>All this means that in many cases you might consider taking a reflex
>>lens along, where you would leave the heavy 300 mm or 400 at home
>>because of its weight
>
>Actually, this is the appropriate opportunity to mention the 300/f5.6
>mirrors category. Most were VERY compact -- about the size of a Zuiko
>55mm F1.2, and some were much better than average. Two of them in
>particular created some positive buzz: M*n*lta's 250/f5.6 Rokkor-X
>and Tamron's SP 350/f5.6. The former was only available in M/MD mount,
>whereas the latter was almost as big in size as its 500/f8 sibling,
>and almost as costly. And so both these specimen are now history
Also, this is the appropriate opportunity to mention that I've held a
500/f4 mirror lens. It was a pure cannon ! Something 15 cm wide and 30
cm long, quite impressive. Unfortunately, one or another b*st*rd had
ruined the focussing mechanism when he wanted to turn the marvel into a
flatfield telescope...
--
Peter Leyssens
Eonic Systems
Personal e-mail : Peter.Leyssens@xxxxxxxxx
Support mail : support@xxxxxxxxx
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