Thibouille wrote:
The Tamron 500mm SP with a KA adaptor should work nicely then :)
I know KA adaptors are (censored) difficult to find in good condition
and not cheap at all.
It's an f8 lens. I can't get the combo to work.
2005/9/7, P. J. Alling <[EMAIL PROTECTED]>:
The FA 1.7x is very good. I've used it a number of times and it
delivers good results even when coupled
with a zoom. You may find that autofocus suffers when you use a mirror
tele. They don't really transmit
enough light. Another problem with the mirror is most are t-mounts and
most t-mounts, (all I've seen in fact),
are painted. The Pentax autofocus system needs a metal lens mount to
short the right contacts to autofocus.
Marco Ferrari wrote:
Dear all,
have you ever used this Teleconverter?
Have you some comments?
I shot slide films, and I'm interested in converting a mirror lens and the
SMC-A 50/1.4 (both
manual focus) in a long telephoto and a 85/2.38 autofocus lenses.
Thanks,
marco
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