What would anyone recommend as a good 2x teleconverter for M42?
I know the 7-element design is preferred...there just seems to be so many
low quality ones on ebay, and I can't tell the difference...
Mark
Most Outdoor pros that I am familar with won't reccommend or use a 2X converter
due to the loss of 2 f stops and image degradation.
Kenneth Waller
-Original Message-
From: Mark Pickett [EMAIL PROTECTED]
Sent: Apr 28, 2005 4:39 AM
To: pentax-discuss@pdml.net
Subject: RE: Question about
Komura Telemor II or Telemor 95. Available in M42 and Pentax ES/F mount
versions is probably the
best.
Mark Pickett wrote:
What would anyone recommend as a good 2x teleconverter for M42?
I know the 7-element design is preferred...there just seems to be so many
low quality ones on ebay, and I
On 28 Apr 2005 at 1:24, Fred wrote:
In my opionion most early Pentax and non-
Pentax teleconvertors really aren't worth wasting time with, they often
lower
contrast significantly and introduce aberrations such as CA towards the
edges
of the frame.
Hi, Rob. As far as I know, the
What would anyone recommend as a good 2x teleconverter for M42?
I know the 7-element design is preferred...there just seems to be so many
low quality ones on ebay, and I can't tell the difference...
Mark
Komura Telemore is a very good one. Vivitar Macro 2X is also very
good. Both multi-coated.
Message -
From: Kenneth Waller [EMAIL PROTECTED]
To: pentax-discuss@pdml.net
Sent: Thursday, April 28, 2005 8:03 AM
Subject: RE: Question about tele-converters.
Most Outdoor pros that I am familar with won't reccommend or use a 2X
converter due to the loss of 2 f stops and image degradation.
On Wed, 27 Apr 2005, luben wrote:
Now on my hesitations. I would like to purchase a x2 teleconverter for
KA/KA2 mount. I have found on ebay:
1/ Vivitar KA x2 tele-converter (4 lenses, Vivitar has also another
series with 7 elements)
2/ Takumar-A 2x tele-converter (I suppose it is KA
Hum..? I guess I did not have that clearly visable in the Mini-FAQ. Also PESO
seems to now be the preferred acronym, so I have revised the Mini-FAQ
accordingly.
http://graywolfphoto.com/pentax/pdml-faq.html
I am sorry that I have not been keeping up with posting the link like I should.
Would that be a LESO, then?
pancho
Graywolf wrote:
If someone else would post the link every so often in the meanwhile I would
appreciate it.
Would that be a LESO, then?
No! - Please! - NOT another acronym to filter out...
Fred
On 27 Apr 2005 at 21:12, luben wrote:
Now on my hesitations. I would like to purchase a x2 teleconverter for
KA/KA2 mount. I have found on ebay:
1/ Vivitar KA x2 tele-converter (4 lenses, Vivitar has also another
series with 7 elements)
2/ Takumar-A 2x tele-converter (I
Kostas Kavoussanakis wrote:
Generally:
- Look for 7-element T/Cs (the Vivitar 2x Macro focusing T/C has a
good reputation).
- The higher the magnification of the T/C the more compromised image
you can expect (very general comment, applicable all things being
equal).
- The Takumar K-mount
In my opionion most early Pentax and non-
Pentax teleconvertors really aren't worth wasting time with, they often lower
contrast significantly and introduce aberrations such as CA towards the edges
of the frame.
Hi, Rob. As far as I know, the first Pentax TC was the (6-element) T6-2X,
and
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