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Tamron SP 70-210mm F/3.5 19AH: won't focus at infinity
"TJ" wrote in message ... Advice please I have a Tamron SP 70-210mm F/3.5 Model 19AH: with the Adaptall 2 for Canon EOS on a 450D body. It is wonderfully sharp - but won't focus sharply on infinity - like the moon. What to do? I know a few people had issues with the Maxxum and the EOS Tamron Adaptall 2 mount. That's why Tamron dropped them fairly early on.They often wouldn't allow infinity focus, Canon had the same issue with their own FD-EOS adapter. |
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Tamron SP 70-210mm F/3.5 19AH: won't focus at infinity
SPAM.WATCH wrote:
I know a few people had issues with the Maxxum and the EOS Tamron Adaptall 2 mount. That's why Tamron dropped them fairly early on.They often wouldn't allow infinity focus, Canon had the same issue with their own FD-EOS adapter. Canon's FD-EOS adapter had no infinity focus problems. After all, it was designed as a 1.25x (IIRC) teleconverter (extender) to circumvent the problem (and it only worked with the long lenses). Cheap FD-EOS converters (without optics) have infinity problems, and cheap ones with optics have quality problems. -Wolfgang |
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Tamron SP 70-210mm F/3.5 19AH: won't focus at infinity
In article , Wolfgang
Weisselberg wrote: SPAM.WATCH wrote: I know a few people had issues with the Maxxum and the EOS Tamron Adaptall 2 mount. That's why Tamron dropped them fairly early on.They often wouldn't allow infinity focus, Canon had the same issue with their own FD-EOS adapter. Canon's FD-EOS adapter had no infinity focus problems. After all, it was designed as a 1.25x (IIRC) teleconverter (extender) to circumvent the problem (and it only worked with the long lenses). Cheap FD-EOS converters (without optics) have infinity problems, and cheap ones with optics have quality problems. canon offered two adapters, one that was a weak teleconverter (and with limited availability) and one that had no optics and was much cheaper, and that one *did* result in no infinity focus. |
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