Pentax TC Converter A-2XS, how it works?
Posted 26/09/2009 - 07:59
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Its an excellent converter. I've used one combined with an A400 f/5.6 for taking shots of the moon. All the genuine Pentax converters are excellent.
/Ian
/Ian
K10D & Super A user.
Posted 26/09/2009 - 11:10
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As I have understood it, the TC Converter A-2XS should be used with prime A lenses no longer than 200MM.
There is also a TC Converter A-2XL which should cover 300MM and above.
I could be wrong though.
There is also a TC Converter A-2XL which should cover 300MM and above.
I could be wrong though.
Posted 26/09/2009 - 11:23
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You're right or close enough to right Martin. I haven't checked at what point the L converter needs to be used, but the principle is as you say.
Best regards, John
Posted 26/09/2009 - 11:29
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Actually its 300mm and the TC A-2XL should be used on longer lenses.
Ken
“We must avoid however, snapping away, shooting quickly and without thought, overloading ourselves with unnecessary images that clutter our memory and diminish the clarity of the whole.” - Henri Cartier-Bresson -
“We must avoid however, snapping away, shooting quickly and without thought, overloading ourselves with unnecessary images that clutter our memory and diminish the clarity of the whole.” - Henri Cartier-Bresson -
Posted 27/09/2009 - 11:46
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I'd have thought any vignetting would be on 35mm, with the APS-C sensor in a digital body being small enough to avoid the vignetting effect.
Pentax K10d; Metz mecablitz 48 AF-1; Pentax A 50mm F2; Pentax 18-55mm DAII; Sigma 28-300mm F3.5-5.6; Koboron 24-70mm F3.5-4.8. Pentax MZ-7, Zenit 35mm
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