i have the quantaray tech-10 28-200 for minolta, i lost the ring for the hood and what not, i have a 72mm hood and cap for it but the actual glass is smaller, do you know where I can by a replacement adaptor?
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Re: attachment for filter and hood
If you go to the camera store that sells quantaray then they will be able to order you one if they do not have it in stock.
or you can find one on a online auction site.
you need a step down ring. I believe the size of your lens is 58 mm but you could go to any camera store and ask them to verify that. but it should also be stamped on the front of the lens written in white.
if you find 58 mm anywhere on it then I am right. And that means you need a 72 to 58 mm stepping ring.
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First, make sure that the lens diameter is 62mm. It should say on the front or on the body of the lens. If this is correct, it could be a unique mount that would require a specific brand. If it's quantaray, it might require quantaray filters. If it's an old lens, it might require an attachment to the front of the lens that would act as a filter holder for the square filter tiles.
Since Tamron has never made a lens with a fixed focal length of 72mm, I assume the 72mm is referring to the filter thread. I also assume you mean the Hoya RM72 infrared filter. The "72" in the filter name is a description of the filter and has nothing to do with its physical size. One vendor lists the RM72 filter in sizes ranging from 46mm to 77mm. As long as you get the filter to match the thread on the front of the lens then it will screw right on.
Check you manual, but it should be no problem- Sony bought Konica Minolta to have the Minolta lens mount (and engineers). Your old lens doesn't have all the internal electronics (and connections) of the new lenses, but every old minolta AF lens i've tried works fine with alpha
The Minolta AF lens will fit and work on most of the Minolta AF bodies (it will depend on exactly what lens it is as to the compatibility), you will also find that it will fit and work with the new range of Sony
digital SLR camera bodies.
The Quantaray lenses are a little bit more difficult as Quantaray make lenses for several different types of camera body, it should mention on the lens what make the lens mount is for. If you post further information about the lenses it might help.
Usually mounts are unique to a camera manufacturer. There are exceptions. Sony has the Alpha; lenses for the Konica-Minolta are the same mount. Your AF (autofocus) lens will work on it. You might also consider picking up a Konica Minolta 5D or 7D.....they're no longer made and hence are cheaply had.
The MD and Rokkor lenses won't work on the Sony Alpha.
THIS IS A CHEAP LENS (<$50 VALUE) SO I WOULDN'T LET IT DRIVE YOUR DECISIONS!!