Question about Quantaray 28-90mm f/3.5-5.6 for Pentax
My quantaray 28-90mm dose not auto focuse all the time,on my minolta maxxum 70 this will happen in any setting inside or outside I have to keep pressing the shutter button and moving the camera. HELP.It's been back to minolta 4 times
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!!
Posted on Jan 20, 2008
SOURCE: used on a Minolta Maxxum 800 si
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.
Posted on Sep 26, 2008
SOURCE: I have a Quantaray 70-300
here is a link to an ebay search for minolta to canon eos adapter, they sell for just about every camera. i know it sucks, buying a new camera that wont work with your favorite lens, but i think you might be better served focusing (couldnt help myself) on camera features and pricing. i own a canon dslr and love it. sigma has a cool dslr. it has a three layer image sensor, with a removable on sensor ir filter. the ir filter thing is really cool.
Posted on Dec 16, 2008
You should be able to. The Quantaray is a motor drive focus inside the lens and the D200 is a external motor drive. So yes you should. Put it on and see if the auto focus works.
Posted on Apr 23, 2009
SOURCE: the Quantaray 70-300mm lens
Only if you get the version with the built-in autofocus motor. The D3000 lacks a mechanical AF coupling so AF lenses which need to be driven by a motor in the camera body will require manual focussing.
Either way, you're far better manually focussing the Quantaray/Tamron 70-300mm: the AF performance is very slow, very noisy and hunts around a lot to achieve focus.
Although the Quantaray and Tamron versions are identical lenses, if you have to buy this low-quality budget model then go for the Tamron: it's absolutely no better lens quality (and usually the same price), but the manufacturer's warranty from Tamron is much better than Ritz and is internationally valid. If you resell the lens then the Tamron will have some value (not much though) and the Quantaray will be near worthless as it's not so widely known, and has a poor reputation amongst those familiar with the brand.
"Cheap" isn't always the same as "good value"...
Posted on Mar 08, 2010
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