Question about Quantaray Camera Lenses
Dear sir or Madam. I am the proud owner of a Sony Minolta AF Quantaray (Sigma) 70-300mm f/4-5.6 LD Macro. This is one of your old lenses. I have searched your website for any specifications for this lens, however I could not find any. Will it be possible to email me the Lens specification.
Depending on how new your Minolta SLR film camera was, the lens may or may not work on a Minolta Digital SLR. In many cases, a lens with the correct mount (in this case, a Minolta mount) can be used on the same brand of camera in the digital format.
One thing you should know is that DSLR sensors are, generally speaking, smaller than the size of a 35mm film negative. Long story short, that means that your lens will have a magnification factor on the DSLR. Usually, it is in the range of 150%, so a 70-300 lens from a film camera would cover 105 to 450 on a Digital SLR.
To be sure about the mount, you'll need to seek advice specific to Minoltas -- probably best to take your lens to a local camera shop and see for sure if it fits and what features will work (aperature, auto-focus, etc) and which won't work on the DSLR.
Posted on Dec 11, 2009
Hi Is the 28-70 a DF type if so it will work on a canon DSLR but if its the older one with the scale ring is on the outside of the lens it will need a rechip but I think thay are no longer avabile the 70-300 if is a super it will work or need a rechip if its a older one with a macro switch held on the lens with 2 screws it to old to up grade
Posted on Jan 01, 2010
The problem you are encountering is with the screw head interface between the lens and the camera body. They just are not locking together properly. Sounds like you need to send her in for repair.
Posted on Mar 26, 2010
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
Posted on Jun 02, 2010
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