[BirdDude007]

Hey all I think this lens is a Quantaray but am not sure. What kind is it? can anyone tell me? what is a good price for it? is it worth pursuing? or should I just pass on this one?
the main thing I like about it is the reach, other than that it dont matter. It is in excellent condition and mounts right up to my K-x without a hitch and works great on it as well.
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Last edited by BirdDude007; 10-30-2011 at 02:23 PM.

[RioRico]

Here is what I think I know:

Quantaray was/is a house brand and the name would be prominently displayed. From the serial number and other inscriptions, I think it may be hard to track down -- one of the gurus over at Manual Focus Lenses forum might be able to help.

Optical quality? Probably not top-notch, but these early zooms may possess interesting 'character' (ie aberrations).

Value? I got an A-type Promaster (Tamron) 60-300 push-pull, maybe a decade or so newer than this, for US$13. And I've kept it because 1) I haven't many A-type lenses, and 2) it doesn't suck too bad. My rule for used lenses:

If it costs less than a sandwich or hamburger, buy it.
If it costs more than an extra-large pizza, think hard about it.
If it costs more than a fancy dinner out with your partner, ask questions here!

I'll guess that the current eBay price for something like that is maybe US$20, likely less. If throwing away US$15 won't hurt you too much, go for it. If it's more than US$20, look for something else.