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01-20-2010, 05:34 PM   #1
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Help with Tele converter

Okay, so I bought a ton of lenses on ebay for $200 (including a near-mint smc-a 70-210! woo!). The seller threw in seven manual tele-converters of various brands and conditions. Most are dusty, but I can clean them up with the lens wipes he also threw in. The brands are:

Vivitar Automatic Tele Converter 2x-22 (google value is $10)
Vivitar MC Tele Converter 2x-22
Toya Optics Auto Tele Converter 2x For PK w/ Case
Calman Auto Tele Converter 2x for Pentax-K (google[ebay] value is $230...doubt it)
Quantaray 7 Element Auto Tele Converter 2x MC For P/K
Promaster Spectrum 7 Auto Tele Converter MC For PK (google[ebay] value is $50)

and one that bluntly says "Focal MC PK 2X Converter". No company name. But it has the sticker "20-06-75" on it.

I never use them. Ever. So I was thinking of sell thing them. The problem is I don't know what they're worth. The pentax fourm lens review doesnt have these in it.

01-20-2010, 06:03 PM   #2
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If there are no other references of prices online for these TCs, they could be guessed anywhere between $10 and $50. They really wouldn't be worth much as MF TCs.
01-20-2010, 06:26 PM   #3
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Thanks ash. I'm hoping to get a least just $20 from a couple. (I'm $26 short from getting a medium format lens)

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