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04-21-2013, 02:37 PM   #1
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Vivitar 75-205mm 1:3.8 MC Macro Zoom Lens with 2x Matched Multiplier?

I recently was able to get a Vivitar 75-205mm 1:3.8 MC Macro Zoom Lens for quite cheap. I'm planning to use it indoors (theater, music), so I'll be using it wide open. If I understand correctly, that means I should be able to use it in Aperture setting and let my K-x do the metering.

The lens is well-liked among users here (review), but none of those reviews mention the Vivitar 75-205 2x Matched Multiplier that is available.
Does anyone have experience with using this combination?

I have a not-terrible 2x teleconverter, but I'm wondering if this matched teleconverter is significantly better and worth trying to find/buy.
Thanks for any advice!

04-22-2013, 02:33 AM   #2
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I got this lens last year, also cheap. Not a bad lens, I find the focusing a bit finicky compared to other lenses. at 3.8 it's also sharper than my Tamron 70-300 at 70mm. I didn't get the matched multiplier..but it seems that the matched multiplier is specifically made for the lens in question and results in better quality from what I read online, significantly better. If they aren't expensive I wouldn't mind trying one as well. You got a lead on one?
04-23-2013, 06:02 AM   #3
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Thanks for replying! I have not yet received the lens, but I'm glad to hear that you find it sharp at 3.8. My generic "not terrible" teleconverter basically does no worse than simply cropping an image without the teleconverter. For now, I'm just watching the usual suspects to see if the matched multiplier shows up for cheap.
04-23-2013, 06:11 AM   #4
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From one site I read, they talked about a vivitar matched multiplier being as sharp as a prime lens..so they must be good. I wouldn't mind getting one. It would greatly extend my reach, but I'm not even sure where I'd find something like that. My current max is 450 mm (3x1.5), but with a matched multiplier, I could hit 600mm with the vivitar. That would be interesting.

08-02-2013, 07:59 AM   #5
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I'll update this thread in case anyone comes across it...
I did get the Vivitar MC 75-205mm 2x Matched Multiplier.
  • In general, it was better than using a non-matched 2x teleconverter I also have. (A not-terrible Focal 2x)
  • Especially in f5.6-f8 range, using the 2x Matched Multiplier delivered better results with its effective 410mm than without the multiplier at 205mm and enlarging to double size.
  • The Vivitar tends to have purple fringing (largely removeable) with or without the multiplier. It diminishes as you close down.
  • The Vivitar at 205mm with the 2x Multiplier competes favorably with the DAL 55-300, but the DAL is easier to use (focus and metering) and has less PF. In low light, however, the Vivitar remains the faster lens.
An additional comment on the Vivitar 75-205 f3.8 on its own: The Vivitar is a decent lens but the DAL 55-300 is easier to use and mostly gets better results. Use the Vivitar in low light when needing to shoot f3.8-5.6.
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