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| 06-09-2010, 03:44 PM | #1 |
| Vivitar 2X TC + K 55/2 combi... (1 large img)
I've been testing a macro TC I picked-up from the marketplace(thanks MoreDave) with the intent of testing various lenses on it. I'm hoping to find the golden ratio(so to speak). The hopefuls so far consist of: SMC-A 50/1.4, SMC-A 50/1.7, SMC K 55/2.0, HELIOS 44-7 58/2, HELIOS 44 58/2. Without looking, I'd say the results look promising. Tomorrow, I will setup a chart and put the TC through its paces. A first shutter with the K 55/2 @ f16, TC set at 1:3 - Attempting to get the entire subject in focus. You may have to right click, view image, to see full size  ...the end Last edited by JohnBee; 05-01-2011 at 10:31 AM. | |
| 06-10-2010, 04:32 AM | #2 |
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Haven't tried them all but from your list, THE nicest lens I've ever used with the Vivitar Macro 2x TC (Vivitar) is the A50 f1.4. For sharpness, I would say it comes very close to rivaling both my DFA 100 f2.8 and The Vivitar S1 105. The TC falls kind of short when used as a regular teleconverter though. Enjoy it, for the money, it's one of the best out there. I sold both of mine to forum members some time back.  1600 | |
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| helios, k-mount, pentax lens, slr lens, smc-a, tc |
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