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Old Jan 28, 2005, 4:14 PM   #1
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Olympus B-300 occassionally availbale on ebay or Olympus TCON - 14B or Olympus TCON - 17.

Is there any advantage to going over 600MM in Zoom capabilities? Is the weight of any a problem? The early TCON 17 had 4 elements and 4 groups and the new one has 3 and 3. Is there any difference? I am leaning toward the TCON -14B just because of all the reviews but that's all I know.

Is there another teleconverter I should be looking at? I'd like to keep the price in the same ballpark?


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Old Jan 28, 2005, 4:32 PM   #2
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check out this link for some help.

http://www.cs.mtu.edu/~shene/DigiCam/
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Old Jan 28, 2005, 5:11 PM   #3
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The b300 and tcon17 are essentailly identical; 55mm threads, 1.7x tele, 5 elements in 3 groups. The tcon17 replaced the discontinued b300 a couple of years ago. The 14b is probably the better tele but is 1.45x and is quite a bit larger/heavier than the tcon17; 16.8oz vs 9.2oz. The 14b has 62mm threads. What camera and adapter do you have?
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Old Jan 28, 2005, 6:52 PM   #4
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Another site to compare more tele lens.

http://www.pbase.com/10kzoomfz/telec...er_comparisons
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Old Jan 29, 2005, 12:10 AM   #5
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mlhm5 wrote:
Quote:
Olympus B-300 occassionally availbale on ebay or Olympus TCON - 14B or Olympus TCON - 17.

Is there any advantage to going over 600MM in Zoom capabilities? Is the weight of any a problem? The early TCON 17 had 4 elements and 4 groups and the new one has 3 and 3. Is there any difference? I am leaning toward the TCON -14B just because of all the reviews but that's all I know.

Is there another teleconverter I should be looking at? I'd like to keep the price in the same ballpark?

FZ10 with Tcon 14B results effect zoom is 600mm




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Old Jan 29, 2005, 3:12 PM   #6
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Yet another great site:
http://nighthead.adzoo.jp/fz/telecon/telecon.htm
http://nighthead.adzoo.jp/fz/telecon/telecon1.htm
http://nighthead.adzoo.jp/fz/telecon/telecon2.htm

Pozdrav,
Erv
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Old Jan 30, 2005, 12:48 PM   #7
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Erv, thanks for posting the links to this site, it's exactly what I've been looking for. The full resolution pictures really tell the story. I've downloaded the pictures and by quickly going back and fourth you can easily spot the differences between the lenses. This has helped me to confirm that the TCON 14B for $150.00 is the best deal going, even though it's a little soft on the outer edges of the pictures compared to the Panasonic. I think it beats it in most instances on CA (purple fringing) and it's a bargin at 1/3 the price. Thanks again...Guaz
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