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Old Dec 17, 2005, 11:47 AM   #1
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I am disabled and unable to chase a shot.I find myself having to us the digital zoom a lot of times with my FZ15 and TCON-14B. Which lens would be best tostackon my 14B?

Don
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Old Dec 17, 2005, 12:23 PM   #2
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Hi Don. I had a great website saved that showed the results with many different combinations. unfortunately due to some bad advice from my Internet provider I lost all my "favorites". I do remember that the Canon TL55 and 14B yielded very good results. The TL55 has no front threads, so a little modification needs to be made by using the threads of a cheap filter removing the glass and gluing it in. Since the TL55 is the smaller of the two lenses, logic dictates that the 14B should be stacked in front of it. The test on the lost website was done the opposite way with the TL55 in front and it showed quite a bit of vignetting at 12X disappearing at 18X digital....but of coarse all the other combos vignetted more. The down side is that the TL55 is only a 1.4 power. A more powerful combo would be the TCON17+14B, but I didn't think it yielded as good a result and the vignetting was more pronounced.

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Old Dec 17, 2005, 12:59 PM   #3
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from what i'v heard, the TL-55 is a pretty "soft" lenscompared to the TCON-14B. it also has no front threads, and trying to find enough step rings to go from the 86mm front threads on the -14B to the 55mm mounting threads of the TL-55 could be a serious problem. cobbling together a front thread for the TL-55 by gluing in a step ring or the like might work, but remember, that TCON-14B weighs a full 16 oz, and i wouldn't want to hang it from anything that wasn't VERY sturdy and secure...

i haven't tried stacking one converter on another -the TCON-14B gives me enough reach for most anything i need to do -but if you plan to stack 'em, you need the sharpest optics you can get to avoid dull, fuzzy pictures. here's a link that may help, though it doesn't get into stacking converters. at least it might give you some ideas as to which ones would be most compatible with your -14B, and which would produce the best results... it covers a lot of other useful information as well, and since the FZ10 and '20 are physically the same, all the fitments will be identical...

http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/FZ-10/
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Old Dec 17, 2005, 1:27 PM   #4
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I had saved a few pics off of that website. Here is a comparison of the two combos I mentioned. As you can see the TCON 14B+17 is a more powerful combo, but it has too much color shift (blue-purple fringing) for my taste. You be the judge.

Hiroshi
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Old Dec 17, 2005, 1:54 PM   #5
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I would not disagree with loosing quality as you add lenses but a couple lenses without digital zoom is not too bad.

Here are some shots with various lenses under different conditions to maybe give you and Idea.

http://imageevent.com/grc6/toshareon...tion/wildlife4



And while stacking lenses is not the best idea it can get a shot otherwise not possible. and it has one advantage of being able to see and focus that you may not be able to do if you were to rely on PS doing the enlargement
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Old Dec 17, 2005, 2:28 PM   #6
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genece wrote:
Quote:
I would not disagree with loosing quality as you add lenses but a couple lenses without digital zoom is not too bad.

Here are some shots with various lenses under different conditions to maybe give you and Idea.

http://imageevent.com/grc6/toshareon...tion/wildlife4



And while stacking lenses is not the best idea it can get a shot otherwise not possible. and it has one advantage of being able to see and focus that you may not be able to do if you were to rely on PS doing the enlargement
Gene, thanks for the head-up on the website

Hiroshi
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Old Dec 17, 2005, 3:39 PM   #7
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I recall viewing those pages you've shown the images from. I know I have it bookmarked... somewhere! :?


Various web sites exploring teleconverters....

http://www.turpin-tyner.net/zoom_test2.htm

http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/FZ-10/

http://www.cs.mtu.edu/~shene/DigiCam/User-Guide/FZ-30/

http://www.pbase.com/10kzoomfz/fz10_...nd_information



This was the original link I believe...

http://www.pbase.com/10kzoomfz/telec...er_comparisons

Looks like the page has been edited and the content removed.

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