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Old Feb 1, 2004, 9:16 AM   #1
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Default Dimange A1 3x teleconverters

Hi,

I would like to buy a poweful teleconverter for my Dimage A1 camera. However, I don't know what model offers high performance (possibly 3x, but also lower is ok, if the quality is good) and low or no vignetting effect.

Could anyone give me a good advice?

Thanks.

Regards.
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Old Feb 1, 2004, 1:29 PM   #2
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The Oly TCON 17 at 1.7X is probably the most practical solution with a 49-55mm adapter ring. There is vignetting at anything but telephoto, but I donít see much sense in taking the light and slight resolution hit using it for anything but telephoto shots anyway.

You can use some 2X converters from other camera manufacturers but they get really bulky and pricey. I donít know of a 3X that will give decent photo quality on anything. The TCON 17 is reasonably compact and inexpensive. It is also quite sharp.

I guess you are aware that with the light loss and longer zoom you will need a tripod for many shots using a teleconverter. I have read posts by people who stack TCON 17s, but at a big hit in light and probably some in resolution.

There is some good discussion here even though it refers to Panasonic FZ10: http://forums.dpreview.com/forums/re...essage=7389508 There is some discussion on the A1 but it doesnít have the depth: http://forums.dpreview.com/forums/re...essage=7463717
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Old Feb 1, 2004, 4:53 PM   #3
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Default Re: Dimange A1 3x teleconverters

Quote:
Originally Posted by curcio
I would like to buy a poweful teleconverter for my Dimage A1 camera. However, I don't know what model offers high performance (possibly 3x, but also lower is ok, if the quality is good) and low or no vignetting effect.
Currently, there is no A1 usable and high quality 3X converters. The two good ones are Olympus TCON 3X for E10 and E20, and Nikon's TC-E3ED. You will have difficulty in mounting the former on to a A1. The latter has 28mm thread and will definitely vignette seriously. Kenko also has a 3X, but its image quality is not good.

There are other lower power options such as Olympus TCON-17 1.7X and TCON-14B (1.45X), and Sony VCL HGD1758 1.7X. The TCON-17 will cause a slight vignetting at the corners. See the following post for more details.
http://www.stevesforums.com/phpBB2/v...ic.php?t=17608

CK
http://www.cs.mtu.edu/~shene/DigiCam
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Old Mar 2, 2004, 6:34 AM   #4
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Hi again,

thanks again for the information.

Currently I have two tele candidates:

- Olympus TCON-17, which costs about $100
- Raynox DCR-1800, about the same price.

Has anyone tried the Raynox one and compared it with the Olympus? At least Raynox claims that the DCR-1800 is well suited for the DImage A1 (see http://www.raynox.co.jp/english/digital/egdimage7hi.htm).
The good thing is that the Raynox weights only 165g, but I don't know about the Olympus one.

Thanks again.
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Old Mar 2, 2004, 7:02 AM   #5
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Hi again,

in addition to the above two mentioned in my previous post (Olympus and Raynox), I have found several cheap teleconverters on eBay. However, I have no idea about their quality. Has anyone tried for example these:

http://cgi.ebay.com/ws/eBayISAPI.dll...category=48525

or

http://cgi.ebay.com/ws/eBayISAPI.dll...category=30070

or

http://cgi.ebay.com/ws/eBayISAPI.dll...category=30068

or

http://cgi.ebay.com/ws/eBayISAPI.dll...category=30070

It would be good to understand if these are acceptable ones quality-wise, or not.

Thanks.

Cheers.
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Old Jun 8, 2004, 7:13 PM   #6
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I'm in the same boat, wanting to increase my telephoto capabilities on my A1 (I miss my Olympus C-2100 sometimes!). Did you end up getting one? If so, what one? How is it?
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Old Jun 9, 2004, 8:02 AM   #7
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if cost is not a concern and you can wait for an extra month, tcon-300 is a good choice.

see some sample shots here.

http://www.pbase.com/nickfan/tcon300_test_shots
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Old Jun 9, 2004, 8:04 AM   #8
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Quote:
- Olympus TCON-17, which costs about $100 - Raynox DCR-1800, about the same price.


stay away from the Raynox DCR-1800------blur edges
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Old Jun 9, 2004, 11:50 AM   #9
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To make the answer short. stay away from converters other than olympus wcon-08b, tcon-14b, tcon-300,tcon-17/ b-300, A-200,raynox 1540 pro, FE180pro, Phoenix fisheye 0.25x, sony vcl-hgd1758 and the new minolta acw-100 and act-100
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Old Jun 9, 2004, 12:25 PM   #10
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Well, what you say doesn't surprise me; I have used Olympus digital cameras since 2002 and love their optics. I bought the A1 because Olympus no longer offers image stabilization with its ultrazoom models. Thanks for the input. I'll save my sheckels for an Olympus teleconverter.
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