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Teleconverters
'd like to buy a 1.4X telextender for a Canon
telephoto lens. My choice comes down to the Canon 1.4X or the Kenko 1.4X. Any reason to buy the more expensive Canon other than brand name? ----- Paul J. Gans |
#2
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Teleconverters
"Paul J Gans" wrote in message ... 'd like to buy a 1.4X telextender for a Canon telephoto lens. My choice comes down to the Canon 1.4X or the Kenko 1.4X. Any reason to buy the more expensive Canon other than brand name? Canon extenders will only work a limited number of Canon lenses (i.e. most "L" telephoto and telephoto zoom lenses). I think the 3rd party ones will work with more, and I've heard you can stack them. I never used a 3rd party extender but I've been tempted from what I've read. |
#3
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Teleconverters
On Mon, 15 May 2006 17:46:57 +0000 (UTC), Paul J Gans wrote:
'd like to buy a 1.4X telextender for a Canon telephoto lens. My choice comes down to the Canon 1.4X or the Kenko 1.4X. Any reason to buy the more expensive Canon other than brand name? It makes it easier to insure that you'll get a good adapter lens, based on my assumption that Canon's adapter lenses are like those from Fuji and Olympus, all relatively high quality. With brands such as Kenko and Raynox it's possible to get lenses just as good (and save some money in the process), but they also make cheaper lines of adapter lenses that are quite inferior. I found this Raynox link a year ago, and while it's for a Fuji camera, it should allow you to backtrack and find information tables for Canon cameras. Also quoted is an example of the lens info. provided at that web site. The same lenses might in some cases be usable on Canon, Fuji and other cameras, but the info. pages for specific camera & lens combinations are useful in that they show the adapter tubes that might be needed. http://www.raynox.co.jp/english/digital/s5600/index.htm DCR-2020PRO 2.2X High Definition Super Telephoto Conversion Lens DCR-2020PRO lens extends the focal length of FUJIFILM FinePix S5200/S5600 camera zoom lens to over 830mm Super telephoto ! (35mm film equivalent) It's a completely new high definition lens made of the high index optical lens with a 2-group/4-element formula. 260 lines/mm resolution power at center (MTF30%) Model RA6255 Raynox adapter ring for 55mm filter size is required for use with the DCR-2020PRO + FinePix S5200/S5600 camera. Magnification : Nominal 2.2X Actual 2.2X / Diagonal, 2.2X / Horizontal Minimum focusing distance : 9m/4m in macro mode Zoom capability : F=63mm-F=45mm Lens construction : 2G/4E Optical coated glass elements Mounting threads : 62mm Front filter size : 82mm Size/Weight : 123 x 85mm/275g.(9.7oz) RA6255 adapter ring is Not Included. RA6258 and RA6252 adapter rings are Included. . . . DCR-1540PRO 1.54X High Definition Telephoto Conversion Lens DCR-1540PRO lens extends the focal length of FUJIFILM FinePix S5200/S5600 camera lens to 585mm telephoto ! (35mm film equivalent) It's a completely new high definition lens made of the high index optical lens with a 2-group/4-element formula. 340 lines/mm resolution power at center (MTF30%) Magnification : Nominal 1.54X Actual 1.54X / Diagonal, 1.54X / Horizontal Minimum focusing distance : 3.5m Zoom capability : F=63mm-F=39mm Lens construction : 2G/4E Optical coated glass elements Mounting threads : 52mm Front filter size : 67mm Size/Weight : 71 x 67mm/240g RA5255 adapter ring is Not Included. ( RT5249 for S5000 ) RA5852 adapter ring is Not Included. . . . |
#4
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Teleconverters
This old Bob wrote:
"Paul J Gans" wrote in message ... 'd like to buy a 1.4X telextender for a Canon telephoto lens. My choice comes down to the Canon 1.4X or the Kenko 1.4X. Any reason to buy the more expensive Canon other than brand name? Canon extenders will only work a limited number of Canon lenses (i.e. most "L" telephoto and telephoto zoom lenses). I think the 3rd party ones will work with more, and I've heard you can stack them. I never used a 3rd party extender but I've been tempted from what I've read. Thanks. That helps. ---- Paul J. Gans |
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