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10-25-2007, 05:11 AM
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Kenko Extension Tubes
So my keno extension tube set finally got in after about 5 weeks of waiting (thats what you get for saving $80 on ebay)
So, I thought I'd share a quick before/after shot with all 68mm (12+20+36 stacked). This is on my 100-400L @100mm f/5.6 Before After Don't know about you, but I think I can see a slight difference.  And yes, in both cases, that is the absolute closest it will focus. If anyone wants test shots from it of any kind from either my 17-40L or 100-400L, let me know and I'll be happy to provide them. 
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Canon 5D, 30D, 17-40 f/4.0L, 100-400 f/4.5-5.6L IS, 28-135 IS, 50 f/1.8, 380EX, Kenko extension tube set, various filters, Canon Pixma Pro 9500. Its ok to edit and repost my shots on DPS My work can be found at www.jahphoto.deviantart.com/gallery Last edited by JAHphoto; 04-10-2008 at 12:41 AM. 
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10-25-2007, 12:11 PM
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Wow. That's a huge difference considering that extension tubes have less effect on longer focal length (I can't say the math off the top of my head). When I get my 105 Micro in a month or two, I'll definitely consider come extension tubes as well for it. 1:1 ratio+1.5 crop factor+plus extension tubes=very close focusing.
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Maplewood, South Orange, Short Hills New Jersey (NJ) Photographer: Ben Drucker Photography
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10-25-2007, 12:25 PM
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Congratulations on your new "toys"!!!
What focal length were these taken at? 100mm? the 5D is full frame right? so no crop factor?
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best, John Nikon D70s, 18-70mm kit lens, 50mm f1.8,70-210mm
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10-25-2007, 02:34 PM
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Quote:
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Canon 5D, 30D, 17-40 f/4.0L, 100-400 f/4.5-5.6L IS, 28-135 IS, 50 f/1.8, 380EX, Kenko extension tube set, various filters, Canon Pixma Pro 9500. Its ok to edit and repost my shots on DPS My work can be found at www.jahphoto.deviantart.com/gallery Last edited by JAHphoto; 10-25-2007 at 02:42 PM.
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10-25-2007, 04:17 PM
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I just got my Kenko Extension tubes a couple yesterday as well. I did some test shots with them last night and while they aren't particularly artistic, I was impressed with them.
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Craig My zenfolio gallery My Photoblog Gear: Nikon D300s, D80 and a lot of stuff for them.
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10-25-2007, 07:27 PM
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Quote:
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Maplewood, South Orange, Short Hills New Jersey (NJ) Photographer: Ben Drucker Photography
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10-26-2007, 07:06 AM
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I think he meant the resulting shots are not particularly artistic. No problem with that while you are learning. All those ruler pictures I took where not anything special in themselves but were invaluable in getting the measure (
 ) of my equipment.Wulf
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Wulf Forrester-Barker << Sites: blog / flickr >> Gear: Nikon D40, Nikon AFS 18-55mm f/3.5 - 5.6G, Nikon Series E 50mm f/1.8, Nikon AF 70-300mm f/4-5.6G, Vivitar 90mm f/2.5 macro, Raynox DCR-250, Lensbaby 2.0k, SB600
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04-10-2008, 12:48 AM
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Wow! That's impressive
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