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Messages - D.

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Lenses / Re: 24-70 II slight clicking sound when zooming
« on: October 26, 2013, 05:17:06 PM »
The 24-70 II I purchased recently from Amazon had a build date of Oct. 2012. It did not make any clicking sounds when zooming; however, it appears that it may have a centering issue. When I compared shots of the 24-70 II vs. my 24-105, the corners of the 24-105 were sharper than the 24-70 II at equivalent focal lengths and apertures (save for at 24mm). Since this should definitely not be the case, back in the box it went. One more thing to keep in mind when evaluating your new lens as it seems many people are having issues with their recent purchase.

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Lenses / Re: lens vs. body
« on: August 07, 2013, 01:15:35 PM »
I agree with kphoto99 that learning a new camera while on a trip is not ideal. That said, if I were in your situation I would go with the 5DIII. It will open up more possibilities with your existing lenses (e.g., shoot wider and less DOF) and though the 60D is no slouch the 5DIII has significantly better IQ. I shoot more with a general purpose lens than with a telephoto however. If your shots tend more towards the telephoto side and your itinerary suggests a telephoto may be of more use to you, go with the 70-200. Otherwise, get the 5DIII. With your 24-70II, you will have an excellent set-up.

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Canon General / Re: High humidity destination: gear precautions
« on: July 26, 2013, 02:05:29 PM »
Agree with privatebydesign. I live near Miami which is classified as having "tropical monsoon climate" according to Wikipedia. It is crazy humid from May - September. At any rate, I don't have any issues with humidity and my camera or lenses. If I go outside from an air-conditioned environment and the humidity is near 100% outside, the front element of my lens has fogged on occasion; however, I just wait a minute or so and the fog dissipates

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EOS-M / Re: EF-M 18-55 f3.5-5.6 IS STM or EF-S 15-85 f3.5-5.6 IS USM
« on: July 09, 2013, 08:08:10 PM »
I just picked up the EOS M with the EF-M 18-55 for my wife. I also have the 15-85 lens. My EF-M 18-55 appears just as good optically as my EF-S 15-85 based on ~50 test shots taken with the 18-55. Roger at Lens Rental (see his blog on the EOS M), SLRGear and The-Digital-Picture (see TDP EOS M review) all had positive comments to say about the 18-55. Of course, the 15-85 goes longer and wider but I wouldn't want it on such a small camera. After seeing how the EOS-M performs with the EF-M 18-55 I sort of regret telling my wife it was for her ;D. Guess I'll make do with my 5DIII

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Landscape / Re: Post Your Best Landscapes
« on: July 05, 2013, 07:24:37 PM »
Thanks serendipidy.

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Software & Accessories / Re: Lightroom vs. DPP
« on: July 05, 2013, 05:31:01 PM »
Jack,

In DPP you can adjust sharpening by selecting view / tool palette - raw tab or use the digial lens optimizer in the view / tool palette - lens tab. You can use the help function in DPP to explain how to use these tools. Canon also posted video tutorials for DPP at the following link - http://www.learn.usa.canon.com/galleries/galleries/tutorials/dpp_tutorials.shtml. You can also update DPP at the canon usa website to make sure you have the latest version

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Landscape / Re: Post Your Best Landscapes
« on: July 05, 2013, 05:14:50 PM »
Couple more

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Software & Accessories / Re: Lightroom vs. DPP
« on: July 05, 2013, 04:51:30 PM »
Lurker, thank you for the post. I'm planning on checking out Arthur's DPP Raw Conversion Guide

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Landscape / Re: Post Your Best Landscapes
« on: July 05, 2013, 04:43:46 PM »
Here's a couple from a recent trip to California's central coast

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Canon EF Zoom Lenses / Re: Canon EF24-105mm f/4L IS USM
« on: April 28, 2013, 06:14:24 PM »
This one tickles me

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I upgraded from the 450D to the 5D3 and am happy I have done so. The low light and focusing capability of the 5D3 are excellent. In my opinion, every feature of the 5D3 is a significant upgrade from the 450D. I can't speak to the 6D, but if you go with the 5D3 you will not be disappointed.   

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Lenses / 24-105 f/4L corner performance at 105mm
« on: March 09, 2013, 03:40:08 PM »
Hello,

Long time reader / first time poster. I recently purchased the 24-105mm lens as an upgrade of my 28-135 lens. From the reviews I have read, it appears the 24-105's performance at 105mm is not as strong as other focal lengths. When I shoot at relatively close distances at 105mm with my 24-105mm lens using the center focus point, the center performance of the lens appears fine but the corners appear out of focus rather than merely soft. I've looked at images from distances between 10-30 feet and noticed the same results. The corner performance at 105mm with subjects at or near infinity focus is fine (about the same as my 28-135mm but not as good as my 70-300L, which is about what I expected). Perhaps the increased depth of field at infinity focus explains this. Stopping down to F/8 also helps, but does not completely alleviate the issue. Applying an AF microadjustment of +10 on my 5D III improves corner performance; however, the center performance then deteriorates - the same also happens when I focus on the corner of the frame either through live view or the viewfinder. As all the corners are out of focus to approximately the same degree, this does not seem to be a centering issue. Has anyone else experienced this with your 24-105mm lens? Is this typical behavior for the 24-105mm lens? Thank you in advance for your comments.

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