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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 01 Oct 2008 (Wednesday) 08:01
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-=50D Owners Unite! Share Tips and Post Pics

 
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TWayne
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May 10, 2012 20:28 |  #10231

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http://i511.photobucke​t.com …20120505-SuperMoonHDR.jpg (external link)


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PDR ­ John
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May 10, 2012 22:36 as a reply to  @ TWayne's post |  #10232

Very cool moon shot.




  
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chrismarriott66
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May 11, 2012 01:11 |  #10233

Yeah very nice!


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Judsonzhao
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May 11, 2012 01:40 |  #10234

Just got a 50D, but I find it is soft when I used it with my siggy 30 1.4
Did I encounter with any off-focus issues?
I'll post some pics..

F2.8, focusing point on the head of the middle one

IMAGE: http://farm9.staticflickr.com/8002/7175158316_376587d1c4_b.jpg

100%
IMAGE: http://farm9.staticflickr.com/8006/7175168252_55452d5cbb.jpg

Fly me away.

  
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chrismarriott66
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May 11, 2012 02:06 |  #10235

Here's one I took last year (in November!!!) at Fountains Abbey :)

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EtherealZee
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May 11, 2012 02:24 |  #10236

Mike-P wrote in post #14405380 (external link)
50D and MKI 70-200mm f2.8 IS on a dark wet day.

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IMAGE LINK: http://www.flickr.com …/25848431@N02/7​165349302/  (external link)

Wow, great timing!

Z...




  
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TRhoads
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May 11, 2012 06:04 |  #10237

Judsonzhao wrote in post #14414554 (external link)
Just got a 50D, but I find it is soft when I used it with my siggy 30 1.4
Did I encounter with any off-focus issues?
I'll post some pics..

F2.8, focusing point on the head of the middle one


100%
QUOTED IMAGE

Shot handheld I assume. Could have been motion from you, @ 2.8 in daylight your shutter speed should have been high enough to compensate. Dunno. Did you have focus issues with that lens on your previous camera body? Might need to be Micro Adjusted.


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TRhoads
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May 11, 2012 06:09 |  #10238

Taken in the wooded area behind my house yesterday, first try at the Brenizer Method. 16 images, 50D and 85 1.8 @ 1.8.

IMAGE: https://lh4.googleusercontent.com/-WjawsSHJeNo/T6x2TxCUM3I/AAAAAAAABoY/rz5BSH4enX0/s720/AmIMissed-G.jpg

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GadgetRick
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May 11, 2012 06:11 |  #10239

Judsonzhao wrote in post #14414554 (external link)
Just got a 50D, but I find it is soft when I used it with my siggy 30 1.4
Did I encounter with any off-focus issues?
I'll post some pics..

F2.8, focusing point on the head of the middle one
QUOTED IMAGE

100%
QUOTED IMAGE

Keep in mind, most lenses--even L glass--aren't usually razor sharp wide open. Shoot it at about f7.1 and see if it's sharp. Each lens has its own sweet spot though, f7.1 is usually a good place to start looking for the sweet spot.




  
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Crazy_Guitar
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May 11, 2012 07:58 |  #10240

Try a tilted ruler and check for consistency.

Were it a Canon lens and you could use the micro-adjustment...


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Jason ­ Paul
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May 11, 2012 08:56 as a reply to  @ Crazy_Guitar's post |  #10241

First to GadgetRick, f/2.8 for this lens is not wide open. This is an f/1.4 lens.

Judson (?) -

I don't think that's a very good subject for testing focus. There doesn't seem to be much contrast at that point.

What was your shutter speed?

Also, did you do any sharpening to the photo at all?

Personally, I didn't have much luck with the focus chart or a ruler. I got better results doing what I posted here:

https://photography-on-the.net …p=14208251&post​count=6791

Hope that helps.

Jason


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Judsonzhao
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May 11, 2012 13:55 |  #10242

TRhoads I thinks it's pretty good with my t2i, I'll try micro-adjust.
GadgetRick yeah, I know this. But I assume that for this lens, @f2.8 it should perform well enough..
Jason Thanks for your advice. I've never sharpen the picture, just use the standard mode. I'll get a ruler.
Shutter speed is 1/2000 by the way


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Jason ­ Paul
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May 11, 2012 16:11 as a reply to  @ Judsonzhao's post |  #10243

Try the setup in the link I posted above, using the box. As I mentioned, I had better luck doing that than with a ruler/yardstick alone.

Did you shoot that raw or jpeg?

Try shooting raw and do some basic sharpening in DPP - something like unsharp mask setting the sliders to 4, 4, 2 or so. This works for me for a quick sharpening. There's an anti-aliasing filter on the sensor always causes some softness.

I'm still pretty new, so I may be slightly off on that, but that's what I would try.

Jason


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Judsonzhao
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May 11, 2012 17:46 |  #10244

Jason Paul wrote in post #14417470 (external link)
Try the setup in the link I posted above, using the box. As I mentioned, I had better luck doing that than with a ruler/yardstick alone.

Did you shoot that raw or jpeg?

Try shooting raw and do some basic sharpening in DPP - something like unsharp mask setting the sliders to 4, 4, 2 or so. This works for me for a quick sharpening. There's an anti-aliasing filter on the sensor always causes some softness.

I'm still pretty new, so I may be slightly off on that, but that's what I would try.

Jason

I shoot RAW
Ok! I've read your set up, I will definitely try your suggestion~ Thx!


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RAW-Shooter
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May 11, 2012 21:36 |  #10245

Crazy_Guitar wrote in post #14415237 (external link)
Try a tilted ruler and check for consistency.

Were it a Canon lens and you could use the micro-adjustment...

You can micro adjust ANY lens on the 50D as long as the camera body recognizes lens manufacturer, maximum aperture and focal length.


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