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Thread started 07 Aug 2007 (Tuesday) 14:52
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Focus - 30D better than 350D?

 
idlemonkey
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Aug 07, 2007 14:52 |  #1

I, like many others on this forum am toying with the idea of upgrading to a 30D and have been making my own pros and cons list comparing the 350D with the 30D.

For the majority (closer to all) of my shots I use the centre focus point only.

My question is ...... Should both camera bodies score equal in respect of focus on my list?

Thanks.




  
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nhbeast
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Aug 07, 2007 15:21 |  #2

I have both camera bodies. The 30D focuses somewhat faster than the 350D, and has more AF points. Put if you're shooting center point still objects, you won't see a major difference AF wise.


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nicksan
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Aug 07, 2007 15:59 as a reply to  @ nhbeast's post |  #3

30D has faster AF than 350.
Is the difference dramatic? Probably not.
But it's there...




  
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Woogie
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Aug 07, 2007 16:01 |  #4

Aside from AF speed...

When I used the XT as a secondary body to my 30D, one thing that really bugged me was the layout of the AF points. 7 point vs. 9 point AF. For me, it was difficult to compose a picture using the XT's AF layout. You should go to your local camera store and try out the 9 point system and see what you think of it.




  
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JackProton
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Aug 07, 2007 16:46 |  #5

As I understand it, the 30D was actually designed for more accurate focusing when used with used with f2.8 lenses or faster. The 350D does not have this feature and mine tended to show it when used in low-light situations with faster lenses.




  
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SeattleSpeedster
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Aug 07, 2007 19:07 |  #6

thats what i care about...not faster AF but the quality and accuracy of it especially with fast primes. My 300D is, as one person put it, an AF dog. With the hacked firmware it improved a bit but still not 100% in low light ie f/1.4 situations.


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JackProton
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Aug 08, 2007 02:07 as a reply to  @ SeattleSpeedster's post |  #7

The XTi and 30D use this same focusing system I'm told. Check out this thread for more information https://photography-on-the.net/forum/showthre​ad.php?t=348373




  
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nadtz
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Aug 08, 2007 03:50 |  #8

350D = XT not XTI, the 30D is the better of those 2 cameras (having owned both). That said Id still like last generation 1 series AF to trickle down soon. WIth the same bunch of lenses I get a better keeper rate (or at least lesser OOF rate) with the 30d than I did with th 350, thats good enough for me.




  
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Pixel9ine
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Aug 08, 2007 03:54 |  #9

JackProton wrote in post #3689028 (external link)
The XTi and 30D use this same focusing system I'm told.

You've been told correctly.... however the thread is about the 350D aka Digital Rebel XT. The XTi has a totally different AF system, mostly borrowed from the 30D.

Going back to the OP's question, I've recently upgraded from an XT (now my backup body) to a 30D after shooting a number of motorsports events -probably the toughest test of a camera's AF system- and the two main improvements for me was the AF accuracy and the faster drive mode (5fps vs. 3). I've had a much higher keeper rate, and getting a racecar in sharp focus with the 30D isn't nearly as torturous as it was with the XT.
Actually, it's almost fun. ;)

So really, the 30D's improvement in AF speed and accuracy will really become apparent in a demanding, fast-action environment. If that's the type of thing you shoot, the upgrade will be worth it.


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gpx4
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Aug 08, 2007 05:11 |  #10

I did not realize how slow and difficult 350D AF focus was until i tried it side by sice with my 30D on a wakeboarding event and a night horse racing event.


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Rebel ­ XT
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Aug 08, 2007 09:35 as a reply to  @ gpx4's post |  #11

I am frustrated by the inaccurate AF of my XT. Even in out door light I am having trouble to get consistent accurate AF on children's face. If I were you I'd get either 30D or XTi.




  
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SeattleSpeedster
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Aug 08, 2007 10:22 |  #12

sounds like if your kids are more sedentary get the xti, if they move around a lot then the 30d


Fuji GFX50s and A7R II | Zeiss 85mm f1.4 Otus and 28mm f1.4 Otus | Fuji GF23mm and 32-64mm | Canon 200mm f1.8 | Zeiss 100-300mm | Zeiss and Canon 16-35mm f4 | Zeiss 135mm f2 | Voigtlander 10mm f5.6 | Zeiss and Sony 50mm f1.4 | DJI Mavic Pro 2 and Inspire 2 X5S drones | https://mikereidphotog​raphy.com (external link)

  
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JackProton
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Aug 08, 2007 14:12 |  #13

Pixel9ine wrote in post #3689278 (external link)
You've been told correctly.... however the thread is about the 350D aka Digital Rebel XT. The XTi has a totally different AF system, mostly borrowed from the 30D.

I only mentioned the XTi because the thread I linked to was mainly about the focusing systems for the XTi which was, as I noted, the same as the 30D. That thread contains information some might find useful concerning the focusing systems for the XT, XTi and 30D.

I also know what THIS thread is about as well as the difference between the Digital Rebel 300D, 350D XT, 400D XTi and 30D. I will now recite the alphabet and count to ten... :P




  
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SeattleSpeedster
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Aug 08, 2007 14:18 |  #14

Hey I appreciate Jack's post (and alphabet knowledge)...to me if the better AF system is all I am after then the XTI is for me...


Fuji GFX50s and A7R II | Zeiss 85mm f1.4 Otus and 28mm f1.4 Otus | Fuji GF23mm and 32-64mm | Canon 200mm f1.8 | Zeiss 100-300mm | Zeiss and Canon 16-35mm f4 | Zeiss 135mm f2 | Voigtlander 10mm f5.6 | Zeiss and Sony 50mm f1.4 | DJI Mavic Pro 2 and Inspire 2 X5S drones | https://mikereidphotog​raphy.com (external link)

  
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Focus - 30D better than 350D?
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