peter2 Posted March 12, 2003 Share Posted March 12, 2003 Hello everybody! Here in Sweden several companies have been taking pre-ordes for the camera the last 12 days. The new 10D looks nice but will the AF-pattern of the 420EX work with the 7 autofocus points of the 10D? Link to comment Share on other sites More sharing options...
asko_matti_koskelainen Posted March 12, 2003 Share Posted March 12, 2003 This is an educated guess, so somebody correct me if I´m wrong: I would guess the 420EX works perfectly with the 10D. 420EX is originally optimized with EOS 30, which also has seven autofocus points. And for what I´ve read, the autofocus system on 10D is pretty much the same (or slightly evolved) as on the EOS 30. Link to comment Share on other sites More sharing options...
peter2 Posted March 12, 2003 Author Share Posted March 12, 2003 Asko, this sound resonable. But the 420EX does not work with more than 5 autofocus points (in the middle row) of the EOS 300 (Rebel 2000). This camera however pre-dates the 420EX flash. Link to comment Share on other sites More sharing options...
nick_doan Posted March 12, 2003 Share Posted March 12, 2003 Peter, You just answered your own question, I would think. Of course, if the 420 EX only works with 5 AF points and not 7, would it stop you from buying the 10D? Link to comment Share on other sites More sharing options...
eos 10 fan Posted March 12, 2003 Share Posted March 12, 2003 How many of the AF points on the 300v work with the 420EX? -- Link to comment Share on other sites More sharing options...
jean_berthe Posted March 12, 2003 Share Posted March 12, 2003 Hello Peter After answering an other post yesterday, I looked at my equipment last night. As you know, most AF sensors on Canon Bodies are vertical sensors (need horizontal contrast). I noticed that an EOS3 with a 420EX will only AF with the center row of sensors, where the flash would emit a pattern of horizontal red lines. However, when I selected any AF point directly above or below the center AF point, the flash would emit two light patterns: Horizontal and vertical. I believe that the reason is because the two sensors above and below the center cross of the ELAN7E (EOS30) are horizontal sensors, as opposed to the other 4 verticals sensors. This is the reason that an ELAN7E will only AF with the center row when equipped with a 550EX. The question is then, does the 10D have horizontal or vertical sensors above and below the center cross? Hope Canon will answer that for you. Because it would mean that only one, of the 420EX or 550EX, will work, not both!!! Good luck Link to comment Share on other sites More sharing options...
chad_h Posted March 12, 2003 Share Posted March 12, 2003 I had a similar auto focus question. I heard that the AF on the D60 was sloooooow. Working photo retail I'll be getting my hands on experience today since our shipment of 10D's are ariving this afternoon. Just to pass on what I know so far they have a TTL-CT-SIR CMOS sensor (TTL Cross Type secondary image Registration). Link to comment Share on other sites More sharing options...
peter2 Posted March 12, 2003 Author Share Posted March 12, 2003 Nick: No I would by it anyway. I'm just curios! Jean: I agree with you! Link to comment Share on other sites More sharing options...
tom_thurston Posted March 16, 2003 Share Posted March 16, 2003 The 420Ex was introduced with the EOS 30 or Elan 7e. It's autofocus light was designed to support all 7 focus points of that camera. Since the 10D has the same autofocus points as the EOS 30, it seems to me that the 420 autofocus light should work well with it. Link to comment Share on other sites More sharing options...
luis_rodriguez2 Posted March 17, 2003 Share Posted March 17, 2003 Alguien habla español en este foro. Soy amante de la fotografía y de las camaras Canon. But my english is very bda!! Link to comment Share on other sites More sharing options...
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