Home News Buyers Guide About Advertising
 
 
 
   
Page 1 of 2 12 LastLast
Results 1 to 10 of 17
  1. #1
    Join Date
    Mar 2007
    Location
    Bensalem PA
    Posts
    84

    Canon XTi flash question

    How come I can only go as fast as 1/200 sec with the onboard flash? Is there a way to go faster? If I get a Speedlite or other hotshoe flash am I still limited?
    Mike
    Canon Xti | Sigma 18-50 F2.8 EX DC Macro | Canon 50 F1.8 II | Canon 55-250 F4-5.6 IS | SlingShot 100
    86 AscMcLaren Capri 5.0
    www.mikemartinelli.com/Photography

  2. #2
    Join Date
    Sep 2005
    Posts
    376
    You're in Av mode I assume. Switch to Manual and you've got the whole gamut of the XTi's shutter speed available.

  3. #3
    Join Date
    Dec 2006
    Location
    Great White North
    Posts
    1,313
    Quote Originally Posted by Dawoofo View Post
    You're in Av mode I assume. Switch to Manual and you've got the whole gamut of the XTi's shutter speed available.
    This is incorrect. The on-board flash of the XTI has a maximum sync speed of 1/200 regardless of what mode you are in. If you wish to use a faster shutter speed than this with flash, you will have to obtain a hot shoe unit capable of high speed sync. The Canon 430EX and the Sigma 500 dg Super are very good, reasonable priced units that offer a pretty good set of features for someone doing basic flash photography. I believe (not 100% sure) that both units can sync to the XTIs maximum shutter speed. Good luck.
    The respect of those you respect is greater than the applause of the multitude.

  4. #4
    Join Date
    May 2006
    Location
    Kitchener, ONT, Canada
    Posts
    1,225
    nqjudo is correct.
    My best pics on Flickr

    Follow me on Twitter: twitter.com/garysimmons
    Like me on Facebook: facebook.com/GarySimmonsPhotography

    Gear: Canon 60D, Sigma 18-50 f2.8 EX DC Macro, Sigma 50-150 f2.8 EX DC II, Canon 50 f1.8, Sigma 10-20 f4-5.6 EX DC, Sigma 120-400 DG OS. 1 430EX, 1 430EXII, 1 580EXII, ST-E2, Manfrotto 190XPROB (soon to be replaced by the carbon version)
    Plus filters, wireless triggers and other junk...

  5. #5
    Join Date
    Jul 2005
    Posts
    6,590
    Correct? The maximum X-Sync speed of the XTi is 1/200th sec, from the 40D/5D/1D(s) MK II/III 1/250th sec.

    The only DSLR I know that has a faster max. flash sync speed is the Nikon d70(s) (1/500th sec if I am not mistaken).

    So getting an external flash will not make the sync speed different. It has to do with how the shutter opens and closes, the max. sync speed.
    Canon EOS 350D, Tamron SP AF 90mm F/2.8 macro, Sigma 18-50mm F2.8 DC EX, Canon EF 70-200mm f/4 L USM, Tokina AT-X124 Pro 12-24mm F4, Soligor 1.7x C/D4 DG Teleconvertor, Manfrotto 724B tripod, Canon Powershot S30

  6. #6
    Join Date
    Mar 2005
    Location
    NYC
    Posts
    4,498
    Quote Originally Posted by coldrain View Post
    So getting an external flash will not make the sync speed different. It has to do with how the shutter opens and closes, the max. sync speed.
    Sorry, but this is incorrect. The 430EX and the 580EX will sync to ANY shutter speed when they are set to "Hgh-Speed" sync mode.
    Some Gear: Nikon D700; Nikkor AF-S 50 f/1.4 G; Nikkor AF-S 24-85 3.f/5-4.5 G ED; Tamron 28-300 f/3.5-6.3 VC; Nikon SB-800; Velbon Maxi-F; Canon Pixma Pro 9000; Canon S3IS, Canon SD500; Epson 4990; Epson P5000; Wacom Intuos 3

    Main Software: Capture NX2; Adobe PhotoShop CS2; Corel Paintshop Pro X2 Ultimate

    Sold: Canon XT/350D, EF 24-105mm f/4 L IS, EF 100mm f/2.8 Macro; EF-S 10-22mm f/3.5-4.5, Sigma 18-200 OS; Canon ET EF 25II; Kenko Pro 300 DG, Canon 430EX, Canon BG-E3.

  7. #7
    Join Date
    Dec 2006
    Location
    God's Country - Australia
    Posts
    10,416
    high speed is a form pulse flash though i imagine, not full flash activation.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

  8. #8
    Join Date
    Jul 2005
    Posts
    6,590
    Do not confuse flash sync speed with using flash while exceeding the max. flash sync. speed of your camera in shutter speed.

    Of course you can flash while using faster shutter speeds with certain external flash units, but it is not synced anymore, and the flash output (well, not the output but the output received by the exposure) will be lower (because it is beyond the flash sync speed, part of the flash will not reach the sensor because 2nd curtain closes before the 1st curtain has opened totally, already).

    So no, I do not think it is incorrect... the max. flash sync speed has to do with the body, not the flash unit used.
    Canon EOS 350D, Tamron SP AF 90mm F/2.8 macro, Sigma 18-50mm F2.8 DC EX, Canon EF 70-200mm f/4 L USM, Tokina AT-X124 Pro 12-24mm F4, Soligor 1.7x C/D4 DG Teleconvertor, Manfrotto 724B tripod, Canon Powershot S30

  9. #9
    Join Date
    Jul 2005
    Posts
    6,590
    Quote Originally Posted by Rooz View Post
    high speed is a form pulse flash though i imagine, not full flash activation.
    The way I understand it is that when you exceed the flash sync speed, you can not sync to the 1st or 2nd curtain anymore because the one curtain closes even before the other curtain fully opens... and you syncing to one would make a part of the exposure be without the flash light itself!

    So, you can flash with a faster shutter speed, but you do not sync anymore... you just have bright light during the whole exposure. No syncing anymore.
    Canon EOS 350D, Tamron SP AF 90mm F/2.8 macro, Sigma 18-50mm F2.8 DC EX, Canon EF 70-200mm f/4 L USM, Tokina AT-X124 Pro 12-24mm F4, Soligor 1.7x C/D4 DG Teleconvertor, Manfrotto 724B tripod, Canon Powershot S30

  10. #10
    Join Date
    Dec 2006
    Location
    God's Country - Australia
    Posts
    10,416
    Quote Originally Posted by coldrain View Post
    The way I understand it is that when you exceed the flash sync speed, you can not sync to the 1st or 2nd curtain anymore because the one curtain closes even before the other curtain fully opens... and you syncing to one would make a part of the exposure be without the flash light itself!

    So, you can flash with a faster shutter speed, but you do not sync anymore... you just have bright light during the whole exposure. No syncing anymore.
    thats the way i understand it aswell. all of my flash experiments pretty much show the same thing. to minimise the effect of that the flash moves to a pulse mode where they fire fast pulses of lower powered light. i'd imagine the canon flashes would do the exact same thing.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •