Long Exposures and AEB

canon400dcanon400d Banned Posts: 2,826 Major grins
edited September 23, 2013 in Technique
I have just encountered a couple of problems whilst visiting Glen Etive in the Highlands.
1.
When I took a long exposure using my 10 stop on the 5D Mk111 and after releasing the shutter button a red light appears and I have to wait(pending how many secs the exposure) until the exposure appears on the LCD screen. On the 5Dmk 11 when taking long exposures the exposure appears on the LCD as soon as I release the shutter button.
2.
I don't do many HDR shots but I do have the bracketing sequence within the menu on the 5DMk111. Whilst away I decided to take a shot for HDR to run through Photomatix Pro. I tried and better tried to get the three shots, under exp. ordinary and over exposed but was unable to get them bracketed to take the shot. When I got home I checked the M111 manual but I am still unable to bracket the three exposures. There is obviously something I am not doing right.
With the Mk11 I have the AEB set on the menu and everything is straight forward no problem.
I hope you don't mind me posting both problems within the same thread.
Thanks again.
Bob

Comments

  • ziggy53ziggy53 Super Moderators Posts: 24,156 moderator
    edited September 23, 2013
    canon400d wrote: »
    I have just encountered a couple of problems whilst visiting Glen Etive in the Highlands.
    1.
    When I took a long exposure using my 10 stop on the 5D Mk111 and after releasing the shutter button a red light appears and I have to wait(pending how many secs the exposure) until the exposure appears on the LCD screen. On the 5Dmk 11 when taking long exposures the exposure appears on the LCD as soon as I release the shutter button. ...

    I believe that you have "long exposure noise reduction" (LE-NR) enabled on the 5D MKIII, and disabled on the 5D MKII.

    LE-NR, when enabled, takes a second "dark frame" exposure after the primary exposure. The dark frame exposure data is subtracted from the primary exposure to effectively reduce noise from fixed sensor noise (like hot pixels and pixel sensitivity variations).

    Much more information on LE-NR here:

    http://www.learn.usa.canon.com/resources/articles/2012/long_exposure_landscapes.shtml
    http://www.learn.usa.canon.com/resources/articles/2011/high_iso_noise_reduction_article.shtml

    canon400d wrote: »
    ... 2.
    I don't do many HDR shots but I do have the bracketing sequence within the menu on the 5DMk111. Whilst away I decided to take a shot for HDR to run through Photomatix Pro. I tried and better tried to get the three shots, under exp. ordinary and over exposed but was unable to get them bracketed to take the shot. When I got home I checked the M111 manual but I am still unable to bracket the three exposures. There is obviously something I am not doing right.
    With the Mk11 I have the AEB set on the menu and everything is straight forward no problem.
    I hope you don't mind me posting both problems within the same thread.
    Thanks again.
    Bob

    For AEB on the 5D MKIII I suggest the following page:

    http://www.hdr-photography.com/reviews/5d3.php
    ziggy53
    Moderator of the Cameras and Accessories forums
  • canon400dcanon400d Banned Posts: 2,826 Major grins
    edited September 23, 2013
    ziggy53 wrote: »
    I believe that you have "long exposure noise reduction" (LE-NR) enabled on the 5D MKIII, and disabled on the 5D MKII.

    LE-NR, when enabled, takes a second "dark frame" exposure after the primary exposure. The dark frame exposure data is subtracted from the primary exposure to effectively reduce noise from fixed sensor noise (like hot pixels and pixel sensitivity variations).

    Much more information on LE-NR here:

    http://www.learn.usa.canon.com/resources/articles/2012/long_exposure_landscapes.shtml
    http://www.learn.usa.canon.com/resources/articles/2011/high_iso_noise_reduction_article.shtml




    For AEB on the 5D MKIII I suggest the following page:

    http://www.hdr-photography.com/reviews/5d3.php

    Hi Ziggy,
    Thanks ever so much once again. You have solved both problems for me which I appreciate.
    Cheers
    Bob
Sign In or Register to comment.