Canon EOS-1Ds Review
Exposure / Focus / Metering / Drive modes (cont.)
Auto Focus modes
One Shot AF
|AI Servo AF
In this mode the camera constantly refocuses on a moving subject. If the subject is moving at a constant rate towards or away from the camera the focus system will 'predict' the new focus distance. This is especially successful when AF point selection is set to auto (the camera can use all 45 focus points to track a moving subject). In this mode the focus confirmation light only indicates if focus can not be achieved (it blinks).
| P.Fn 13 allows you to switch AI Servo auto focus between focus-priority (default) and shutter release-priority.|
| C.Fn 20 can be used to change the AI Servo tracking sensitivity (standard, slow, moderately slow, moderately fast, fast) so that focusing isn't thrown off if (example) something crosses the path of the lens.|
Partial metering is more effective for strongly backlit subjects, metering is weighted at the center of the frame covering 8.5% of the viewfinder area.
Spot metering is useful for metering very precisely a single subject or area within a scene. The metering is weighted at the center of the frame covering 2.4% of the viewfinder area. With AF points limited to 11 or 9 (custom function 13 is 1 or 3) the metered spot will follow the AF point.
In this mode the entire frame is metered but more emphasis (weight) is placed on the center portion of the frame.
| P.Fn 2 allows you to disable any of the metering modes.|
Press and hold the shutter release and the camera shoots until the buffer is full. As soon as there is space in the buffer (images have been written out to the CF card) the next shot will be taken.
|Self-timer 10-sec delay
Camera pauses 10 seconds before taking shot. Countdown is displayed on the top LCD.
|Self-timer 2-sec delay
Camera pauses 2 seconds before taking shot. Countdown is displayed on the top LCD.
|*1|| P.Fn 19 allows you reprogram the continuous frame rate to approx. 3, 2, or 1 fps.|
Looking through the viewfinder the camera displays the
capacity of the buffer as a two digit numeric (right side of the viewfinder
display). This buffer burst capacity for the EOS-1Ds is always 10 without
shots taken, this is for JPEG or RAW images at any sensitivity.
| P.Fn 20 allows you to limit the number of shots in continuous mode, when this setting is enabled the camera will only shoot the specified number of frames for any single press-and-hold of the shutter release button.|
Top of Camera Controls: Right Side
Right side of camera controls
|Button / combination|
|Acquires a flash exposure
lock, attached flash will pre-flash and meter for the correct flash
Also used in Multi-spot metering mode to select a meter point.
|Illuminates top or rear LCD status panels with blue LEDs for six seconds.||No function|
|Select exposure compensation:
+/-3 EV in 1/3 or 1/2 EV steps *1
|AE Lock - lock exposure as it is currently metered, this allows you to then recompose the image and shoot.|
|Enter AF point select
Main dial dial (top) used to select AF points horizontally, quick command dial (rear) used to select AF points vertically.
|*1|| Exposure compensation steps can be set to 1/3 or 1/2 EV via C.Fn 6.|
| C.Fn 4 allows you reprogram the function of the shutter release and AE Lock buttons to various combinations of AF / AE Lock.|
|New Forest pony by Dutch Newchurch|
from Equines in 2018
|Leader of the pack by Wu Jiaqiu|
from My Best Photo of the Week
|Czech Crown by Tobik|
from Coins - Macro only
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