Datacolor SpyderLENSCAL Manual Manual - Página 6

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Check and calibrate

test your Lens Accuracy

Aim your camera at the small bullseye of the SpyderLensCal

at the right edge of the vertical target and take one or more

shots. Look through the viewfinder to ensure no red indicator

dots are targeting the ruler. A red dot in the center square of

the viewfinder will confirm that the autofocus system is locking

onto the target area. If your camera highlights the focus point

chosen, the target plane has been selected as the intended

focal plane.

review your test Image

Choose your target shot on the camera's LCD screen.

Zoom in on the section of the ruler next to the target. With the

camera at maximum zoom, take a look at the markings and

numbers on the ruler to see which one is sharpest. This mark

represents the center of focus determined by your camera

and lens autofocus system. To see the test image in a larger

format, you can transfer it to a computer.

check your focus

If your camera and lens combination is correctly calibrated

then the line at "0" should be in sharp focus. If the picture is

not sharp at "0" your camera/lens combination is not on.

Check the ruler to see whether the front or the rear section is

sharper. If the lines behind the "0" mark are sharper, the lens

is back focusing. If the lines in front are sharper, the lens is

front focusing.

correct your Autofocus

To calibrate a back or front focusing issue, enter the autofocus

correction menu on your camera and select "adjust by lens."

Calibration Settings: The numbers on your SpyderLensCal ruler indicate precisely how

many centimeters the camera is front or back focusing. This will allow you to correct the focus

millimeter by millimeter. If you need to correct a front focusing issue, go forward. Reverse for

back focusing calibration. Note that the numbers on the ruler do not correlate to the numbers

in the adjustment menu on the camera.

Refer to detailed focus

instructions on page 5, section 2 to

get an accurate setup

Back Focusing

Guidebook | Page 5

Front Focusing