USER INSTRUCTIONS
1. Hold the bottom segment of the calibration tool, lift the back
upward, and slide it into the locked-upright position.
SPECIFICATIONS
Front focus offset
Back focus offset
In focus
Dimensions (H × W × D)
Upright: 6.6 × 5 × 5.6 in.
(168 × 128 × 143 mm)
Flat: 0.3 × 5.1 × 7.7 in.
(8 × 129 × 196 mm)
Weight
3.1 oz. (87.9 g)
2. In a bright and evenly lit area, place the Lens Calibration Tool
on a flat surface or mount it on a leveled stand. Make sure the
camera and target are level and in-line with each other.
3. Use the widest aperture, focus on the center of the target, and
take a photo.
4. Review the image at 100% magnification, and examine the
intersection between the target and ruler. If your AF is accurate,
the 0 line will fall in the center of your depth of field. If it’s not
accurate, the focus will fall in front of (front focusing) or behind
(back focusing) the 0 line. For example:
5. Using the ruler as a guide, go to your camera’s AF Fine Tune or
AF Micro Adjustment menu, and enter the tested offset value.
6. Shoot a second image to verify focus accuracy.
Содержание LENS-2020
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