JJC ACA-01 Autofocus Calibration Aid is a focus test chart, which is specially designed for cameras with "AF Fine Tune" or " AF Micro Adjustment" function. It allows you to test the autofocus performance of your camera and helps you fine-tune the autofocus function of your camera and lens. The Autofocus Calibration Aid comes with a built-in bubble level for keeping itself on the level. It also features a 1/4"-20 tripod socket for mounting it on a tripod. JJC ACA-01 test chart will become a good partner for you to test the autofocus performance and fine-tune the autofocus function of your camera and lens.

Features:

• Fits the camera with "AF Fine Tune" or "AF Micro Adjustment" function

• Tests the autofocus performance of your camera and lens quickly and reliably

• Helps you fine-tune the autofocus function of your camera and lens

• Comes with a bubble level and a 1/4"-20 tripod socket

• Includes a storage pouch

Specs:

• Weight: 87g
• Size: 129 x 197 x 9 mm