JJC ACA-02 consists of 1 Autofocus Calibration Aid and 1 Color Balance Card. The Autofocus Calibration Aid fits the camera 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. The Color Balance Card is a useful tool for achieving perfect color balance in your photos. The product features a neutral gray card on one side, and a black card on the other side. The gray side can be used to take exposure control and help set the white balance. If you take photos in the twilight, the black side can help you achieve an normal exposure. Moreover, the color balance card is made of water resistant material, that means you can use it in moisture circumstances for your free shooting.

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

• With one 2 in 1 Gray & Black Color Balance Card at the back

• Includes a storage pouch

Specs:

• Weight: 173 g
• Size: 129 x 197 x 9 mm