Change the amount of target picture you want to see with the Curve RX & RXF Choices of Aperture Discs. The Round 1/2" aperture disc will allow you to see less of the target and focus more on the center.
CLICK HERE for Curve RX Instructions
Please note that orders may take a few business days to fill before they are ready for your selected shipment method.
WARNING: This product can expose you to chemicals including Nickel Acetate, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.