• DSC HD test chart for easy back focus setting
• The decreasing radii of the spiral provide a visual "pop" at the optimum focus point
• 16:9 and 4:3 markers
• DSC quality: sturdy and water proof

DSC FiddleHeads charts (FH) are available in 5 sizes:
Junior (JW): 17x10" (43x25.4cm)
Standard (SW): 21.3x13" (54x33cm)
Senior (SRW): 24x14.7" (61.37.3cm)
Maxi (XW): 40x24" (101.6x61cm)
Super Maxi (SXW): 51.5x30.5" (130.8x77.5cm)