For Pentax Digital SLR
The image circle in DA-series lenses is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in PENTAX digital SLR Lens Construction -
13 elements in 11 groups Angle Of View - 99 - 61 degrees Diaphragm - Fully Automatic Blades - 8 Min Aperture - f22 Metering - TTL Open-aperture Metering Min Focus Distance - 1.0 ft. Max Magnification - 0.12X Filter Diameter - 77mm Size Max Diameter Length - 3.3 inches (832.5mm) Weight - 15.2 oz. (430g) Filter Size - 77mm
