For those who do not need the GR-3500KA's Autofocus/Autotrack/Autostart ability, the Grand Seiko GR-3300K traditional autorefractor is a cost-effective alternative.

An excellent value without breaking the bank, the Grand Seiko GR-3300K's accuracy and reliability are identical to its pricier cousin.

Features Include:

• Icon based screen for a more inuitive user experience
• Color LCD Display to make alignment easier
• Auto Start - Once focused properly measurement occurs automatically. After measuring both eyes printing starts immediately.
• Printer with Automatic Cutter
• RS-232C Interface allows data to be transfered to a PC
• Tonic Accommodation Measurement
• Relax Function that reduces the margin of measurement error
• Corneal Peripheral Measurement
• Measures to a 2.3mm pupil diameter
• Motorized Chin Rest