This product is not currently in stock, but is usually available from our supplier within 5-7 days of your order being placed.
These economical single axis (R.A.) DC motor drives are designed to compensate for the earth's rotation. Their rotation speed matches the earth's rotation rate for stars to appear stationary in telescope eyepieces. With the 9-volt alkaline battery (included) installed, it lasts up to 40 hours. More