Set of Items and pieces that you need for make the Servo focuser for the meade etx 125 telescopes. But you can adapt this for a 70,80,90 etc telescopes.
Allows to totally vertical position .You can see the pulley as focuser position allways , with the Meade or other can't positioning total with 90º _| , with lego micropulley this get a increible dregree high resolution and the drive band gives more stability to focus ( Fingers generate microvibrations and is more dificult ?) this get stability and noise adding with finger or hand vibration, positioning or fix the position in a exactly degree without or less vibrations,noises, gives strong focus, and get more qualitty than a finger possibility.
Very easy and fast to make it.
All items that you can see are available on ebay , Webcam is less than 10 usd (35fps is Better than i know for 12 Megapixels interpolated) Great and actually CMOS SENSOR based on microtechnology or nanotechnology ,
Tickness images, qualitty in general and low price, try to this, Get a SERVO for less than 10$USD, get Screws meccano less than 3USD, pulleys less than 3$USD.
With antena you can join meccano and lego pulley masters,antena most insert in to the plastic meccano pulley with a vertical cut with this same antena part, RS232 and USB used for control the servo.Get a hight resolution focus for your telescope meade 125 and webcam
pic a little to dark mate
desfletc 1 year ago