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TDM Encoders - Explore Scientific TDM Telescope Drive Master Ver. 2.5: Encoder And Electronics Set
TDM Encoders - Explore Scientific TDM Telescope Drive Master Ver. 2.5: Encoder And Electronics Set

Explore Scientific TDM Telescope Drive Master Ver. 2.5: Encoder And Electronics Set

  • Vendor
    Explore Scientific
    Sale price
    $1,699.99
    Regular price
    $1,699.99
    Unit price
    per 

    Availability:

    By drastically reducing drive errors, the Telescope Drive Master puts 1 arc-second tracking ability within your reach without asking you to give up your existing mount.
    The Telescope Drive Master (TDM) is the vision of accomplished Hungarian amateur astronomers, Istvan Papp & Attila Madai of MDA Telescoop. It was their desire to solve the problem of tracking imperfections that, to some degree or another, are inherent in all equatorial mounts, and the Telescope Drive Master was the result. The TDM is designed to attach to a range of popularly available equatorial mounts through the use of a separately purchased mount-specific adapter. The Telescope Drive Master„¢ uses an ultra-high resolution encoder and an electronics package that transforms your drive system into a super-performance, research-grade drive. This device does not require tedious PEC training. Just turning on the TDM eliminates nearly all of the periodic and non-periodic tracking error of your equatorial mount.
    The TDM electronic controller unit compares the incoming signals from the high precision rotary encoder, which is mounted onto the RA shaft, with the time signal of its quartz oscillator. Any deviations of the angular velocity of the RA shaft from the prescribed drive rate are compensated by feedback regulation in real time by accelerating or slowing down the drive. If further correction is needed because of errors other than periodic drive error, the TDM allows auto-guider input as well. A typical drive on a moderately priced equatorial mount can easily have 20–30 arc seconds (or more) of periodic error. The TDM can easily improve it down to 2-to-2.5 arc-seconds peak-to-valley - which is what you would expect from equatorial mounts that cost many thousands of dollars. In many cases, that number will drop even further to 1 arc-second.
    Item Number 0721010
    Limited Warranty is one year, which converts to the Explore STAR Transferable Extended Life of the Product Warranty when product is registered within 60 days of purchase. Click Here to register.

    We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price then us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

    To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

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