Markless™ Astronomics

Accessories for Big and not-so-Big Dobs

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Cables, connectors, and adapters..

Shipping and handling is determined by total order weight and destination and subject to change without notice due to everchanging USPS Postal rates. Small items are shipped free of additional S&H if ordered with DSC Stalk™, MCW, PC-Podium, or ServoCAT Bracket.

Scroll down to see additional products.

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Teflon Center Pad

2.25” square x 1/16” thick.   Shape is as shown in photograph.   Add this pad between your rocker box and ground board.   The thickness is designed to complement the steel pick-up plate of the Powered Ground Board in order to aid azimuth movement.

Two center holes available:

  • 7/8” diameter for use with ¾” Pivot Post and spring.
  • ¾” diameter for use with ¾” Pivot Post only.

    Price $6 plus $3 S&H, USPS First Class Mail to USA 48 contiguous States, please add$3 for Priority Mail.

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  • Custom Length Encoder Cables:   Cable consists of two 4-conductor black telecom cables, terminated at one end in a RJ-45 (8p8c) connector and on the other ends with two RJ-11 (6p4c)or RJ-HS (4p4c) connectors.   Specify desired lengths for the ALT cable and for the AZ cable and specify which type of connectors you need.

    Encoder Cables Price:   $20.00   Please add $6 for USPS Priority Mail.

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  • Plastic Hole Liners:   When you make a clean hole in the transom of your rocker box for cables to pass through, you want to make it a neat job.   These inexpensive hole liners will do the trick.   Specify the size(s) you want.  

    Name       Fits hole diameter        Hole opening in liner

  • 1”                    1”                              ~0.75”
  • ¾”                   ¾”                             ~0.556”
  • 5/8”                5/8”                            ~0.516”

    Hole Liner Price:   $0.75 per liner, any size.   S&H $3, first class mail.   Please add $3 for USPS Priority Mail.

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  • Encoder Cable Repair Kit

    Kit includes

  • Adapter for Ideal Brand Crimper (not included) to enable it to crimp a RJ-HS connector (narrow 4p4c)  
  • Two RJ-HS connectors (4p4c)
  • Two RJ-11 connectors (6p4c)
  • One RJ-45 connector (8p8c)

    Repair Kit Price: $9.50 postpaid, first class mail. Please add $3 for USPS Priority Mail.

    Shipping and handling is determined by total order weight. Above items shipped free of additional S&H if ordered with DSC Stalk™, MCW, PC-Podium, or ServoCAT Bracket

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  • 10' COILED black, three-conductor cord, 3.5mm stereo, Male-Female

    This coiled cord replaces the standard 12’ cord that is used to connect the ServoCAT hand pad to the ServoCAT computer box via DSC Stalk. Plug the stereo cable located at the top of the DSC Stalk into the female end of this cable and plug the male end into the hand pad. Coiled feature helps keep the cord out of the way when not in use.

    CCA-120 Price $12.00 postpaid, first class mail. Please add $3 for USPS Priority Mail.

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  • 6' straight, black, three-conductor cord, 3.5mm Male-Female, NOT-coiled

    This straight cord replaces the standard 12’ cord. It is used to connect the ServoCAT hand pad to the ServoCAT computer box via the DSC Stalk. Plug the stereo cable located at the top of the DSC Stalk into the female end of this cable and plug the male end into the hand pad. This may be a suitable length for a F4 to F5 telescope in the 12.5” to 15” aperture range.

    SCA-72 Price $8.00 postpaid, first class mail. Please add $3 for USPS Priority Mail.

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  • 12' straight, black cable, 3.5 mm Male-Male stereo plugs on both ends, NOT-coiled

    This cable is identical to the cable that was shipped with your ServoCAT. It has male stereo connectors on each end. It is 12’ long.

    SCA-144 Price $8 postpaid, first class mail. Please add $3 for USPS Priority Mail.

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  • 3.5mm stereo, male connector, black

    Make your own cables or replace a connector.

    MSCN-125 Price $6 postpaid, first class mail. Please add $3 for USPS Priority Mail.

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  • 3.5mm stereo, female connector, black

    Make your own cables or replace a connector.

    FSCN-125 Price: $6 postpaid, first class mail. Please add $3 for USPS Priority Mail.

    Shipping and handling is determined by total order weight. Above items shipped free of additional S&H if ordered with DSC Stalk, MCW, PC-Podium, or ServoCAT Bracket

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  • D2P Adapter, DC Coaxial socket (either 2.1x5.5mm or 2.5mmx5mm , specify when ordering) to RCA Phono Male

    Converts DC coaxial power plug into RCA Phono plug.   For example, plug your Wildcard external Argo Navis cable (2.5x5.5mm) into the jack of this adapter and plug the other end of the adapter into the jack in the panel of the DSC Stalk™. No need to buy a new cable or cut off the existing connector.

    D2P Adapter Price: $15 postpaid, plus $3 for first class mail, or $6 for USPS Priority Mail.

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    Great Astro Links to other fine products and ideas:

    Astrocrumb Filter Slides - a "MUST HAVE" accessory for your Big Dob. Roger builds 'em RIGHT!

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    Obsession® Telescopes - by Dave Kriege - Heirloom Grade Telescopes for the discriminating astronomer

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    Copyright 2003-2015, by Charles Starks, Charlotte, NC, All Rights Reserved

    Updated: 8:20 AM 01/26/2015