JMI EV-75 Upgrade for Meade LXD55 / LXD75 SN-6 / SN-8 / SN-10The EV-75 Upgrade makes the following changes to an EV-1n, EV-2n or EV-3n focuser to prepare it to replace the stock focuser on the Meade Schmidt-Newtonian:
1) Add an Adapter (EV-ADPT5) to the standard Newtonian Base. The adapter is made specifically for the SN-6 / SN-8 / SN-10.
3) Change the Drawtube from 3" to 2.5" length.
3) Add a 2" diameter x 2.13" height Enhanced Extension Tube (ADPT2X2.1E).
4) Upgrade the 1.25" Eyepiece Adapter to a Combination 1.25" Eyepiece and T-thread Adapter (ADPT2-1.25T).
* The Event Horizon focuser can only be upgraded for the listed price at the time of purchase.