JMI Red-tag Internet Sales
New, Used, Refurbished and Prototype Equipment

Check back often.
We will be adding to this page on a frequent basis.
Watch our Home Page for regular Product Sales.

Used Equipment

Two Available

Celestron 3.5" Refractor Mounting Rings

Used, in good condition
FREE (with order of $100 or more)
(Added 08/31/16)
Contact JMI and mention Red-tagged Mounting Rings when placing order.


Used Equipment

One Available

Orion LaserMate Deluxe Laser Collimator

Used, scuffed housing
$45 (plus shipping)
(Added 04/01/16)
Contact JMI and mention Red-tagged Laser Collimator when placing order.


Discontinued Parts

Eleven Available (Separately or as a Lot)

Black Knurled Knobs

Black-anodized, extruded aluminum
Knobs fit on 0.187" shaft with a 4-40 setscrew
is straight (for belt/o-ring) and crisscrossed (for fingers)
Flat surface on back side and concave surface on front side
$7 each or Make an Offer (plus shipping)
(Updated 11/25/15)
Contact JMI and mention Red-tagged Knobs when placing order.



Call or eMail JMI with inquiries or to purchase any of these sale items.