Telescope Focuser at BuyTelescopes.com

JMI Backup Plate for JMI Focusers (Flat)

This aluminum plate reinforces Sonotube (cardboard) and wooden optical tubes for mounting JMI focusers. The plates can be easily curved or flattened as needed. Works with EV, NGF (1.25" OR 2") or RCF focusers on cardboard tubes. (Will not work with the EV-75 Upgrade.)

$19.00

JMI Backup Plate for JMI Focusers (Curved)

This aluminum plate reinforces Sonotube (cardboard) and wooden optical tubes for mounting JMI focusers. The plates can be easily curved or flattened as needed. Works with EV, NGF (1.25" OR 2") or RCF focusers on cardboard tubes. (Will not work with the EV-75 Upgrade.)

$19.00

JMI 4.6" Length Drawtube Upgrade for RCF (at time of Purchase)

RCF focusers come standard with a 3" length drawtube. This option is for upgrading the drawtube length to 4.6" at the time of purchase of an RCF focuser.

** Only available for the 1.25" focusers

$19.00

Optec Replacement Temperature Probe for TCF/TCF-S Focuser

Six-foot cable substitutes for standard 20" cable supplied with stk. #17660 or #17670.

$25.00

Baader Planetarium Sliding T-2 Focuser

T2-24 - Baader Planetarium Sliding t-2 Focuser.

$44.00

Stellarvue 2” Straight through focuser for F60M2

Convert your F60M2 finder to an F60M3.

$49.00

Optec Telescope Mount for TCF-S Focuser (Meade/Celestron)

This adapter is required to fit the TCF-S focuser to various telescopes. One end has the necessary fittings for the particular telescope and the other has a protruding ring with dovetail groove. The three #8-32 setscrews in the TCF-S body clamp down on this ring. This is the Meade/Celestron mount for 2" rear cell thread. Fits Meade SCT's and Celstron 8", 9.25" SCT's.

$63.00

Optec Telescope mount for IFW & TCF-S FOCUSER / TeleVue 3"

TELESCOPE MOUNT FOR IFW & TCF-S FOCUSER. TeleVue 3” telescope mount, fits the NP101 male thread.

$69.00

JMI SCT Threaded Output Adapter - 3"

Large format SCT threaded output for inserting into a 3" drawtube. This adapter duplicates the large 3.25" diameter threads found on a large SCT allowing large format SCT accessories to be attached to the output of any 3" focuser. (This adapter is a standard accessory with an NGF-XTc focuser).

$75.00

Borg M42 Helical Focuser

Borg M42 Helical Focuser. Same as the 7841 but shorter travel.

$89.00

Optec TCF-S3 Mount for Meade LX200 16" Telescope

Telescope mount for TCF-S3 focuser system. Fits Meade LX200 16-inch telescope with the 4-inch rear cell thread.

$95.00

Optec TCF-S3 Mount for Meade Telescope w/3" Rear Cell Threads

TCF-S3 mount for Meade telescopes w/3" rear cell threads.

$95.00

Optec TCF-S3 Mount for Celestron Telescope w/3" Rear Cell Threads

Celestron telescope mount for the 3-inch rear cell thread.

$95.00

Optec (CCD Photo Accessories) Upgrade TCF to TCF-S serial version.

Upgrade standard TCF (stk. no. 17660) to serial version TCF-S (stk. no. 176770) above. Requires return of TCF hand controller to Optec for retrofit. Order 9-pin serial port converter (stk. no. 17695) and RJ-12 Reverse cable separately.

$100.00

JMI Reverse Crayford 1¼" Focuser (Newtonian Version without Motor)

A 1¼" Reverse Crayford focuser.

$113.00

Takahashi 16 Foot Extension Cable for Mewlon Focuser

16' extension cable for Mewlon focuser.

$118.95

JMI Reverse Crayford 2" Focuser (Newtonian Version without Motor)

A 2" Reverse Crayford focuser.

$136.00

JMI Motor for JMI EV Focusers (w/Hand Unit and Cable)

For use with JMI EV-1, EV-2, EV-3, EV-B.

The EV focuser's modular design means that you will NOT need to return the focuser for an upgrade.

$169.00

JMI Motofocus for Orion ED Apo Crayford Focuser

The Orion 80mm and 100mm ED Apochromatic Refractors use a Crayford focuser. Our MOTOFOCUS unit designed for the Orion Crayford focuser, includes a mounting bracket, miniature motor, two gears, hand unit (not shown) and power cord (not shown). The motor can be easily disengaged for manual focusing. Fits Orion 80mm and 100mm ED Apochromatic Refractors.

$179.00

JMI Event Horizon EV-3 Focuser for Cassegrains

The Event Horizon EV-3 is a 2" black-anodized aluminum focuser with knurled knobs. The focuser lifts up to 4 pounds. Manual control is over 1.25 times finer than most rack-and-pinion focusers. The Cassegrain version is designed for use on 6" to 16" Cassegrain telescopes (e.g. SCT and Mak-Cas) with standard output threads.

$199.00