Focusers and Accessories
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Original price $199.99 - Original price $199.99Original price$199.99$199.99 - $199.99Current price $199.99| /
Explore Scientific 2" AR Series Focuser
ES-FOCDAR-00Explore Scientific’s dual speed, 2" AR Series Focuser comes with a 1.25" compression ring eyepiece adapter for added versatility. This adapter or y...
View full detailsOriginal price $199.99 - Original price $199.99Original price$199.99$199.99 - $199.99Current price $199.99| / -
Original price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| /
Explore Scientific 2" Comet Hunter Focuser - Includes Extension Tubes
ES-FOCCMTHTR-00Explore Scientific™ David H. Levy Comet Hunter Telescope is rich in quality components. Among those is the 2? Comet Hunter Focuser, which also can ...
View full detailsOriginal price $119.99 - Original price $119.99Original price$119.99$119.99 - $119.99Current price $119.99| / -
Original price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| /
Explore Scientific 2.5 Hex Focuser
ES-FOC25HDescription APO EDT Series Crayford Style Focuser Item Number FOC25H Weight 1.5lb; .68kg Diameter 2.5" Length 104.8mm
Original price $179.99 - Original price $179.99Original price$179.99$179.99 - $179.99Current price $179.99| / -
Original price $229.99 - Original price $229.99Original price$229.99$229.99 - $229.99Current price $229.99| /
Explore Scientific APO EDT Series Rack & Pinion Focuser
ES-FOCEDAPO-RPFinding and holding that perfect crisp focus is almost effortless with Explore Scientific’s Rack & Pinion Focuser. Defined by its precision, th...
View full detailsOriginal price $229.99 - Original price $229.99Original price$229.99$229.99 - $229.99Current price $229.99| / -
Original price $71.99 - Original price $71.99Original price$71.99$71.99 - $71.99Current price $71.99| /
Explore Scientific Two-Speed 10:1 Focus Knob Mechanism for 2.5" HEX Focusers
ES-625720Explore Scientific Two-Speed 10:1 Focus Knob Mechanism for 2.5" HEX Focusers
Original price $71.99 - Original price $71.99Original price$71.99$71.99 - $71.99Current price $71.99| / -
Original price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| /
Howie Glatter 2.0" Parallizer Eyepiece Centering Adapter
SI-A20-SCT-PIntroducing the SCT Parallizer®. This new application of Howie Glatter’s patented Parallizer® principle raises the bar for performance. The 2” hol...
View full detailsOriginal price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| / -
Original price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| /
Howie Glatter 2.0" to 1.25" Eyepiece Centering Adapter
SI-EA20-205PUser InstructionsThere is a misconception that the problem of the cylindrical slip-fit system we use for eyepieces and other optical accessories is...
View full detailsOriginal price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| / -
Original price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| /
Howie Glatter T-Adater w/ Parallizer Design
SI-EA20-205P-TT-adapter with Howie Glatter's Parallizer Patent alignment feature allows your image train to stay parallelThere is a misconception that the proble...
View full detailsOriginal price $90.00 - Original price $90.00Original price$90.00$90.00 - $90.00Current price $90.00| / -
Original price $23.10 - Original price $23.10Original price$23.10$23.10 - $23.10Current price $23.10| /
JMI Coiled Cord - JMI Hand Units
JMI-CBL2COILJMI Coiled Cord – JMI Hand Units is a coiled cord for Single-Control or Dual-Control Hand Units. It includes a 1/8" mono (TS) phone plug on (one or...
View full detailsOriginal price $23.10 - Original price $23.10Original price$23.10$23.10 - $23.10Current price $23.10| /Sold out -
Original price $30.80 - Original price $30.80Original price$30.80$30.80 - $30.80Current price $30.80| /
JMI Curved Backup Plate for JMI Focusers
JMI-ADPTBUPCJMI Curved Backup Plate for JMI Focusers
Original price $30.80 - Original price $30.80Original price$30.80$30.80 - $30.80Current price $30.80| /Sold out -
Original price $74.80 - Original price $74.80Original price$74.80$74.80 - $74.80Current price $74.80| /
JMI EV Focuser Base - Cassegrain
JMI-EV-BASCJMI EV Focuser Base – Cassegrain is an individual base part with a 2" diameter thread for JMI Event Horizon Focusers compatible with Cassegrain Tel...
View full detailsOriginal price $74.80 - Original price $74.80Original price$74.80$74.80 - $74.80Current price $74.80| /Sold out -
Original price $80.30 - Original price $80.30Original price$80.30$80.30 - $80.30Current price $80.30| /
JMI EV Focuser Base - Newtonian
JMI-EV-BASNJMI EV Focuser Base – Newtonian is an individual base part for JMI Event Horizon Focusers compatible with Newtonian Telescopes.
Original price $80.30 - Original price $80.30Original price$80.30$80.30 - $80.30Current price $80.30| /Sold out -
Original price $93.50 - Original price $93.50Original price$93.50$93.50 - $93.50Current price $93.50| /
JMI EV Focuser Large Format Base - Cassegrain
JMI-EV-BASLJMI EV Focuser Large Format Base – Cassegrain is an individual base part with a 3.25" diameter thread for JMI Event Horizon Focusers compatible wit...
View full detailsOriginal price $93.50 - Original price $93.50Original price$93.50$93.50 - $93.50Current price $93.50| /Sold out -
Original price $96.80 - Original price $96.80Original price$96.80$96.80 - $96.80Current price $96.80| /
JMI EV Focuser Standard Body
JMI-EV-BODYJMI EV Focuser Standard Body is an individual body part for JMI Event Horizon Focusers.
Original price $96.80 - Original price $96.80Original price$96.80$96.80 - $96.80Current price $96.80| /Sold out -
Original price $434.50 - Original price $434.50Original price$434.50$434.50 - $434.50Current price $434.50| /
JMI EV-1c Dual-Speed Event Horizon Focuser - Cassegrain
JMI-EV-1cA masterpiece of engineering and workmanship, JMI Dual-Speed Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser ...
View full detailsOriginal price $434.50 - Original price $434.50Original price$434.50$434.50 - $434.50Current price $434.50| /Sold out -
Original price $446.60 - Original price $446.60Original price$446.60$446.60 - $446.60Current price $446.60| /
JMI EV-1n Dual-Speed Event Horizon Focuser - Newtonian
JMI-EV-1nA masterpiece of engineering and workmanship, JMI Dual-Speed Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser d...
View full detailsOriginal price $446.60 - Original price $446.60Original price$446.60$446.60 - $446.60Current price $446.60| /Sold out -
Original price $325.60 - Original price $325.60Original price$325.60$325.60 - $325.60Current price $325.60| /
JMI EV-2c Event Horizon Focuser - Cassegrain
JMI-EV-2cA masterpiece of engineering and workmanship, JMI Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser designed fo...
View full detailsOriginal price $325.60 - Original price $325.60Original price$325.60$325.60 - $325.60Current price $325.60| /Sold out -
Original price $337.70 - Original price $337.70Original price$337.70$337.70 - $337.70Current price $337.70| /
JMI EV-2n Event Horizon Focuser - Newtonian
JMI-EV-2nA masterpiece of engineering and workmanship, JMI Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser designed for...
View full detailsOriginal price $337.70 - Original price $337.70Original price$337.70$337.70 - $337.70Current price $337.70| /Sold out -
Original price $253.00 - Original price $253.00Original price$253.00$253.00 - $253.00Current price $253.00| /
JMI EV-3c Standard Event Horizon Focuser - Cassegrain
JMI-EV-3cA masterpiece of engineering and workmanship, JMI Standard Event Horizon Telescope Focuser – Cassegrain is a low-profile, friction-drive focuser de...
View full detailsOriginal price $253.00 - Original price $253.00Original price$253.00$253.00 - $253.00Current price $253.00| /Sold out -
Original price $265.10 - Original price $265.10Original price$265.10$265.10 - $265.10Current price $265.10| /
JMI EV-3n Standard Event Horizon Focuser - Newtonian
JMI-EV-3nA masterpiece of engineering and workmanship, JMI Standard Event Horizon Telescope Focuser – Newtonian is a low-profile, friction-drive focuser des...
View full detailsOriginal price $265.10 - Original price $265.10Original price$265.10$265.10 - $265.10Current price $265.10| /Sold out -
Original price $337.70 - Original price $337.70Original price$337.70$337.70 - $337.70Current price $337.70| /
JMI Event Horizon ZWO EAF Focuser - Newtonian
JMI-EVRZ-nThe name is a mouthful - what it means is that we've made an adaptation mechanism to mount the ZWO EAF focus motor on our Crayford Focuser that wi...
View full detailsOriginal price $337.70 - Original price $337.70Original price$337.70$337.70 - $337.70Current price $337.70| /Sold out -
Original price $30.80 - Original price $30.80Original price$30.80$30.80 - $30.80Current price $30.80| /
JMI Flat Backup Plate for JMI Focusers
JMI-ADPTBUPFJMI Flat Backup Plate for JMI Focusers
Original price $30.80 - Original price $30.80Original price$30.80$30.80 - $30.80Current price $30.80| /Sold out -
Original price $240.90 - Original price $240.90Original price$240.90$240.90 - $240.90Current price $240.90| /
JMI MOTOFOCUS for Celestron C11 / C14
JMI-MFC11Compatible with: Celestron C11 Celestron CG-11 Celestron CM-1100 Celestron Ultima 11 Celestron C14 Celestron CG-14 Celestron CM-1400 Celestron CM-...
View full detailsOriginal price $240.90 - Original price $240.90Original price$240.90$240.90 - $240.90Current price $240.90| /Sold out -
Original price $240.90 - Original price $240.90Original price$240.90$240.90 - $240.90Current price $240.90| /
JMI MOTOFOCUS for Celestron C8
JMI-MFC8Focusing is made easy with JMI MotoFocus – Celestron C8. MotoFocus is a battery operated hand control with an electric focus motor that attaches to...
View full detailsOriginal price $240.90 - Original price $240.90Original price$240.90$240.90 - $240.90Current price $240.90| /Sold out