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Enjoy Free Shipping on Orders Over $500 + Same-Day Dispatch (Before 3 PM*) *Some exclusions apply

Electronic Focuser for Telescopes

The electronic focuser for telescopes provides precise and smooth control over focus, which is essential for demanding astronomers and astrophotographers. Unlike manual focusing, this system ensures a fine and stable adjustment, minimizing vibrations and focusing errors during long observation sessions or photo shoots.

Particularly useful in astrophotography, this electronic telescope accessory ensures precise tracking of stars and celestial objects, allowing you to capture perfectly sharp and detailed images, even during long exposures. Modern systems feature ergonomic controls, often compatible with remote controls or control software, for optimal comfort and remote operation from your observation station. 

At Astronomy Plus, we offer a selection of reliable, robust, and easy-to-install electronic focusers for telescopes, suitable for both amateur and professional astrophotographers. Choosing a high-performance electronic system ensures precise adjustment, a comfortable observing experience, and high-quality astrophotography, regardless of the conditions or the type of telescope used.

To complete your setup and optimize your sessions, also check out our electronic polarizers, electronic OAGs, electronic DSLR solutions, and much more.

Original price $209.00 - Original price $209.00
Original price
$209.00
$209.00 - $209.00
Current price $209.00

ZWO EAF-N Electronic Automatic Focuser (EAFN)

ZWO

ZWO EAF-N Electronic Automatic Focuser The new generation of ZWO EAF continues the brand’s signature minimalist design, featuring a robust metal ho...

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Original price $209.00 - Original price $209.00
Original price
$209.00
$209.00 - $209.00
Current price $209.00
Original price $55.00 - Original price $55.00
Original price
$55.00
$55.00 - $55.00
Current price $55.00

ZWO EAF Bracket for Celestron C8/C9.25/C11/C14

ZWO

ZWO EAF Bracket for Celestron C8/C9.25/C11/C14 This bracket is designed to work with C8, C9, C11 and C14 the Celestron SCT scopes. You can directly...

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Original price $55.00 - Original price $55.00
Original price
$55.00
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Current price $55.00
Original price $56.00 - Original price $56.00
Original price
$56.00
$56.00 - $56.00
Current price $56.00

ZWO EAF Hand Controller (EAF-HC)

ZWO

ZWO EAF Hand Controller This ZWO Hand Controller is designed to be used with the Electronic Automatic Focuser (EAF). The casing of the hand control...

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Original price $56.00 - Original price $56.00
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$56.00
$56.00 - $56.00
Current price $56.00
Original price $349.00 - Original price $349.00
Original price
$349.00
$349.00 - $349.00
Current price $349.00

ZWO EAF-PRO Electronic Automatic Focuser (EAFPRO)

ZWO

ZWO EAF-PRO Electronic Automatic Focuser The new generation of ZWO EAF continues the brand’s signature minimalist design, featuring a robust metal ...

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Original price $349.00 - Original price $349.00
Original price
$349.00
$349.00 - $349.00
Current price $349.00
Original price $283.00 - Original price $325.00
Original price $283.00 - Original price $325.00
Original price $283.00
$220.00 - $295.00
$220.00 - $295.00
Current price $220.00

QHYCCD Q-Focuser Standard & High Precision

QHYCCD

QHYCCD Q-Focuser Standard & High Precision QFocuser comes in two versions: Standard Version and Precision Version. The Standard version is de...

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Original price $283.00 - Original price $325.00
Original price $283.00 - Original price $325.00
Original price $283.00
$220.00 - $295.00
$220.00 - $295.00
Current price $220.00
Save up to $63.00 Save $0.00
Original price $364.00 - Original price $364.00
Original price
$364.00
$364.00 - $364.00
Current price $364.00

Celestron Focus Motor for SCT and EdgeHD (94155-A)

Celestron

Celestron Focus Motor for SCT and EdgeHD The Focus Motor provides electronic focusing for Celestron Schmidt-Cassegrain (SCT), EdgeHD, and RASA tele...

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Original price $364.00 - Original price $364.00
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$364.00
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Current price $364.00
Original price $41.00 - Original price $41.00
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$41.00
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Current price $41.00

ZWO EAF Bracket for Takahashi (EAF-BRK-TK)

ZWO

ZWO EAF Bracket for Takahashi The ZWO EAF Bracket for Takahashi allows you to install the Electronic Automatic Focuser (EAF) on your Takahashi scop...

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Original price $41.00 - Original price $41.00
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$41.00
$41.00 - $41.00
Current price $41.00
Original price $35.00 - Original price $139.00
Original price
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$35.00 - $139.00
Current price $35.00

Astroasis Oasis Rose Focuser General Adapter Clamps

Astroasis

Astroasis Oasis Focuser General Adapter Clamps Please refer to the compatibility chart. You will need adapters to fit your focuser.  Knowed install...

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Original price $35.00 - Original price $139.00
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$35.00 - $139.00
Current price $35.00
Original price $340.00 - Original price $340.00
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$340.00
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Current price $340.00

Pegasus Astro FocusCube 3 (FC3-UNIV)

Pegasus

Pegasus Astro FocusCube 3 Introducing the Pegasus Astro FocusCube 3, our cutting-edge solution for achieving fast, reliable, and precise focusing o...

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Original price $340.00 - Original price $340.00
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$340.00
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Current price $340.00
Original price $1,225.00 - Original price $2,331.00
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Current price $1,225.00

PrimaluceLab ESATTO 2" LP Low Profile Robotic Focuser (PLLEST2LP-B)

PrimaluceLab

PrimaluceLab ESATTO 2" LP Low Profile Robotic Focuser ESATTO 2” LP is the most compact low profile robotic focuser specially designed for telescope...

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Original price $1,225.00 - Original price $2,331.00
Original price
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Current price $1,225.00
Original price $251.00 - Original price $251.00
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$251.00
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Current price $251.00

Touptek Astro Automatic Focuser (AAF)

Touptek

Touptek Astro Automatic Focuser The astronomical electric focuser is one of the essential accessories for astrophotography and observation. It pr...

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Original price $251.00 - Original price $251.00
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$251.00
$251.00 - $251.00
Current price $251.00
Original price $59.00 - Original price $59.00
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$59.00
$59.00 - $59.00
Current price $59.00

ZWO Spare EAF Bracket (EAF-BRK-STD)

ZWO

ZWO Spare EAF Bracket   Replacement ZWO EAF standard bracket and screws.   In the Box ZWO Spare EAF Bracket   Warranty ZWO 1-Year Warranty

Original price $59.00 - Original price $59.00
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$59.00
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Current price $59.00
Original price $109.00 - Original price $286.00
Original price
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Current price $109.00

Pegasus Astro Prodigy Microfocuser Telescope Adapters

Pegasus

Pegasus Astro Prodigy Microfocuser Telescope Adapters Adapter for SCT 2" SCT 2-inchCan be used with SCT 2”telescopes (for 2” male thread telescop...

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Original price $109.00 - Original price $286.00
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Current price $109.00
Original price $496.00 - Original price $496.00
Original price
$496.00
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Current price $496.00

Pegasus FocusCube Zero for SCT, Edge & RASA

Pegasus

Pegasus FocusCube Zero for SCT, Edge & RASA * Power cable is optional. PEG-PSU-21 or CIGLIGHT-ADAPTER21 must be bought separately. Focus fast, ...

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Original price $496.00 - Original price $496.00
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$496.00
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Current price $496.00
Original price $643.00 - Original price $755.00
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Current price $643.00

iOptron iAFS 2" Inline Automatic Focuser

iOptron

iOptron iAFS Integrated Electronic Focuser Introducing the most versatile inline auto focuser: the iOptron iAFSTM focuser with iLockTM technology! ...

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Original price $643.00 - Original price $755.00
Original price
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Current price $643.00
Original price $1,673.00 - Original price $3,619.00
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Current price $1,673.00

PrimaluceLab ESATTO 3.5" LP Low Profile Robotic Focuser (PLLEST35LP-B)

PrimaluceLab

PrimaluceLab ESATTO 3.5" LP Low Profile Robotic Focuser ESATTO 3,5” LP is the most advanced yet affordable low profile robotic focuser specially de...

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Original price $1,673.00 - Original price $3,619.00
Original price
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Current price $1,673.00
Original price $202.00 - Original price $202.00
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$202.00
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Current price $202.00

Pegasus Motor Focus Kit V2 Universal (MFKv2-UNIV)

Pegasus

Pegasus Motor Focus Kit V2 * Power cable is optional. PEG-PSU-21 or CIGLIGHT-ADAPTER21 must be bought separately. Focus accurate and fast your tele...

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Original price $202.00 - Original price $202.00
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$202.00
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Current price $202.00
Original price $3,493.00 - Original price $4,151.00
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$3,493.00 - $4,151.00
Current price $3,493.00

Optec Hercules Focusing Rotator (19749)

Optec

Optec Hercules Focusing Rotator New Low Profile Combination Focuser & Rotator Optec's new Hercules rotating focuser combines camera field rotat...

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Original price $3,493.00 - Original price $4,151.00
Original price
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$3,493.00 - $4,151.00
Current price $3,493.00
Original price $108.00 - Original price $108.00
Original price
$108.00
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Current price $108.00

PrimaLuceLab 33mm adapter for SESTO SENSO 2 (SESTOSENSO-AD33II)

PrimaluceLab

PrimaLuceLab 33mm adapter for SESTO SENSO 2 This 33mm adapter allows you to install SESTO SENSO 2 on focusers that come with a 33mm diameter shaft,...

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Original price $108.00 - Original price $108.00
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$108.00
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Current price $108.00
Original price $1,326.00 - Original price $1,653.00
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Current price $1,326.00

PlaneWave Electronic Focus Accessory EFA Kit

Planewave

PlaneWave Electronic Focus Accessory EFA Kit The EFA control box can be mounted to the back plate of any PlaneWave telescope OTA (12.5 through 24 i...

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Original price $1,326.00 - Original price $1,653.00
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$1,326.00 - $1,653.00
Current price $1,326.00
Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00

iOptron Electronic Automatic Focuser - iEAF (8453)

iOptron

iOptron Electronic Automatic Focuser - iEAF This iOptron Electronic Automatic Focuser (iEAF) is designed for both Crayford and Rack-and-Pinion focu...

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Original price $279.00 - Original price $279.00
Original price
$279.00
$279.00 - $279.00
Current price $279.00
Original price $735.00 - Original price $735.00
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$735.00
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Current price $735.00

Optec ThirdLynx QuickSync TKX (19965)

Optec

Optec ThirdLynx QuickSync TKX QuickSync TKX motor with integrated ThirdLynx controller for Takahashi dual-speed MEF focuser. Compatibility: Takaha...

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Original price $735.00 - Original price $735.00
Original price
$735.00
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Current price $735.00
Original price $235.00 - Original price $235.00
Original price
$235.00
$235.00 - $235.00
Current price $235.00

Pegasus eXternal Motor Controller (XMOTORCTRL)

Pegasus

Pegasus eXternal Motor Controller The external motor controller (XMC) was designed to expand the focus capabilities of the “Ultimate Powerbox v2” ...

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Original price $235.00 - Original price $235.00
Original price
$235.00
$235.00 - $235.00
Current price $235.00
Original price $1,386.00 - Original price $1,386.00
Original price
$1,386.00
$1,386.00 - $1,386.00
Current price $1,386.00

Pegasus Astro Prodigy Microfocuser (PRDG-FOCUSER)

Pegasus

Pegasus Astro Prodigy Microfocuser * Power cable is optional. CIGLIGHT-ADAPTER21 must be bought separately. Prodigy is our new 3” robotic microfocu...

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Original price $1,386.00 - Original price $1,386.00
Original price
$1,386.00
$1,386.00 - $1,386.00
Current price $1,386.00
Original price $286.00
Original price $286.00 - Original price $286.00
Original price $286.00
Current price $230.00
$230.00 - $230.00
Current price $230.00

Pegasus Astro Dual Motor Focus Controller (DMFC)

Pegasus

Pegasus Astro Dual Motor Focus Controller * Power cable is optional. PEG-PSU-21 or CIGLIGHT-ADAPTER21 must be bought separately. The Pegasus Astro ...

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Original price $286.00
Original price $286.00 - Original price $286.00
Original price $286.00
Current price $230.00
$230.00 - $230.00
Current price $230.00
Save $56.00 Save $0.00
Original price $1,225.00
Original price $1,225.00 - Original price $1,225.00
Original price $1,225.00
Current price $920.00
$920.00 - $920.00
Current price $920.00

PrimaluceLab ESATTO 2" LP Low Profile Robotic Focuser (PLLEST2LP-B-U)

PrimaluceLab

PrimaluceLab ESATTO 2" LP Low Profile Robotic Focuser In excellent condition-  USB-C to USB-A Cable missing ESATTO 2” LP is the most compact low pr...

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Original price $1,225.00
Original price $1,225.00 - Original price $1,225.00
Original price $1,225.00
Current price $920.00
$920.00 - $920.00
Current price $920.00
Save $305.00 Save $0.00
Original price $273.00 - Original price $273.00
Original price
$273.00
$273.00 - $273.00
Current price $273.00

William Optics ZWO EAF Mounting Bracket for WIFD System

William Optics

William Optics ZWO EAF Mounting Bracket for WIFD System Compatibility Telescope Focuser: All of WO focuser with modular focusing mechanism WIFD f...

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Original price $273.00 - Original price $273.00
Original price
$273.00
$273.00 - $273.00
Current price $273.00
Original price $313.00 - Original price $405.00
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$313.00 - $405.00
Current price $313.00

RB Focus Myrddin V2.3 Electronic Focus Motor

RBFocus

RB Focus Myrddin V2.3 Electronic Focus Motor Discover the ultimate evolution of our innovative autofocus solution for astronomical telescopes! ...

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Original price $313.00 - Original price $405.00
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Current price $313.00
Original price $410.00 - Original price $478.00
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$410.00 - $478.00
Current price $410.00

RB Focus Merlin 3.0 Electronic Focus Motor

RBFocus

RB Focus Merlin 3.0 Electronic Focus Motor Discover the RB-Focuser Merlin 3.0 Heavy Duty, our revolutionary autofocus solution for astronomical...

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Original price $410.00 - Original price $478.00
Original price
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$410.00 - $478.00
Current price $410.00
Original price $454.00 - Original price $522.00
Original price
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$454.00 - $522.00
Current price $454.00

RB Focus Merlin HD 3.0 Electronic Focus Motor

RBFocus

RB Focus Merlin HD 3.0 Electronic Focus Motor Discover the RB-Focuser Merlin 3.0 Heavy Duty, our revolutionary autofocus solution for astronomi...

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Original price $454.00 - Original price $522.00
Original price
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$454.00 - $522.00
Current price $454.00
Original price $1,987.00 - Original price $1,987.00
Original price
$1,987.00
$1,987.00 - $1,987.00
Current price $1,987.00

PrimaLuceLab ESATTO 2" focuser with ARCO 2" rotator (PLLEST2ARCO2)

PrimaluceLab

PrimaLuceLab ESATTO 2" focuser with ARCO 2" rotator  Since ESATTO focuser and ARCO rotator are designed to work together, you doesn't need to have ...

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Original price $1,987.00 - Original price $1,987.00
Original price
$1,987.00
$1,987.00 - $1,987.00
Current price $1,987.00
Original price $101.00 - Original price $101.00
Original price
$101.00
$101.00 - $101.00
Current price $101.00

Rigel Systems USB-nFOCUS Adapter (NF-USB)

Rigel Systems

Rigel Systems USB-nFOCUS Adapter For the Rgel Systems nFOCUSER : Rigel Systems nFOCUS DC Focus Motor Kits Computerize your nFOCUS to focus from you...

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Original price $101.00 - Original price $101.00
Original price
$101.00
$101.00 - $101.00
Current price $101.00
Original price $100.00 - Original price $265.00
Original price
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$100.00 - $265.00
Current price $100.00

Rigel Systems nFOCUS DC Focus Motor Kits

Rigel Systems

Rigel Systems nFOCUS DC Focus Motor Kits nFOCUS motor controller provides the ultimate in accurate focusing. nFOCUS is the affordable way to get hi...

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Original price $100.00 - Original price $265.00
Original price
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$100.00 - $265.00
Current price $100.00
Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00

Celestron AUX Power Cable for Smart DewHeater Controllers (94038)

Celestron

Celestron AUX Power Cable for Smart DewHeater Controllers Add this cable to use the Smart DewHeater Controllers’ AUX ports when using a third-par...

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Original price $25.00 - Original price $25.00
Original price
$25.00
$25.00 - $25.00
Current price $25.00
Original price $2,373.00 - Original price $2,373.00
Original price
$2,373.00
$2,373.00 - $2,373.00
Current price $2,373.00

Optec Temperature Compensating Focuser TCF-LSI 3" (19705)

Optec

Optec TCF-LSI 3" Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI features a robust 3-inch Crayford-styl...

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Original price $2,373.00 - Original price $2,373.00
Original price
$2,373.00
$2,373.00 - $2,373.00
Current price $2,373.00
Original price $1,113.00 - Original price $1,113.00
Original price
$1,113.00
$1,113.00 - $1,113.00
Current price $1,113.00

Optec TCF-LSI 2-inch Temperature Compensating Focuser (19702)

Optec

Optec TCF-LSI 2-inch Temperature Compensating Focuser Following the long tradition of the TCF-S Temperature Compensating Focuser, Optec's TCF-LSI f...

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Original price $1,113.00 - Original price $1,113.00
Original price
$1,113.00
$1,113.00 - $1,113.00
Current price $1,113.00
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