Skip to content
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
  • ✨ FREE SHIPPING ON ORDERS OVER $60 ✨
SALELONGSKIRTGSALELONGSKIRTG
  • Orion
  • Celestron
  • Primalucelab
  • Ioptron
  • Chroma
  • Login
  • Cart / $189.00 2
      • × Takahashi 645 0.72x Reducer for CCA-250 For SaleTakahashi 645 0.72x Reducer for CCA-250 For Sale 1 × $97.00
      • × Optolong L-Pro EOS-R Clip Filter SaleOptolong L-Pro EOS-R Clip Filter Sale 1 × $92.00

      Subtotal: $189.00

      View cartCheckout

  • 2

    Cart

    • × Takahashi 645 0.72x Reducer for CCA-250 For SaleTakahashi 645 0.72x Reducer for CCA-250 For Sale 1 × $97.00
    • × Optolong L-Pro EOS-R Clip Filter SaleOptolong L-Pro EOS-R Clip Filter Sale 1 × $92.00

    Subtotal: $189.00

    View cartCheckout

“Optolong L-Pro EOS-R Clip Filter Sale” has been added to your cart. View cart
Sale!
Home / Optec

Optec TCF-Si Focuser Sale

$725.00 Original price was: $725.00.$94.00Current price is: $94.00.

Browse
  • Astrozap
  • Ats
  • Avalon
  • Baader
  • Celestron
  • Chroma
  • Coronado
  • Dew Not
  • Explore Scientific
  • Field Tested Systems
  • Gerd Neumann
  • Hotech
  • Ioptron
  • Losmandy
  • Lunt Solar
  • Meade
  • Officina Stellare
  • Opt
  • Optec
  • Optolong
  • Orion
  • Pegasus Astro
  • Pentax
  • Planewave
  • Primalucelab
  • Qhy
  • Qsi
  • Revolution Imager
  • Sbig
  • Sharpstar / Askar
  • Sky Watcher
  • Software Bisque
  • Spectrum Telescopes
  • Starizona
  • Starlight Instruments
  • Starlight Xpress
  • Stellarvue
  • Takahashi
  • Uncategorized
Recently Viewed
  • Takahashi Finderscope Reticle Illuminator Fashion Takahashi Finderscope Reticle Illuminator Fashion $154.99 Original price was: $154.99.$92.00Current price is: $92.00.
  • Description
  • Reviews (0)

Optec TCF-Si Focuser

The TCF-Si Focuser by Optec:

Mechanically, the Optec TCF-Si is a robust Crayford style motorized focuser with high repeatability, no play and nearly zero backlash of only 0.0013-inch. Optec’s implementation is ideal for applications which require exact focus such as CCD imaging or film astrophotography. A geared stepper motor rotates the drive shaft with one step rotation of the motor equal to a 0.000086-inch movement of the drawtube. Focuser control is now accomplished via direct serial connection between the focuser and computer. The unit adds 3.5-inches to the telescope’s back focus as measured from the front to the end of the drawtube when at the mid-focus position. The total travel of the drawtube is 0.6-inches or 7000 steps. The TCF-Si focuser can easily handle cameras and instrument packages weighing up to 10 pounds. The TCF-Si can be used with a PC for automatic focus with some of the popular camera control software. OPT Product Number: OP-17668

Product image depicts a Optec TCF-S Focuser for illustration purposes.

Reviews

There are no reviews yet.

Be the first to review “Optec TCF-Si Focuser Sale” Cancel reply

Related products

Sale!
Optolong L-Pro Canon Full Frame Clip Filter For Sale
+
Quick View

Optec

Optolong L-Pro Canon Full Frame Clip Filter For Sale

$269.00 Original price was: $269.00.$90.00Current price is: $90.00.
Sale!
Optolong L-eXtreme Dual-band Filter – 2-inch on Sale
+
Quick View

Optec

Optolong L-eXtreme Dual-band Filter – 2-inch on Sale

$309.00 Original price was: $309.00.$96.00Current price is: $96.00.
Sale!
Optec TCF- Leo Low-Profile Temperature Compensating Focuser Supply
+
Quick View

Optec

Optec TCF- Leo Low-Profile Temperature Compensating Focuser Supply

$1,495.00 Original price was: $1,495.00.$89.00Current price is: $89.00.
Sale!
Optec Pyxis LE Camera Field Rotator Online Hot Sale
+
Quick View

Optec

Optec Pyxis LE Camera Field Rotator Online Hot Sale

$754.99 Original price was: $754.99.$85.00Current price is: $85.00.
Sale!
Optec T/Bayonet Mounting Plate – Lepus Telecompressor to Nikon DSLR Sale
+
Quick View

Optec

Optec T/Bayonet Mounting Plate – Lepus Telecompressor to Nikon DSLR Sale

$95.00 Original price was: $95.00.$76.00Current price is: $76.00.
Sale!
Optolong HA SII OIII Narrowband Telescope Filter Kit – 36mm Fashion
+
Quick View

Optec

Optolong HA SII OIII Narrowband Telescope Filter Kit – 36mm Fashion

$557.00 Original price was: $557.00.$90.00Current price is: $90.00.
Sale!
Optolong Clear Sky Camera Filter – 82mm Fashion
+
Quick View

Optec

Optolong Clear Sky Camera Filter – 82mm Fashion

$205.00 Original price was: $205.00.$90.00Current price is: $90.00.
Sale!
Optolong Clear Sky Camera Filter – 77mm Supply
+
Quick View

Optec

Optolong Clear Sky Camera Filter – 77mm Supply

$165.00 Original price was: $165.00.$90.00Current price is: $90.00.
Latest
  • Takahshi 1.25-Inch Eyepiece Adapter Online Sale Takahshi 1.25-Inch Eyepiece Adapter Online Sale $108.00 Original price was: $108.00.$98.00Current price is: $98.00.
  • Takahashi Wide Mount T-Ring for Nikon DX-WR Online Takahashi Wide Mount T-Ring for Nikon DX-WR Online $167.00 Original price was: $167.00.$87.00Current price is: $87.00.
  • Tele Vue 0.8X Reducer – TV102 Online Sale Tele Vue 0.8X Reducer – TV102 Online Sale $394.99 Original price was: $394.99.$99.00Current price is: $99.00.
  • Tele Vue 1 Micron Indicator Kit – 2″ Cheap Tele Vue 1 Micron Indicator Kit – 2″ Cheap $629.01 Original price was: $629.01.$95.00Current price is: $95.00.
Best Selling
  • Orion StarShoot AutoGuider & 60mm Guide Scope Package Sale Orion StarShoot AutoGuider & 60mm Guide Scope Package Sale $449.99 Original price was: $449.99.$97.00Current price is: $97.00.
  • Lunt Solar  – 50mm H-Alpha Filter with B600 for 1.25″ Focuser Sale Lunt Solar – 50mm H-Alpha Filter with B600 for 1.25″ Focuser Sale $1,615.00 Original price was: $1,615.00.$87.00Current price is: $87.00.
  • Orion StarShoot G3 Deep Space Color Imaging Camera Online Sale Orion StarShoot G3 Deep Space Color Imaging Camera Online Sale $349.99 Original price was: $349.99.$90.00Current price is: $90.00.
  • Losmandy Gemini 2 Servo System Online Hot Sale Losmandy Gemini 2 Servo System Online Hot Sale $1,595.00 Original price was: $1,595.00.$94.00Current price is: $94.00.
Featured
  • Optec Lepus Universal T-Adapter – 50mm Length For Cheap Optec Lepus Universal T-Adapter – 50mm Length For Cheap $55.00 Original price was: $55.00.$44.00Current price is: $44.00.
  • Baader UFC S70/2-inch SCT Adapter Online Baader UFC S70/2-inch SCT Adapter Online $34.00 Original price was: $34.00.$30.60Current price is: $30.60.
  • Product Product
  • Avalon M-Zero LHQ Equatorial Fork Mount -Wi-Fi For Cheap Avalon M-Zero LHQ Equatorial Fork Mount -Wi-Fi For Cheap $5,596.57 Original price was: $5,596.57.$95.00Current price is: $95.00.
Top Rated
  • Orion StarShoot AutoGuider & 60mm Guide Scope Package Sale Orion StarShoot AutoGuider & 60mm Guide Scope Package Sale $449.99 Original price was: $449.99.$97.00Current price is: $97.00.
  • Lunt Solar  – 50mm H-Alpha Filter with B600 for 1.25″ Focuser Sale Lunt Solar – 50mm H-Alpha Filter with B600 for 1.25″ Focuser Sale $1,615.00 Original price was: $1,615.00.$87.00Current price is: $87.00.
  • Orion StarShoot G3 Deep Space Color Imaging Camera Online Sale Orion StarShoot G3 Deep Space Color Imaging Camera Online Sale $349.99 Original price was: $349.99.$90.00Current price is: $90.00.
  • Losmandy Gemini 2 Servo System Online Hot Sale Losmandy Gemini 2 Servo System Online Hot Sale $1,595.00 Original price was: $1,595.00.$94.00Current price is: $94.00.
CONTACT US

Please feel free to contact us if you have any problem.

Open Time: 8:00AM - 6:00PM

Company Info
  • Contact Us
  • My account
  • Track your order
Service Center
  • Term & Conditions
  • Returns & Refunds
  • Shipping Info
  • Privacy Policy
SIGN UP AND SAVE

Subscribe to get special offers, free giveaways, and once-in-a-lifetime deals.

    bg_image
    • Contact Us
    • My account
    • Track your order
    Copyright 2025 © Salelonrtg
    • Orion
    • Celestron
    • Primalucelab
    • Ioptron
    • Chroma
    • Login

    Register

    Don't have an account? Register one!

    Register an Account

    Login

    Lost your password?