Skip to content
  • Free shipping on orders over $69
    • Free shipping on orders over $69
    Telescope HomeTelescope Home
    • Telescopes
      • Astrographs
      • Catadioptric Telescopes
      • DobsonianTelescopes
      • Reflecting Telescopes
      • Refracting Telescopes
      • Smart Telescopes
      • Solar Telescopes
      • Telescope Bundles
    • Astro Photography
      • Accessories
      • Cameras
      • Mounts
      • WiFi Camera Control
    • Smart Telescopes
    • Used Telescopes
    • Computerized Telescopes
    • Telescope Accessories
      • Accessory Kits & Bundles
      • Cases & Covers & Dobsonian Shrouds
      • Cleaning & Maintenance
      • Collimation Tools
      • Dew & Moisture Protection
      • Equatorial Mounts
      • Field Flatteners
      • Focusers
      • Learning & Gifts & Fun
      • Mounting Hardware
      • Observation Accessories
      • Power & Cables
      • Reducers & Correctors
      • Replacement Parts
      • Solar Filters
      • Telescope Adapters
    • Binoculars & Microscopes
      • Binocular Accessories
      • Compound Microscopes
      • Digital Microscopes
      • Hand Held Microscopes
      • Microscope lmagers
      • Microscope Slides
      • Monoculars
      • Porro Prism Binoculars
      • Roof Prism Binoculars
      • Spotting Scopes
      • Stereo Microscopes
    • Shopping Guide
    • Cart / $0.00 0
      • No products in the cart.

        Return to shop

    • 0
      Cart

      No products in the cart.

      Return to shop

    Sale!
    Telescope-Collimation Tools-Bob's Knobs Celestron 6" SCT Collimation Knobs Secondary - Black Oxide
    Telescope-Collimation Tools-Bob's Knobs Celestron 6" SCT Collimation Knobs Secondary - Black Oxide - Image 2
    Telescope-Collimation Tools-Bob's Knobs Celestron 6" SCT Collimation Knobs Secondary - Black Oxide - Image 3
    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 4
    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 5
    Home / Telescope Accessories / Collimation Tools

    Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide

    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 6
    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 7

    $25.80 Original price was: $25.80.$16.77Current price is: $16.77.

    58 in stock

    Categories: Collimation Tools, Telescope Accessories Tags: best children's telescope, Bob's Knobs Celestron 6" SCT Collimation Knobs Secondary - Black Oxide, Collimation Tools, hubble space telescope pictures, hubble telescope photos, sky and telescope magazine, sky telescope, Telescope, telescope casual furniture, webb telescope images
    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 8
    • Telescope-Collimation Tools-Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide 9
    Browse
    • Astro Photography (1191)
    • Smart Telescopes (19)
    • Used Telescopes (19)
    • Computerized Telescopes (91)
    • Telescope Accessories (1718)
      • Cases & Covers & Dobsonian Shrouds (145)
      • Cleaning & Maintenance (8)
      • Mounting Hardware (393)
      • Telescope Adapters (236)
      • Observation Accessories (18)
      • Learning & Gifts & Fun (2)
      • Field Flatteners (29)
      • Equatorial Mounts (86)
      • Reducers & Correctors (60)
      • Accessory Kits & Bundles (12)
      • Dew & Moisture Protection (150)
      • Replacement Parts (134)
      • Collimation Tools (83)
      • Power & Cables (165)
      • Focusers (91)
      • Solar Filters (106)
    • Binoculars & Microscopes (99)
    • Telescopes (623)
    • Overview

    Bob’s Knobs Celestron 6″ SCT Collimation Knobs Secondary – Black Oxide

    what our customer say this product:

    1. Lawrence F. Verified Buyer – 3 July 2024

      So much easier to collimate the SCT

    Only logged in customers who have purchased this product may leave a review.

    Related products

    Sale!
    Telescope-Solar Filters-Apertura AD8 Solar FilterTelescope-Solar Filters-Apertura AD8 Solar Filter 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-Apertura AD8 Solar Filter

    $64.95 Original price was: $64.95.$38.97Current price is: $38.97.
    Sale!
    Telescope-Solar Filters-Apertura AD12 Solar FilterTelescope-Solar Filters-Apertura AD12 Solar Filter 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-Apertura AD12 Solar Filter

    $70.79 Original price was: $70.79.$42.48Current price is: $42.48.
    Sale!
    Telescope-Solar Filters-AstroZap Baader Solar Filter For Orion ED 80 / 100 and 104 mm-114 mm OD TelescopesTelescope-Solar Filters-AstroZap Baader Solar Filter For Orion ED 80 / 100 and 104 mm-114 mm OD Telescopes 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-AstroZap Baader Solar Filter For Orion ED 80 / 100 and 104 mm-114 mm OD Telescopes

    $73.95 Original price was: $73.95.$44.37Current price is: $44.37.
    Sale!
    Telescope-Solar Filters-AstroZap Baader Solar Filter for 7″ Mak / 8″ SCT and 225 mm-235 mm OD TelescopesTelescope-Solar Filters-AstroZap Baader Solar Filter for 7″ Mak / 8″ SCT and 225 mm-235 mm OD Telescopes 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-AstroZap Baader Solar Filter for 7″ Mak / 8″ SCT and 225 mm-235 mm OD Telescopes

    $119.05 Original price was: $119.05.$65.48Current price is: $65.48.
    Sale!
    Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 120 mm – 130 mm OD TelescopesTelescope-Solar Filters-AstroZap Visual Baader Solar Filter for 120 mm – 130 mm OD Telescopes 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 120 mm – 130 mm OD Telescopes

    $69.96 Original price was: $69.96.$41.98Current price is: $41.98.
    Sale!
    Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 145 mm – 155 mm OD TelescopesTelescope-Solar Filters-AstroZap Visual Baader Solar Filter for 145 mm – 155 mm OD Telescopes 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 145 mm – 155 mm OD Telescopes

    $69.96 Original price was: $69.96.$41.98Current price is: $41.98.
    Sale!
    Telescope-Solar Filters-AstroZap Baader Solar Filter for ETX 90 and 90 mm – 100 mm TelescopesTelescope-Solar Filters-AstroZap Baader Solar Filter for ETX 90 and 90 mm – 100 mm Telescopes 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-AstroZap Baader Solar Filter for ETX 90 and 90 mm – 100 mm Telescopes

    $73.95 Original price was: $73.95.$44.37Current price is: $44.37.
    Sale!
    Telescope-Solar Filters-Apertura AD6 Solar FilterTelescope-Solar Filters-Apertura AD6 Solar Filter 2
    Quick View

    Solar Filters

    Telescope-Solar Filters-Apertura AD6 Solar Filter

    $54.95 Original price was: $54.95.$32.97Current price is: $32.97.
    • About Us
    • Contact us
    • Delivery Policy
    • Refund Policy
    • Privacy Policy
    Copyright 2026 © Telescope Home
    • Telescopes
      • Astrographs
      • Catadioptric Telescopes
      • DobsonianTelescopes
      • Reflecting Telescopes
      • Refracting Telescopes
      • Smart Telescopes
      • Solar Telescopes
      • Telescope Bundles
    • Astro Photography
      • Accessories
      • Cameras
      • Mounts
      • WiFi Camera Control
    • Smart Telescopes
    • Used Telescopes
    • Computerized Telescopes
    • Telescope Accessories
      • Accessory Kits & Bundles
      • Cases & Covers & Dobsonian Shrouds
      • Cleaning & Maintenance
      • Collimation Tools
      • Dew & Moisture Protection
      • Equatorial Mounts
      • Field Flatteners
      • Focusers
      • Learning & Gifts & Fun
      • Mounting Hardware
      • Observation Accessories
      • Power & Cables
      • Reducers & Correctors
      • Replacement Parts
      • Solar Filters
      • Telescope Adapters
    • Binoculars & Microscopes
      • Binocular Accessories
      • Compound Microscopes
      • Digital Microscopes
      • Hand Held Microscopes
      • Microscope lmagers
      • Microscope Slides
      • Monoculars
      • Porro Prism Binoculars
      • Roof Prism Binoculars
      • Spotting Scopes
      • Stereo Microscopes
    • Shopping Guide

    Login

    Lost your password?