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Results for “Focusers”

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ZWO 1.25" Helical Focuser for Off-Axis Guider

ZWO 1.25" Helical Focuser for Off-Axis Guider

BH # ZWOHF125 MFR # ZWO-HF125
1 Review
Key Features
  • Use with ZWO OAG & Mini Camera
  • 0.1mm Adjustment Accuracy
  • M42 x 0.75 Threads
  • 6mm Focusing Stroke
$6900
In Stock
No Store Display
Free 2-Day Shipping
Explore Scientific ES-FOC3 3" Self-Centering Focuser for 152/165mm Refractor Telescope

Explore Scientific ES-FOC3 3" Self-Centering Focuser for 152/165mm Refractor Telescope

BH # EXESFOC3 MFR # ES-FOC3
Key Features
  • Stable Base for Astrophotography
  • Uniform, Self-Centering Compression
  • 17-Pound Lifting Capacity
  • 9:1 Helical Rack-and-Pinion Focuser
Available in other Styles, Configurations & Kits
$59999
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Explore Scientific ES-FOC3 3" Self-Centering Focuser for FCD100 White Tube ED127 Telescope

BH # EXF3BC10127T MFR # ES-FOC3-BC100127T
Key Features
  • Stable Base for Astrophotography
  • Uniform, Self-Centering Compression
  • 17-Pound Lifting Capacity
  • 9:1 Helical Rack-and-Pinion Focuser
Available in other Styles, Configurations & Kits
$74999
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Explore Scientific ES-FOC3 3" Self-Centering Focuser for FCD100 127CF Telescope

BH # EXF3BC100127 MFR # ES-FOC3-BC100127
Key Features
  • Stable Base for Astrophotography
  • Uniform, Self-Centering Compression
  • 17-Pound Lifting Capacity
  • 9:1 Helical Rack-and-Pinion Focuser
Available in other Styles, Configurations & Kits
$74999
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for SCTs

BH # ALBDSSC MFR # BDS-SC
2 Reviews
Key Features
  • Holds up to 13 Pounds
  • For Schmidt-Cassegrain OTAs
  • 2" Eyepiece Holder
  • Zero Backlash or Flex
Available in other Styles, Configurations & Kits
$54300
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors

BH # ALBDSRT MFR # BDS-RT
Key Features
  • Holds up to 13 Pounds
  • For Refractor OTAs
  • 2" Eyepiece Holder
  • Zero Backlash or Flex
Available in other Styles, Configurations & Kits
$53700
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Newtonian Reflectors

BH # ALBDSNT MFR # BDS-NT
Key Features
  • Holds up to 13 Pounds
  • For Newtonian Reflector OTAs
  • 2" Eyepiece Holder
  • Zero Backlash or Flex
Available in other Styles, Configurations & Kits
$52400
In Stock
No Store Display
Free 2-Day Shipping

Explore Scientific Extension Tube for Select Rack & Pinion Focusers (1.5")

BH # EXESRPEXT2 MFR # ESRPEXT2
1 Review
Key Features
  • Extends Focal Plane
See All Details
Available in other Styles, Configurations & Kits
$3499
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Shipping for this Item

Explore Scientific Extension Tube for Select Rack & Pinion Focusers (0.5")

BH # EXESRPEXT1 MFR # ESRPEXT1
3 Reviews
Key Features
  • Extends Focal Plane
See All Details
Available in other Styles, Configurations & Kits
$2999
In Stock
No Store Display
Free Shipping for this Item
Top Seller

ZWO EAFN Electronic Automatic Focuser

BH # ZWOEAFN MFR # ZWO EAFN
4 Reviews
Key Features
  • Compatible with Many Imaging OTAs
  • Universal USB-C Interface
  • Micron-Level Precision Focusing
  • Maximum Load Capacity: 11 lb
$19900
In Stock
No Store Display
Free 2-Day Shipping

ZWO EAF Pro Electronic Automatic Focuser

BH # ZWOEAFPRO MFR # ZWO EAF PRO
2 Reviews
Key Features
  • Compatible with Many Imaging OTAs
  • Universal USB-C Interface
  • Micron-Level Precision Focusing
  • Focus Adjustment Knob
$29900
In Stock
No Store Display
Free 2-Day Shipping

Legacy Pro 10x Grain Focuser

BH # LE620210 MFR # 620210
6 Reviews
Key Features
  • Helps Achieve Focus for Enlargements
  • 10x Magnification
  • Adjustable Diopter
  • Aluminum Alloy Body with Textured Paint
See All Details
$7495
In Stock
No Store Display
Free 2-Day Shipping
Top Seller

Tele Vue 2" Extension Tube for 2" Focusers

BH # TE2ET MFR # X2C-0008
3 Reviews
Key Features
  • Made in the USA
See All Details
$7800
In Stock
No Store Display
Free 2-Day Shipping

Tele Vue 3.5" Extension Tube for 2" Focusers

BH # TE3ET MFR # X3C-0009
7 Reviews
Key Features
  • Made in the USA
See All Details
$7800
In Stock
No Store Display
Free 2-Day Shipping

Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Sky-Watcher Refractors with M90x1 Threads

BH # ALBDSAD90 MFR # BDS-AD90
Key Features
  • Adapts Focuser to Optical Tube
  • Requires Focuser for Refractors
See All Details
Available in other Styles, Configurations & Kits
$6300
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

ZWO EAF-HC Hand Controller for 5V Advanced Electronic Auto Focuser

BH # ZWOEAFHC MFR # CP.05.0001.0043
1 Review
Key Features
  • Up/down Buttons for Focusing
  • Slow/Fast Gear Control
  • Sturdy ABS Construction
See All Details
$3990
In Stock
No Store Display

Alpine Astronomical Baader 2" ClickLock Eyepiece Clamp for Takahashi Focusers with M72 Threads

BH # ALCLTAK2 MFR # CLTAK-2
1 Review
Key Features
  • Replaces Stock Compression Holders
  • 3-Point Clamp for Accurate Centering
  • Ideal for Imagers and Visual Use
See All Details
Available in other Styles, Configurations & Kits
$13400
In Stock
No Store Display
Free 2-Day Shipping

Pegasus Astro FocusCube 3 Focuser Motor with Universal L-Bracket

BH # PEFC3UNIV MFR # PEG-FC3-UNIV
Key Features
  • Low-Backlash Geared Stepper Motor
  • Auto-Adjusts for Temperature Changes
  • Universal Mounting Bracket
  • Power & Data via USB-C
$25990
In Stock
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for Celestron C8 & C9.25

BH # STSFC8925 MFR # SF-C8925
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$12500
Special Order
No Store Display
Free Standard Shipping

Starfield Astroasis Focuser Adapter for Celestron C11 & C14

BH # STSFC1114 MFR # SF-C1114
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$12500
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Starfield Astroasis Universal Focuser Adapter Kit

BH # STSFAOFUNIV MFR # SF-AOF-UNIV
See All Details
$5200
Special Order
Expected availability: 2-4 Weeks
No Store Display
Free Standard Shipping

Starfield Astroasis Focuser Adapter for 34mm Collars

BH # STSFAOF34 MFR # SF-AOF-34
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for 33mm Collars

BH # STSFAOF33 MFR # SF-AOF-33
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for 32mm Collars

BH # STSFAOF32 MFR # SF-AOF-32
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for 20mm Collars

BH # STSFAOF30 MFR # SF-AOF-30
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for 29mm Collars

BH # STSFAOF29 MFR # SF-AOF-29
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Starfield Astroasis Focuser Adapter for 28mm Collars

BH # STSFAOF28 MFR # SF-AOF-28
Key Features
  • Allows Use of Astroasis Electric Focuser
See All Details
Available in other Styles, Configurations & Kits
$3900
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply

Alpine Astronomical Baader 2-to-1.25" Reducer for NT Steeltrack Focusers

BH # ALBDSRDCR MFR # BDS-RDCR
Key Features
  • Allows the Use of Smaller Eyepieces
  • Thumbscrew with Brass Compression Ring
  • Short 4.5mm Optical Height
  • Standard 2" Filter Holder
See All Details
$3300
Special Order
Expected availability: 2-4 Weeks
No Store Display
Shipping Charges Apply
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