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HomeOpticsTelescopesAccessoriesTelescope Focusers

Telescope Focusers

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Celestron Focus Motor v2 for SCT and EdgeHD OTAs

Celestron Focus Motor v2 for SCT and EdgeHD OTAs

B&H # CEFMSCTEDHD MFR # 94155-A
10 Reviews

Key Features

  • Precise Focusing with Zero Backlash
  • Servo Motor with Microprocessor
  • Low, Medium, High Focus Speeds
  • Use with Mount's Hand Controller
$21995
6 Mos. Promo Financing*
In Stock
Explore Scientific Comet Hunter Crayford Style Focuser (2")

Explore Scientific Comet Hunter Crayford Style Focuser (2")

B&H # EXFOCCMTHTR0 MFR # FOCCMTHTR-00

Key Features

  • Tension Adjustment
  • Micro- and Rough-Focus Knobs
  • 1.25" Compression Ring Eyepiece Adapter
$11999
Special Order
Expected availability: 7-14 business days

JMI Telescopes MOTOFOCUS Electric Telescope Focusing Motor

B&H # JMMFNEX6 MFR # MFNEX6
12 Reviews

Key Features

  • For Celestron NexStar 5 SE, 6 SE, & 8 SE
  • For Celestron C6-SGT
  • Made in the USA
$19895
6 Mos. Promo Financing*
In Stock

Explore Scientific Extension Tube for Select Rack & Pinion Focusers (2")

B&H # EXESRPEXT2 MFR # ESRPEXT2
1 Review

Key Features

  • Extends Focal Plane
$3499
In Stock

Celestron Focuser Retrofit Kit for RASA 11

B&H # CEFRKIT MFR # 94255

Key Features

  • Enables the Use of a Focus Motor
  • Hands- and Vibration-Free Focusing
$1995
In Stock

Explore Scientific Extension Tube for Select Rack & Pinion Focusers (1")

B&H # EXESRPEXT1 MFR # ESRPEXT1
1 Review

Key Features

  • Extends Focal Plane
$2999
In Stock

Explore Scientific Crayford Style Focuser for APO EDT Series Telescopes (2")

B&H # EXFOCEDCRBN0 MFR # FOCEDCRBN-01

Key Features

  • Tension Adjustment
  • Micro- and Rough-Focus Knobs
  • 1.25" Compression Ring Eyepiece Adapter
$11999
Special Order
Expected availability: 7-14 business days

JMI Telescopes MOTOFOCUS Electric Telescope Focusing Motor

B&H # JMMFC11 MFR # MFC11

Key Features

  • For Celestron C11 & C14
  • For Celestron CG-11 & CG-14
  • For Celestron CM-1100 & CM-1400
  • For Celestron Ultima 11
$19895
6 Mos. Promo Financing*
In Stock

JMI Telescopes EV-2C Focuser for Cassegrain Telescope

B&H # JMEV2C MFR # EV-2C
$26350
6 Mos. Promo Financing*
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors

B&H # 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
$39900
6 Mos. Promo Financing*
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Temperature Sensor for Steeldrive II Motor Focuser

B&H # ALBDSTMP MFR # BDS-TMP

Key Features

  • Designed for Steeldrive II Motor Focuser
  • Monitor Gear Temperatures
  • Supports Control of Dew Shield Heating
  • 10' Cable Accommodates Almost Any OTA
$2400
Special Order
Expected availability: 2-4 weeks

JMI Telescopes Focuser Backup Plate-Curved

B&H # JMADPTBUPC MFR # ADPTBUPC
$2495
Special Order
Expected availability: 2-4 weeks

JMI Telescopes Focuser Backup Plate-Flat

B&H # JMADPTBUPF MFR # ADPTBUPF
$2495
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Temperature Sensor for Steeldrive II with Cable

B&H # ALSTLTMP MFR # STL-TMP
Available in other Styles, Configurations & Kits
$2600
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Flat Temperature Sensor for Steeldrive II with 1m Cable

B&H # ALSTLTMPFLT MFR # STL-TMPFLT
Available in other Styles, Configurations & Kits
$2600
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Mini DIN / Cinch Adapter Cable for Steeldrive II Motor Focuser

B&H # ALBDSHTR MFR # BDS-HTR

Key Features

  • Male 8-Pin Mini DIN Connector
  • Female RCA "Cinch" Phono Plug
  • Enables Precise Temperature Control
  • Use with Dew Shield Heaters and Filters
$2900
Special Order
Expected availability: 2-4 weeks

Konus Electric Focuser for the #1735 & #1739 Telescopes

B&H # KOEFKS700 MFR # 1090
1 Review
$2900
Special Order
Expected availability: 2-4 weeks

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

B&H # 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
$2900
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Diamond Steeltrack T-2 Adapter

B&H # ALBDST2 MFR # BDS-T2

Key Features

  • Replaces Stock Eyepiece Holder
  • T-2 Threads for Imaging Accessories
  • Standard 2" Eyepeice Filter Threads
$3200
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Diamond Steeltrack M48 Adapter

B&H # ALBDSM48 MFR # BDS-M48

Key Features

  • Replaces Stock 2" Holder
  • Provides Male M48 Mounting Threads
  • Fits Baader Diamond Steeltrack Focusers
Available in other Styles, Configurations & Kits
$3300
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Mini DIN/RCA Adapter Cable for Heating Strips (Steeldrive II)

B&H # ALSTLHTR MFR # STL-HTR
$3400
Special Order
Expected availability: 2-4 weeks

JMI Telescopes Drawtube for EV Telescope Focuser (3")

B&H # JMEVDT30 MFR # EV-DT30
$3900
In Stock

Alpine Astronomical Steeldrive II Controller Holder for 3" Dovetail

B&H # ALSTLHLDR MFR # STL-HLDR
Available in other Styles, Configurations & Kits
$4200
Special Order
Expected availability: 2-4 weeks

JMI Telescopes Motofocus HUSC Hand Unit Cable Adapter Set

B&H # JMHUSCADP MFR # HUSC-ADAPTER

Key Features

  • Converts 3.5mm Plug to RJ11 Phone Plug
  • Easy Cable Extension with Phone Cord
$4246
More on the Way
Expected availability: 3-5 weeks

Alpine Astronomical Baader Diamond Steeltrack M68 Adapter

B&H # ALBDSM68 MFR # BDS-M68

Key Features

  • Replaces Stock 2" Holder
  • Provides Male M68 Mounting Threads
  • Fits Baader Diamond Steeltrack Focusers
Available in other Styles, Configurations & Kits
$4600
Special Order
Expected availability: 2-4 weeks

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

B&H # ALBDSAD90 MFR # BDS-AD90

Key Features

  • Adapts Focuser to Optical Tube
  • Requires Focuser for Refractors
Available in other Styles, Configurations & Kits
$4600
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Sky-Watcher Refractors with M90x1.5 Threads

B&H # ALBDSAD905 MFR # BDS-AD905

Key Features

  • Adapts Focuser to Optical Tube
  • Requires Focuser for Refractors
Available in other Styles, Configurations & Kits
$4800
Special Order
Expected availability: 2-4 weeks

JMI Telescopes Drawtube for EV Telescope Focuser (5.75")

B&H # JMEVDT57 MFR # EV-DT57
$5000
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Flat Base Adapter for BDS-NT Focuser

B&H # ALBDSFLAT MFR # BDS-FLAT

Key Features

  • For Newtonian Diamond Steeltrack Focuser
  • Leveling Screws for Optical Alignment
$5100
Special Order
Expected availability: 2-4 weeks

Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Refractors with 97mm Threads

B&H # ALBDSAD97 MFR # BDS-AD97

Key Features

  • Adapts Focuser to Optical Tube
  • Requires Focuser for Refractors
Available in other Styles, Configurations & Kits
$6500
Special Order
Expected availability: 2-4 weeks

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