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Focuser Type
Vixen Optics Dual Speed Focuser
B&H # VIDSF MFR # ES37227
$20699
In Stock
Celestron Focus Motor v2 for SCT and EdgeHD OTAs
B&H # CEFMSCTEDHD MFR # 94155-A
Key Features
- Precise Focusing with Zero Backlash
- Servo Motor with Microprocessor
- Low, Medium, High Focus Speeds
- Use with Mount's Hand Controller
$20995
In Stock
Explore Scientific Extension Tube for Select Rack & Pinion Focusers (0.5")
B&H # EXESRPEXT1 MFR # ESRPEXT1
Available in other Styles, Configurations & Kits
$2999
In Stock
Celestron Focuser Retrofit Kit for RASA 11
B&H # CEFRKIT MFR # 94255
$1695
In Stock
Konus Electric Focuser for the #1735 & #1739 Telescopes
B&H # KOEFKS700 MFR # 1090
$1995
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
$2700
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
$2700
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
In Stock
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
In Stock
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
In Stock
Explore Scientific Extension Tube for Select Rack & Pinion Focusers (1.5")
B&H # EXESRPEXT2 MFR # ESRPEXT2
Available in other Styles, Configurations & Kits
$3499
Temporarily Out of Stock
Alpine Astronomical Steeldrive II Controller Holder for 3" Dovetail
B&H # ALSTLHLDR MFR # STL-HLDR
Available in other Styles, Configurations & Kits
$4400
Special Order
Expected availability: 2-4 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
Available in other Styles, Configurations & Kits
$4900
In Stock
Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Sky-Watcher Refractors with M90x1.5 Threads
B&H # ALBDSAD905 MFR # BDS-AD905
Available in other Styles, Configurations & Kits
$5100
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
$5400
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
Available in other Styles, Configurations & Kits
$5500
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
$5557
In Stock
Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Vixen Refractors with M88x1 Threads
B&H # ALBDSAD88 MFR # BDS-AD88
Available in other Styles, Configurations & Kits
$11900
Special Order
Expected availability: 2-4 weeks
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
Back-Ordered - Special Order
Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Intes Micro with D66 Flange
B&H # ALBDSINT MFR # BDS-INT
Available in other Styles, Configurations & Kits
$13900
Special Order
Expected availability: 2-4 weeks
Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Refractors with M93x1 Threads
B&H # ALBDSAD93 MFR # BDS-AD93
Available in other Styles, Configurations & Kits
$14700
Special Order
Expected availability: 2-4 weeks
Alpine Astronomical Baader Diamond Steeltrack Focuser Adapter for Meade SCTs with 4" Threads
B&H # ALBDSMDE MFR # BDS-MDE
Available in other Styles, Configurations & Kits
$19700
Special Order
Expected availability: 2-4 weeks
iOptron iEAF Electronic Automatic Focuser
B&H # IO8453 MFR # 8453
Key Features
- For Crayford or Rack-and-Pinion Focusers
- Stepper Motor
- Precise Focusing with Zero Backlash
- Quiet-Running Motor Drive
$19800
Temporarily Out of Stock
Expected availability: 2-4 weeks
Explore Scientific Focuser for AR Series Telescopes (2")
B&H # EXFOCDAR00 MFR # FOCDAR-00
Key Features
- Tension Adjustment
- Micro- and Rough-Focus Knobs
- 1.25" Compression Ring Eyepiece Adapter
$19999
Special Order
Expected availability: 7-14 business days
Lumicon Low-Profile 1.25" Focuser
B&H # LULP125FQ MFR # LH2020
Key Features
- For Newtonian Telescopes
- Maximizes Back-Focus Space
- Square 3.5" Base, 2.75" Hole Spacing
$22950
Special Order
Expected availability: 2-4 weeks
Lumicon Low-Profile 1.25" Focuser with 3 x 3" Base
B&H # LULP125F MFR # LH2000
Key Features
- For Newtonian Telescopes
- Maximizes Back-Focus Space
- Square 3.0" Base, 2.25" Hole Spacing
$22950
Special Order
Expected availability: 2-4 weeks
Explore Scientific APO EDT Series Rack & Pinion Focuser (2")
B&H # EXFOCEDAPORP MFR # FOCEDAPO-RP
Key Features
- Precise 10:1 Dual Focusing
- 2" Eyepiece Holder with 1.25" Reducer
- Etched Scale for Repeatability
- Compression Ring with Three Thumbscrews
$22999
Back-Ordered
iOptron Electric eFocuser for Photron Ritchey-Chrétien Telescopes
B&H # IO8451 MFR # 8451
Key Features
- Stepper Motor with Synchronous Belt
- Precise Focusing with Zero Backlash
- Quiet Running Motor Drive
- Low, Medium, High Speeds
Available in other Styles, Configurations & Kits
$23800
Special Order
Expected availability: 7-14 business days
Tele Vue Focusmaster Driver 10:1
B&H # TEFMD101 MFR # FDF-2004
Key Features
- Vibration-Free Motor-Drive
- For the TVNP-127is Telescope
- Two-Button Hand-Controller
- Variable-Speed Knob
$24000
Special Order
Expected availability: 2-4 weeks
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