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Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo
For high-capacity equatorial imaging, the Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo combines a 304mm ACF system with 2438mm focal length and StarLock-assisted LX850 control.
- 304mm aperture provides 0.38-arcsecond resolution
- 2438mm focal length uses f/8 optics
- LX850 mount provides computerized equatorial tracking
- StarLock integrated guiding is included
- 25mm eyepiece and tripod included
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Description
Heavy-capacity equatorial astrophotography is the focus of the Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo, a 305 mm Advanced Coma-Free catadioptric telescope with a 2440 mm focal length and listed f/8 optical ratio. Its LX850 German equatorial mount provides StarLock autoguiding, high-torque tracking, AutoStar II control, primary mirror lock, microfocuser, UHTC optics, 8×50 finder, 26 mm eyepiece, 2-inch diagonal, heavy tripod, and counterweight system.
The ACF optical design uses a hyperbolic secondary and aspheric corrector, while the 305 mm tube and LX850 mount require careful balancing, polar alignment, power management, thermal preparation, cable routing, and safe transport. The StarLock system assists guiding within the supplied platform, while final image quality and tracking results depend on the selected camera, filters, software, and complete imaging workflow.
Key Features of Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo
This complete ACF imaging system combines a 305 mm aperture with a 2440 mm focal length, f/8 optical ratio, UHTC coatings, LX850 equatorial control, StarLock guiding, primary mirror lock, microfocuser, AutoStar II, finder, eyepiece, diagonal, tripod, and counterweights.
- 305 mm Advanced Coma-Free catadioptric system
- 2440 mm focal length with listed f/8 optical ratio
- LX850 computerized German equatorial mount
- Integrated StarLock autoguiding system
- UHTC high-transmission optical coatings
- Primary mirror manual lock and zero-shift microfocuser
- 8×50 finder and 26 mm HD-60 eyepiece
- 2-inch diagonal, tripod, controller, and counterweight system
High-Load Automated Astrophotography
The supplied application focuses on long-exposure planetary and deep-sky imaging with StarLock-assisted tracking, while the 305 mm aperture and 2440 mm focal length support the listed high-resolution configuration and the LX850 mount provides the heavy equatorial platform needed for the camera, filters, guide equipment, and other selected accessories.
Why Choose Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo
The LX850 12-inch configuration is relevant when a substantial ACF aperture, StarLock guiding, primary mirror locking, microfine focusing, AutoStar II control, high-capacity equatorial support, 2-inch visual accessories, and a complete tripod-mounted imaging platform are needed for demanding planetary or deep-sky work.
- 305 mm aperture with the listed f/8 ACF configuration
- LX850 mount with StarLock guiding and high-torque tracking
- Eyepiece, finder, diagonal, tripod, counterweights, controller, and mount included
Meade 1-Year Limited Warranty
The supplied product information lists a 1-year limited warranty for this telescope system, and the applicable US warranty terms, StarLock coverage, mount electronics coverage, primary mirror lock coverage, registration requirements, power conditions, and authorized service process should be confirmed through the current Meade seller or distributor before purchase.
Meade ACF-SC 305/2440 UHTC Starlock LX850 GoTo Specs
| Brand | Meade Instruments |
| Full Model Code | Meade LX850-ACF 12-inch f/8 Advanced Coma-Free Telescope System with StarLock (1208-85-01) |
| Country of Origin | Mexico |
| Optical Design | Advanced Coma-Free (ACF) Catadioptric Catseye Structure (Hyperbolic Secondary / Aspheric Corrector) |
| Aperture | 304 mm (11.97 inches) |
| Focal Length | 2438 mm |
| Focal Ratio | f/8 |
| Optical Coatings | Ultra-High Transmission Coatings (UHTC) Matrix for Enhanced Light Throughput |
| Glass Material | Premium Pyrex Glass Primary Mirror Substrate with Water-White Glass Corrector Plate |
| Secondary Mirror Obstruction | 104 mm |
| Secondary Mirror Obstruction by Diameter | 34.2% |
| Secondary Mirror Obstruction by Area | 11.7% |
| Resolving Power | 0.38 Arcseconds (Dawes), 0.45 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 15.0 |
| Highest Useful Magnification | 600x |
| Lowest Useful Magnification | 43x |
| Optical Tube Material | Powder-Coated Aluminum Cylindrical Shell with Machined Metal Cast Cell Rings |
| Focuser Style & Mechanism | Internal Primary Mirror Focusing Mechanism with Zero-Shift Precision Slide Baffle Track and Included SC Threaded Rear Focuser |
| Mirror Lock Mechanism | Yes (Equipped with Primary Mirror Manual Clamping Lock Bolt on Rear Cell) |
| Optical Tube Dimensions | 350 mm x 640 mm |
| Optical Tube Weight | 16.20 kg (35.71 lbs) - OTA Only / 68.20 kg (150.36 lbs) - Total System |
| Mount Attachment Type | Heavy-Duty LX850 German Equatorial Mount via Integrated D-Plate Cradle Platform |
| Finder Scope Specification | 8x50 Achromatic Optical Finder Scope with Crosshair Layout and Dual-Screw Alignment Bracket |
| Included Accessories | 12-inch f/8 ACF OTA, LX850 German Equatorial Mount, StarLock Auto-Guiding Assembly, AutoStar II Hand Controller, Heavy-Duty Adjustable Steel Tripod, 2-inch Series 5000 Dielectric Diagonal, Series 5000 2-inch HD-60 25mm Eyepiece (98x), Counterweight System |
| Standard Warranty | 1-Year Limited Warranty |
| Application | Research-grade equatorial tracking and long-exposure astrophotography capture, utilizing high-capacity internal worm gears and real-time StarLock body tracking adjustments to eliminate tracking sub-arc errors. |
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