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Meade ACF-SC 254/2032 UHTC OTA
With a 254mm aperture and 2032mm focal length, the Meade ACF-SC 254/2032 UHTC OTA provides an ACF optical tube with primary mirror locking and Losmandy-style mounting.
- 254mm aperture provides 0.45-arcsecond resolution
- 2032mm focal length uses f/8 optics
- Primary mirror lock supports tracking stability
- Losmandy rail and 26mm eyepiece included
- 8×50 finder and diagonal included
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Description
Standalone ACF imaging integration begins with the Meade ACF-SC 254/2032 UHTC OTA, a 10-inch Advanced Coma-Free optical tube with a 2032 mm focal length and listed f/8 optical ratio. Its UHTC coatings, Pyrex primary mirror substrate, primary mirror lock, internal zero-shift focusing, 8×50 finder, 26 mm eyepiece, diagonal, Losmandy-style dovetail, visual back, and aluminum shell provide a substantial optical platform for a separately selected mount and imaging system.
The OTA is supplied without a complete equatorial or alt-azimuth mount, tripod, counterweights, power system, or computerized tracking, so the final configuration requires a suitable high-capacity platform and compatible accessories. The ACF optical system is intended for planetary and deep-sky observation or supported astrophotography, while focus stability, balance, camera spacing, thermal preparation, and tracking depend on the completed installation.
Key Features of Meade ACF-SC 254/2032 UHTC OTA
This standalone Advanced Coma-Free optical tube combines a 254 mm aperture with a 2032 mm focal length, f/8 optical ratio, UHTC coatings, Pyrex mirror substrate, primary mirror lock, internal precision focusing, 8×50 finder, 26 mm eyepiece, diagonal, visual back, and Losmandy-style dovetail.
- 254 mm Advanced Coma-Free catadioptric system
- 2032 mm focal length with listed f/8 optical ratio
- Ultra-High Transmission Coatings
- Pyrex primary mirror substrate
- Primary mirror manual locking bolt
- Internal zero-shift focus mechanism
- 8×50 finder and 26 mm eyepiece
- Diagonal, visual back, and Losmandy-style rail
Standalone ACF Deep-Sky Configuration
The supplied application focuses on planetary observation, lunar detail, deep-sky viewing, and supported astrophotography using a standalone 10-inch ACF optical tube, while final mount stability, payload capacity, tracking, camera compatibility, focus spacing, power, and guiding depend on the separately selected telescope platform and accessories.
Why Choose Meade ACF-SC 254/2032 UHTC OTA
This OTA is relevant when a custom system needs a large 10-inch ACF optical tube with UHTC coatings, long focal length, primary mirror lock, internal precision focusing, finder, eyepiece, diagonal, visual back, and Losmandy mounting for a separately selected heavy-duty equatorial or observatory platform.
- 254 mm aperture with ACF optical design and UHTC coatings
- Primary mirror lock for the supplied focus-stability configuration
- Finder, eyepiece, diagonal, visual back, and Losmandy rail included
Meade 1-Year Limited Warranty
The supplied product information lists a 1-year limited warranty for this optical tube assembly, and the applicable US warranty terms, optical coverage, mirror-lock coverage, focusing mechanism coverage, finder and accessory coverage, registration requirements, and authorized service process should be confirmed before integrating the OTA with a separate tracking system.
Meade ACF-SC 254/2032 UHTC OTA Specs
| Brand | Meade Instruments |
| Full Model Code | Meade Advanced Coma-Free 10-inch f/8 Optical Tube Assembly with UHTC (1008-60-01OTA) |
| Country of Origin | Mexico |
| Optical Design | Advanced Coma-Free (ACF) Catadioptric Catseye Structure (Hyperbolic Secondary / Aspheric Corrector) |
| Aperture | 254 mm (10.0 inches) |
| Focal Length | 2032 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 | 94 mm |
| Secondary Mirror Obstruction by Diameter | 37.0% |
| Secondary Mirror Obstruction by Area | 13.69% |
| Resolving Power | 0.45 Arcseconds (Dawes), 0.54 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 14.5 |
| Highest Useful Magnification | 500x |
| Lowest Useful Magnification | 36x |
| 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 |
| Mirror Lock Mechanism | Yes (Equipped with Primary Mirror Manual Clamping Lock Bolt on Rear Cell) |
| Optical Tube Dimensions | 300 mm x 560 mm |
| Optical Tube Weight | 14.10 kg (31.08 lbs) |
| Mount Attachment Type | Heavy-Duty Losmandy-Style D-Plate Platform Rail |
| Finder Scope Specification | 8x50 Achromatic Optical Finder Scope with Crosshair Layout and Dual-Screw Alignment Bracket |
| Included Accessories | 10-inch f/8 ACF OTA, Losmandy Dovetail Rail, 8x50 Finder Scope, 1.25-inch Eyepiece Holder Back, 90-Degree Mirror Diagonal (1.25-inch), Super Plossl 26mm Eyepiece (78x) |
| Standard Warranty | 1-Year Limited Warranty |
| Application | Custom pairing with high-load equatorial tracking platforms for flat-field astrophotography, leveraging an f/8 imaging cone to reduce processing exposure times compared to standard f/10 catadioptric options. |
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