Omegon Pro APO AP 66/400 ED SkyGuider Pro
Omegon Pro APO AP 66/400 ED SkyGuider Pro
In Stock
Description
Capture mobile wide-field night sky astrophotography with the Omegon Pro APO AP 66/400 ED SkyGuider Pro complete tracking refractor package. Designed in Germany, this f/6.1 apochromatic system features a 66mm (2.60 inches) aperture and a 400mm focal length. The Omegon Pro APO AP 66/400 delivers 1.76 arcsecond Dawes resolving power and reaches magnitude 10.9 for traveling astrophotographers.
The Omegon Pro APO AP 66/400 ED SkyGuider Pro utilizes a two-element air-spaced doublet objective with an Ohara FPL51 ED glass core and SMC ultra-wideband multi-layer coatings. Its machined aluminum chassis includes a retractable dew shield and a 1.75-inch dual-speed Crayford focuser with 1:10 micro-reduction. Paired with an iOptron SkyGuider Pro equatorial tracking head, built-in rechargeable battery, and altazimuth base wedge, the total tracking setup weighs 4.20 kg (9.26 lbs).
Key Features of Omegon Pro APO AP 66/400 ED SkyGuider Pro
Built for portable deep-space astrophotography, this Omegon Pro APO 66/400 ED refractor package combines color-free doublet optics with a motorized equatorial tracking mount. Its illuminated AccuAlign polar scope and rechargeable battery provide effortless field alignment under remote dark skies.
- 66mm (2.60 inches) aperture with 400mm focal length and fast f/6.1 optical speed
- Two-element air-spaced doublet objective featuring Ohara FPL51 ED glass
- SMC ultra-wideband multi-layer anti-reflective dispersion matrix coating
- 1.75-inch dual-speed Crayford friction drive focuser with 1:10 micro-reduction
- iOptron SkyGuider Pro motorized tracking mount head with internal rechargeable battery
- Altazimuth base wedge and Dec mounting bracket with counterweight shaft and mass
- Integrated AccuAlign illuminated optical polar scope for fast polar alignment
- Standard Vixen-style dovetail bar and padded soft carrying bag included
Ohara FPL51 ED Doublet Optics & Precision Focuser
The Ohara FPL51 optical glass element suppresses chromatic aberration across wide starry fields. With zero central obstruction (0.0%), this portable Omegon Pro APO refractor delivers crisp, high-contrast imagery across magnifications from 9x up to 132x.
iOptron SkyGuider Pro Mount & AccuAlign Polar Scope
Long-exposure wide-field imaging requires steady celestial tracking in an ultra-portable format. The Omegon Pro APO AP 66/400 connects directly to the iOptron SkyGuider Pro tracking head, which features an illuminated AccuAlign polar scope for quick polar orientation. Supported by an internal rechargeable battery, it provides hours of cord-free tracking in remote field locations.
- Motorized iOptron SkyGuider Pro equatorial tracking head with internal battery
- Integrated AccuAlign illuminated polar scope for precise celestial alignment
- Padded soft carrying bag for safe equipment transport on field trips
Omegon Pro APO AP 66/400 SkyGuider Pro Warranty
The Omegon Pro APO AP 66/400 ED SkyGuider Pro package includes a 2-year limited warranty against material and manufacturing defects. The factory shipment contains the 66mm ED APO OTA, iOptron SkyGuider Pro tracking head, rechargeable battery module, altazimuth wedge, Dec bracket with counterweight, Vixen bar, and soft carrying bag.
Omegon Pro APO AP 66/400 ED SkyGuider Pro Specs
| Brand | Omegon Pro |
| Full Model Code | Omegon Pro APO AP 66/400 ED Refractor Package with iOptron SkyGuider Pro Tracking Head Set |
| Country of Origin | Germany (Designed) / China (Manufactured) |
| Optical Design | Apochromatic Refractor (Two-Element Doublet Air-Spaced ED Lens Layout) |
| Aperture | 66 mm (2.60 inches) |
| Focal Length | 400 mm |
| Focal Ratio | f/6.1 |
| Optical Coatings | SMC Ultra-Wideband Multi-Layer Anti-Reflective Dispersion Matrix Film System |
| Glass Material | Premium Ohara FPL51 Extra-Low Dispersion Optical Glass Core Element |
| Secondary Mirror Obstruction | 0 mm (Refractor System / Free Aperture Profile) |
| Secondary Mirror Obstruction by Diameter | 0.0% |
| Secondary Mirror Obstruction by Area | 0.00% |
| Resolving Power | 1.76 Arcseconds (Dawes), 2.09 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 10.9 |
| Highest Useful Magnification | 132x |
| Lowest Useful Magnification | 9x |
| Optical Tube Material | Machined Aerospace-Grade Aluminum Body Shell with Retractable Dew Shield Housing |
| Focuser Style & Mechanism | 1.75-inch Dual-Speed Crayford Friction Drive Focuser with 1:10 Precision Micro-Focus Reduction |
| Mirror Lock Mechanism | No (Refractor Mechanical Focuser Layout Inapplicable) |
| Optical Tube Dimensions | 80 mm x 300 mm |
| Optical Tube Weight | 1.40 kg (3.09 lbs) - OTA Only / 4.20 kg (9.26 lbs) - Combined Tracking Setup Weight |
| Mount Attachment Type | Direct Attachment via Vixen-Style Dovetail Bar Coupled to SkyGuider Pro Dec Mounting Bracket |
| Finder Scope Specification | Not Included / Mount Base Housing Features Integrated AccuAlign Illuminated Polar Scope |
| Included Accessories | 66mm ED Apo OTA, iOptron SkyGuider Pro Tracking Mount Head, Built-In Rechargeable Battery Module, Altazimuth Base Wedge, Dec Mounting Bracket with Counterweight Shaft and Mass, Vixen Bar, Soft Carrying Bag |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Mobile wide-field night sky astrophotography tracking deep-space constellations, matching a compact low-weight doublet scope with an ultra-portable motorized equatorial tracking head. |
























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