Details
Omni XLT series features the stable platform of the CG-4 mount and high quality optics. Using aspheric shaping technology in conjunction with hand-figuring the optics, the Omni XLT presents an image with virtually no spherical aberration. We also added our famous StarBright XLT coating system to further enhance light transmission.
Additional Information
| Optical Design | Refractor |
|---|---|
| Aperture (mm) | 150 mm (5.91 in) |
| Focal Length (mm) | 750 mm (30 in) |
| Focal Ratio | 5 |
| Eyepiece 1 (mm) | 25 mm (0.98 in) |
| Magnification 1 | 30 x |
| Finderscope | 6x30 |
| Mount | Omni CG-4 Equatorial |
| Tripod Legs | 1.75" Stainless |
| Weight (lbs) | 49.5 lbs (22 kg) |
| Highest Useful Magnification | 354 x |
| Lowest Useful Magnification | 21 x |
| Limiting Stellar Magnitude | 13.4 |
| Resolution (Rayleigh) | 0.93 arc seconds |
| Resolution (Dawes) | 0.77 arc seconds |
| Light Gathering Power | 459 x |
| Angular Field of View (deg) | 1.67 ° |
| Linear Field of View (@1000 yds) | 88 ft (27 m) |
| Optical Coatings | StarBright XLT |
| Optical Tube Length | 34 in (864 mm) |
| Optical Tube Weight | 16 lbs (7.26 kg) |
| EQ Mount Weight | 21 lbs (9.53 kg) |
| Tripod Weight | 12.5 lbs (5.67 kg) |
| Counterweights | 7 lbs (3.2 kg) and 4 lbs (1.8 kg) |
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Instructional Videos
Knowledge Base
- I'm doing photography with an eyepiece, using my camera with and without a lens. What are the f-numbers of my setup for the afocal and eyepiece projection methods?
- Can my NexStar hand control be repaired instead of replaced?
- What is back focus? What problems does it cause for visual and photographic use of my scope? What are related focus issues?
- I need to box up my scope and ship it. What's the best way to pack it?
- Why won't my image erecting eyepiece or image erecting diagonal always give right side up images with my scope?
- What is field rotation? How does it affect my scope's viewing and imaging?
- Why do I need to guide my telescope for photography? Don't accurate alignment and firmware functions like periodic error correction (PEC) take care of it all?
- What is a star party? Where do I find information on star parties in and around my area?
- I "accidentally" took apart my eyepiece, removing the lens that goes closest to my eye. Help! How do I put it back together?
- I'm looking at my Celestron scope and it has a serial number on it. Can you tell me the model, type and year it was made?
- How do I use the setting circles on my Celestron German equatorial mount?
- How do I use the RA vernier scales on my Omni XLT (CG-4) mount's setting circles?
- I just got my Celestron telescope with a 6x30 finder. How do I focus the finderscope?
- How do I collimate my Omni XLT telescope - refractor?
Downloads
Manuals
Omni XLT Manual (9.2 MB | PDF)
Reference Materials
- Telescope Maintenance (English, French, German, Italian, Spanish) (640.68 KB | PDF)
- Telescope Basics (English, French, German, Italian, Spanish) (481.61 KB | PDF)
- Celestrial Observing (English, French, German, Italian, Spanish) (381.85 KB | PDF)
- Astronomy Basics (English, French, German, Italian, Spanish) (2.26 MB | PDF)
