Blitz 203 PLUS - Telescope Levenhuk - Free user manual and instructions
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| Product Type | Telescope |
| Model | Blitz 203 PLUS |
| Brand | Levenhuk |
| Optical Design | Newtonian reflector |
| Aperture | 203 mm (8 in) |
| Focal Length | 1200 mm |
| Focal Ratio | f/5.9 |
| Mount Type | Dobsonian (alt-azimuth) |
| Highest Useful Magnification | 400x |
| Lowest Useful Magnification | 29x |
| Limiting Stellar Magnitude | 13.0 |
| Resolution (Rayleigh) | 0.68 arcsec |
| Finderscope | Optical, 8x50 |
| Eyepieces Included | 26 mm and 9.7 mm |
| Dimensions | Tube length: 110 cm, Base diameter: 60 cm |
| Weight | 19.5 kg (43 lb) |
| Power Supply | None (manual operation) |
| Functions | Observing celestial objects: Moon, planets, deep-sky objects |
| Maintenance | Collimation required; clean optics with lens brush and air blower |
| Safety | Never point at the Sun without a proper solar filter; use solar finder |
| Spare Parts & Repairability | Spare parts available from Levenhuk; repair by authorized service |
| General Information | Includes tube, base, eyepieces, finderscope, collimation cap |
Frequently Asked Questions - Blitz 203 PLUS Levenhuk
How do I assemble the Levenhuk Blitz 203 PLUS telescope?
Place the base on a flat surface. Insert the tube into the base. Attach the finderscope and eyepiece. Refer to the manual for detailed steps.
What is collimation and how often should I do it?
Collimation aligns the mirrors. Check it before each use, especially after transport. Use a collimation cap or laser collimator.
How do I clean the primary mirror?
Remove the mirror cell. Use distilled water and a mild detergent. Rinse thoroughly. Avoid touching the surface. Let it air dry.
Can I use the telescope for terrestrial viewing?
Yes, but the image will be upside-down. It is designed for astronomy, but can be used for terrestrial with an erecting prism.
What eyepieces should I buy for planetary observing?
For high magnification, use eyepieces with short focal lengths (e.g., 4-6 mm) or a Barlow lens. Ensure they are 1.25" or 2" as compatible.
How do I align the finderscope?
During daytime, aim the telescope at a distant object. Adjust the finderscope screws until the crosshair matches the telescope's view.
Is the telescope suitable for astrophotography?
Limited due to Dobsonian mount. For lunar and planetary, you can use a smartphone adapter. Deep-sky requires a tracking mount.
What is the maximum magnification?
About 400x under ideal conditions. Avoid exceeding 2x aperture in mm (406x). Actual limit depends on atmosphere.
How do I safely observe the Sun?
Only use a certified solar filter over the front aperture. Never look through the telescope without it. Point away from the Sun when not in use.
How should I store the telescope when not in use?
Keep it in a dry, dust-free area. Cover with a dust cap. Store horizontally or vertically with tube down to avoid dust on mirror.
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USER MANUAL Blitz 203 PLUS Levenhuk
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Product information
Brand : Levenhuk
Model : Blitz 203 PLUS
Category : Telescope