The Celestron FirstScope Moon Signature Series Telescope is a compact 76mm tabletop Dobsonian featuring detailed lunar artwork by astrophotographer Robert Reeves. Its simple, tool-free manual mount and two eyepieces make it an approachable first telescope for observing the Moon, bright planets and other bright night-sky targets.
76mm Tabletop Reflector
The 76mm Newtonian reflector has a 300mm focal length and fast f/3.95 focal ratio. The short optical tube and rotating tabletop Dobsonian base form a genuinely portable observing setup that requires no tripod, batteries, app or powered alignment.
Moon Signature Artwork
The optical tube carries a Moon-themed wrap created with imagery by Robert Reeves. It is a decorative special edition of the established FirstScope design; the artwork does not change the optical specification.
Two Included Eyepieces
Use the 20mm eyepiece for a wide 15× view when locating a target, then move to the 4mm eyepiece for 75× when conditions allow. No finderscope, Barlow lens or star diagonal is stated as included.
Simple Manual Operation
Place the base on a stable table or other solid raised surface, move the tube by hand in altitude and azimuth, and focus with the side-mounted focuser. The telescope has no GoTo, tracking motor or electronic object finding.
Portable First Telescope
At 1.95kg for the complete telescope, the FirstScope is easy to carry and quick to deploy. A stable support and low-power eyepiece are important for comfortable viewing.
What Is Included?
- 76mm f/3.95 Newtonian reflector optical tube with Moon signature artwork
- Manual tabletop Dobsonian mount
- 20mm eyepiece providing 15×
- 4mm eyepiece providing 75×
- Downloadable Lunar Landscapes guide by Robert Reeves
Please note: Only the items listed above are stated as included. A smartphone is not included with app-guided telescopes. Optional adapters, tripods, eyepieces and other accessories are sold separately unless explicitly listed.
Specifications
| Optical design | Newtonian reflector with spherical primary mirror |
|---|---|
| Aperture | 76mm (2.99 inches) |
| Focal length | 300mm (11.81 inches) |
| Focal ratio | f/3.95 |
| Optical coatings | Aluminium with SiO₂ overcoat |
| Included eyepieces | 20mm (15×) and 4mm (75×) |
| Finderscope | None stated as included |
| Barlow lens | None stated as included |
| Star diagonal | Not applicable |
| Highest useful magnification | 180× |
| Lowest useful magnification | 11× |
| Limiting stellar magnitude | 11.9 |
| Rayleigh resolution | 1.83 arcseconds |
| Dawes resolution | 1.53 arcseconds |
| Light-gathering power | 118× compared with the unaided eye |
| Secondary obstruction | 28mm; 37% by diameter and 14% by area |
| Optical-tube material | Plastic |
| Optical-tube dimensions | 266mm long × 95.25mm diameter |
| Optical-tube weight | 0.64kg (1.4lb) |
| Mount | Manual tabletop Dobsonian |
| Complete telescope weight | 1.95kg (4.3lb) |
| Power requirements | None |
Solar Safety
Warning: Never look directly at the Sun through this optical instrument without a correctly fitted, certified full-aperture solar filter.
Permanent and irreversible eye damage can occur. Never use an eyepiece-type solar filter and never project sunlight through the instrument. Cover or remove finder devices during properly filtered solar use.
Never leave the instrument unattended, especially when children are present.
Instruction Manuals
Official documents are supplied in English, French, German, Italian and Spanish.