Ten inches of aperture in a solid tube — no collapsing, no truss-assembly, just unpack and observe. The Explore Scientific FirstLight 10-inch solid-tube Dobsonian (FL-DOB1005-02) packs a 254mm primary mirror into a complete visual package at a price that undercuts most comparable Dobs. At f/5 with 1270mm focal length, it reaches limiting magnitudes most 8-inch scopes can't touch, and shows you the structural detail in galaxies and nebulae that smaller apertures only hint at.
Unlike the 8-inch solid-tube Dobsonian
The 8-inch FL-DOB0806-02 is a great starter Dob — the 10-inch is what you buy when the 8-inch leaves you wanting more. The 10-inch has 56% more mirror area than the 8-inch. That translates directly into a lower limiting magnitude, finer resolution on planetary detail, and more structure visible in faint galaxies. The trade-off is size and weight: the 10-inch solid tube is larger and heavier, best suited for backyard observers rather than car-trunk portability. If you're setting up in a fixed location or a vehicle-accessible dark site, the 10-inch's visual advantage is unambiguous.
What you'll see
Ten inches at a dark site is genuinely transformative. The Orion Nebula's inner regions take on three-dimensional texture. Globular clusters like M13 and M5 resolve fully to the core. Galaxies M81 and M82 simultaneously fill the same wide field, each showing structural detail — dust lanes in M82, the bright nucleus of M81. The Virgo Cluster becomes an extended tour with dozens of visible members. Planetary nebulae resolve from discs into rings. Jupiter and Saturn take magnification well past 250× on steady nights, revealing fine cloud banding and moon shadow transits.
What's in the box
- 254mm (10-inch) f/5 solid-tube Dobsonian telescope
- 8×50 right-angle correct-image finderscope
- 2-inch focuser with 1.25-inch adapter
- Two 1.25-inch eyepieces
- Altitude and azimuth tensioners for smooth manual tracking
| Spec |
Value |
| SKU |
FL-DOB1005-02 |
| Optical Design |
Newtonian Reflector (Dobsonian) |
| Aperture |
254mm (10 inches) |
| Focal Length |
1270mm |
| Focal Ratio |
f/5 |
| Finderscope |
8×50 right-angle correct-image |
| Focuser |
2-inch with 1.25-inch adapter |
| Mount Type |
Dobsonian alt-az rocker box |
Price Match, Shipping & Questions
We price-match any authorized Canadian or US retailer. Ships free to the contiguous US. Questions? Email us at support@telescopewolves.com or visit our contact page.
Frequently Asked Questions
How does this compare to the 10-inch package with accessories (FL-DOB1005-02-PK)?
The FL-DOB1005-02 is the telescope only. The package version includes additional eyepieces, a Barlow, and other accessories bundled at a combined discount. If you already have eyepieces you're happy with, the standalone is a better value. If you're starting fresh, the package gives you everything to get going immediately.
Is the solid tube a disadvantage compared to a truss Dob?
For transport, yes — a solid 10-inch tube is longer and less car-friendly than a truss design that breaks down. For setup speed and optical stability, the solid tube wins: no assembly, no alignment drift between sessions, and the tube is always cooled and sealed. If your dark site is car-accessible, the solid tube is the practical choice.
What eyepieces should I add?
The included eyepieces cover basic magnifications. Most observers quickly add a wide-field 2-inch eyepiece for low-power sweeping (a 30mm or 35mm at f/5 gives excellent exit pupil and field), and a high-power 1.25-inch for planetary work (5–7mm range for 180–250×). A quality 2-inch Barlow fills in the gap.
Does it need collimation?
Reflectors need occasional collimation — the process of aligning the primary and secondary mirrors. After shipping, a first-time collimation is typical. A collimation cap (cheap) or laser collimator makes it a 5-minute job. The FirstLight holds collimation well between sessions if it's transported carefully.
New to telescopes?
Our beginner guides walk you through everything — from setting up your first scope to finding objects in the night sky.
Watch it in action
