Question 1

Is the StellaLyra 10" Dobsonian's collimation system reliable out of the box?

Accepted Answer

Multiple owners report that the stock primary mirror springs are too weak, causing the mirror to either resist adjustment or clunk out of position. The near-universal fix is to replace the springs with stronger ones and add Bob's Knobs to the secondary, after which several users report the collimation holds reliably without further adjustment.

Question 2

Is the StellaLyra 10" Dobsonian's base stable enough for regular observing?

Accepted Answer

Stability varies significantly by model size — owners of the 8" report a rock-solid base with no wobble, while the 12" version is widely reported to wobble noticeably. The consensus cause is that the azimuth bearing (320mm) is undersized relative to the 630mm ground board, and owners have addressed this by replacing it with a larger 600mm lazy Susan bearing and adding side braces similar to those on the Skywatcher equivalent.

Question 3

How good are the optics on the StellaLyra 10" Dobsonian?

Accepted Answer

Multiple forum members and at least one published reviewer (Ade Ashford for BBC Sky at Night) describe the GSO mirrors as genuinely high quality, not just good for the price. One owner reports the best, sharpest lunar views they had ever seen and places the optics alongside premium instruments, while a Cloudy Nights member notes GSO mirrors have been used by custom telescope builders like Teeter Telescopes in multi-thousand dollar scopes.

Question 4

Does the StellaLyra 10" Dobsonian balance properly for visual observing?

Accepted Answer

Several owners report that the weight of the RACI finder and focuser can tip the OTA when pointing at high altitudes, making azimuth movement stiff unless the bearing is overtightened. Common workarounds mentioned by multiple members include using welding or taxi magnets as counterweights, or wrapping an exercise weight around the top of the tube.

Question 5

Is the StellaLyra 10" Dobsonian's focuser adequate for visual use?

Accepted Answer

The CNC-machined, black anodised dual-speed Crayford focuser is consistently praised by owners as being of noticeably good quality for the price. FLO note it will carry a DSLR when properly tensioned, but the scope is primarily designed for visual use, and some members suggest Crayford focusers generally lack the load-bearing capacity of rack-and-pinion designs for astrophotography.

Question 6

Is the StellaLyra 10" Dobsonian's rocker box easy to stiffen or improve?

Accepted Answer

Multiple owners who attempted to stiffen the stock MDF rocker box found it worthwhile but noted that gluing and screwing braces is more effective than just tightening bolts, and one experienced builder warns that trying to strengthen the existing structure never fully satisfies and that building a new base from 18mm plywood is a better long-term solution. Several owners went down the full rebuild route and reported results they were happy with.

Aperture	254mm
Focal Length	1250mm
Focal Ratio	f/4.92
Optical Design	Dobsonian

Mount Type	Dobsonian
GoTo (Computerised)	No
Tracking	No

Focuser Size	2"
Focuser Type	2" dual-speed Crayford (10:1)

OTA Weight	15.5kg
Total Weight (with mount)	31.5kg
Tube Length	1210mm

Eyepieces	9mm and 15mm 1.25" Super-Plössl, 30mm 2" Superview
Finder Scope	8x50 right-angled correct-image

StellaLyra 10" f/5 Dobsonian

How it compares

Questions from owners

Full Specifications

Optics

Mount & Tracking

Focuser

Physical

Included Accessories