Comparison

Seestar S30 Pro vs Atlas Single

Seestar S30 Pro has the wider field (3.99° × 2.24° vs 1.78° × 1°), so it frames large targets such as the Andromeda Galaxy more easily; Atlas Single shows smaller objects at a larger scale. Of our 20 popular targets, Seestar S30 Pro frames 9 well and Atlas Single 6.

SpecSeestar S30 ProAtlas Single
Aperture30 mm80 mm
Focal length160 mm360 mm
Native field of view3.99° × 2.24°1.78° × 1°
Targets framed well9 / 206 / 20
Weight1.65 kg–
Wide-angle cameraYesYes
Mosaic modeNot listedYes
Official price$699€3,990

Both frames on the same targets

Solid gold: Seestar S30 Pro. Dashed blue: Atlas Single.

M31 · 190′ × 60′
M31 Andromeda Galaxy: Seestar S30 Pro larger than the frame; Atlas Single larger than the frame.
M42 · 66′ × 60′
M42 Orion Nebula: Seestar S30 Pro fits well; Atlas Single larger than the frame.
M51 · 11′ × 8′
M51 Whirlpool Galaxy: Seestar S30 Pro small in the frame; Atlas Single small in the frame.

Where they differ

TargetSeestar S30 ProAtlas Single
M42 Orion Nebulafits welllarger than the frame
M45 Pleiadesfits welllarger than the frame
M33 Triangulum Galaxyfits welllarger than the frame
M13 Hercules Clustersmall in the framefits well
M8 Lagoon Nebulafits welllarger than the frame
M44 Beehive Clusterfits welllarger than the frame
M63 Sunflower Galaxysmall in the framefits well

Where to buy the Seestar S30 Pro

Where to buy the Atlas Single

Some of these are affiliate links: we may earn a commission at no extra cost to you. It never changes our rankings. Prices and stock are on the retailer's page. Disclosure

Test both against your own sky

Questions and answers

Which is better for large targets, the Seestar S30 Pro or the Atlas Single?
The Seestar S30 Pro, because it has the wider field of view.
Which frames more popular targets well?
The Seestar S30 Pro (9 of 20, against 6).

Specs from manufacturer pages, checked 2026-10-12. Fit labels follow the rule on the page.