SmartScopeVerdict

DWARF mini vs Seestar S30

Same 30 mm aperture, same 150 mm focal length, same IMX662 sensor. This one comes down to weight, battery and what is in the box.

Short answer

Identical images; buy the DWARF mini to carry it far, the S30 (if in stock) for a complete box.

Key differences

Specs side by side

DWARF miniS30
List price$399$399
Aperture30 mm30 mm
Focal length150 mm150 mm
Focal ratiof/5f/5
SensorSony IMX662 (1/2.8-inch)Sony IMX662
Resolution2.1 MP2.1 MP
Field of view2.13° × 1.20°2.13° × 1.20°
Image scale3.99″/px3.99″/px
Wide-angle cameraWide-angle camera (OmniVision OS02K10, 2 MP)23.2° wide-angle camera (1080p)
Weight0.84 kg1.65 kg
Battery4 h6 h
Storage64 GB64 GB
EQ modeYes (up to 90 s subs)Yes
FiltersSolar filter includedBuilt-in light-pollution filter; magnetic solar filter included
Tripod includedNoYes
EyepieceNoNo

Highlighted cells are better on that line (price, focal ratio, image scale and weight: lower is better). Field of view is compared by area; whether wider is better depends on your targets.

Field of view to scale

Gold solid frame: DWARF mini. Teal dashed frame: S30.

DWARF miniS30Full Moon · frame 2.4° wide
DWARF miniS30Orion Nebula (M42) · frame 2.4° wide
DWARF miniS30Andromeda Galaxy (M31) · frame 3.6° wide

DWARF mini · S30

Telephoto fields of the DWARF mini and Seestar S30 over the Moon, the Orion Nebula and Andromeda, to scale.
ObjectDWARF miniS30
Full MoonFits (24% of the frame width)Fits (24% of the frame width)
Andromeda Galaxy (M31)Needs a mosaic (about 2 frames)Needs a mosaic (about 2 frames)
Orion Nebula (M42)Fits (52% of the frame width)Fits (52% of the frame width)
Pleiades (M45)Needs a mosaic (about 2 frames)Needs a mosaic (about 2 frames)
North America NebulaNeeds a mosaic (about 2×2 frames)Needs a mosaic (about 2×2 frames)
Whirlpool Galaxy (M51)Fits (8% of the frame width)Fits (8% of the frame width)
Ring Nebula (M57)Fits, but small: about 21 px acrossFits, but small: about 21 px across
JupiterFits, but small: about 11 px acrossFits, but small: about 11 px across

Numbers in charts

Aperture (mm) DWARF mini 30 mm S30 30 mm
Aperture (mm). Data: manufacturer specs (see sources).
Weight of the main unit (kg) DWARF mini 0.84 kg S30 1.65 kg
Weight of the main unit (kg). Data: manufacturer specs (see sources).
Rated battery (hours) DWARF mini 4 h S30 6 h
Rated battery (hours). Data: manufacturer specs (see sources).

Full reviews

Frequently asked questions

Which is better, the DWARF mini or the Seestar S30?

Identical images; buy the DWARF mini to carry it far, the S30 (if in stock) for a complete box.

Which has the wider field of view?

DWARF mini: 2.13° × 1.20°. Seestar S30: 2.13° × 1.20°.

Which gathers more light?

Both have the same 30 mm aperture.

More comparisons

Sources

Specs and prices checked on 11 Nov 2026.