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telescopecomparison · 2-way

Unistellar Equinox 2 vs Explore Scientific ED80 FCD-100

Unistellar Equinox 2
Unistellar

Equinox 2

Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.

Explore Scientific ED80 FCD-100
Explore Scientific

ED80 FCD-100

Best suited for beginners and wide-field enthusiasts running a portable travel rig.

Key differences

-6% focal length
+43% aperture
Faster by 2.1 f-stops

Specifications

SpecificationUnistellar Equinox 2Explore Scientific ED80 FCD-100
Optics
Typesmart-telescoperefractor
Optical designNewtonian all-in-oneApo triplet FCD-100
Aperture114mm80mm
Focal length450mm480mm
Native f/ratiof/3.9f/6.0
Image circle44mm
Full-frame supportNoNo
Physical
Weight9.0kg4.5kg
Advantages of Unistellar Equinox 2
  • 43% more light-gathering aperture
  • Faster optics at f/3.9 vs f/6
Advantages of Explore Scientific ED80 FCD-100
  • Larger image circle (44mm) — supports bigger sensors
  • Lighter (4.5kg vs 9kg) — easier to travel with
Best for — Unistellar Equinox 2
  • Large emission nebulae and star clusters
  • Fast imaging — short exposures per sub
Best for — Explore Scientific ED80 FCD-100
  • Large emission nebulae and star clusters
Unistellar Equinox 2 — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 4.58° × 3.06°Scale: 1.72"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 2.99° × 2.00°Scale: 1.72"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 1.44° × 1.44°Scale: 1.72"/px
Explore Scientific ED80 FCD-100 — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 4.30° × 2.86°Scale: 1.62"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 2.81° × 1.87°Scale: 1.62"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 1.35° × 1.35°Scale: 1.62"/px
Unistellar Equinox 2 — recommended user

Best suited for beginners and wide-field enthusiasts running a backyard imaging setup.

Explore Scientific ED80 FCD-100 — recommended user

Best suited for beginners and wide-field enthusiasts running a portable travel rig.

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