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telescopecomparison · 2-way

Vaonis Vespera Pro 2 vs ZWO Seestar S50

Vaonis Vespera Pro 2
Vaonis

Vespera Pro 2

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

ZWO Seestar S50
ZWO

Seestar S50

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

Specifications

SpecificationVaonis Vespera Pro 2ZWO Seestar S50
Optics
Typesmart-telescopesmart-telescope
Optical designApochromatic quadruplet all-in-oneApo triplet all-in-one
Aperture50mm50mm
Focal length245mm250mm
Native f/ratiof/4.9f/5.0
Image circle
Full-frame supportNoNo
Physical
Weight5.0kg2.5kg
Advantages of Vaonis Vespera Pro 2

Closely matched on the compared specs.

Advantages of ZWO Seestar S50
  • Lighter (2.5kg vs 5kg) — easier to travel with
Best for — Vaonis Vespera Pro 2
  • Wide-field nebulae and Milky Way regions
  • Fast imaging — short exposures per sub
Best for — ZWO Seestar S50
  • Wide-field nebulae and Milky Way regions
  • Fast imaging — short exposures per sub
Vaonis Vespera Pro 2 — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 8.42° × 5.61°Scale: 3.17"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 5.50° × 3.67°Scale: 3.17"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 2.64° × 2.64°Scale: 3.17"/px
ZWO Seestar S50 — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 8.25° × 5.50°Scale: 3.10"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 5.39° × 3.60°Scale: 3.10"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 2.59° × 2.59°Scale: 3.10"/px
Vaonis Vespera Pro 2 — recommended user

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

ZWO Seestar S50 — recommended user

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

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