Astrophotoguru · Compare

telescopecomparison · 2-way

Vaonis Stellina vs Radian Raptor 61

Vaonis Stellina
Vaonis

Stellina

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

Radian Raptor 61
Radian

Raptor 61

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

Key differences

+45% focal length
+31% aperture
Slower by 0.5 f-stops

Specifications

SpecificationVaonis StellinaRadian Raptor 61
Optics
Typesmart-telescoperefractor
Optical designApo doublet all-in-onePetzval quadruplet
Aperture80mm61mm
Focal length400mm275mm
Native f/ratiof/5.0f/4.5
Image circle44mm
Full-frame supportNoNo
Physical
Weight11.2kg2.6kg
Advantages of Vaonis Stellina
  • Tighter framing — 400mm vs 275mm focal length
  • 31% more light-gathering aperture
Advantages of Radian Raptor 61
  • Wider field — 275mm vs 400mm focal length
  • Faster optics at f/4.5 vs f/5
  • Larger image circle (44mm) — supports bigger sensors
  • Lighter (2.6kg vs 11.2kg) — easier to travel with
Best for — Vaonis Stellina
  • Large emission nebulae and star clusters
  • Fast imaging — short exposures per sub
Best for — Radian Raptor 61
  • Wide-field nebulae and Milky Way regions
  • Fast imaging — short exposures per sub
Vaonis Stellina — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 5.16° × 3.44°Scale: 1.94"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 3.37° × 2.25°Scale: 1.94"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 1.62° × 1.62°Scale: 1.94"/px
Radian Raptor 61 — typical FOV & scale
  • With Full-frame (36×24mm, 3.76µm)
    FOV: 7.50° × 5.00°Scale: 2.82"/px
  • With APS-C (23.5×15.7mm, 3.76µm)
    FOV: 4.90° × 3.27°Scale: 2.82"/px
  • With IMX533 square (11.3×11.3mm, 3.76µm)
    FOV: 2.35° × 2.35°Scale: 2.82"/px
Vaonis Stellina — recommended user

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

Radian Raptor 61 — recommended user

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

Recommended alternatives