Coronado Solarmax III Telescope
Best solar telescope for enthusiasts seeking high-contrast, detailed surface views.
This is the gold standard for serious solar observers who want to see the sun’s surface in high-contrast, breathtaking detail. The double-stack configuration delivers an incredibly narrow bandwidth that pulls out fine features other scopes miss, though it requires a bit more patience to tune perfectly for the best view.
$3699.99
Who it's for
- Solar observers seeking high-contrast views of surface filaments and granulation
- Travelers needing a portable yet high-resolution solar viewing setup
- Serious astronomers demanding precise control over etalon tuning performance
Who should skip it
- Budget-conscious buyers looking for entry-level solar viewing equipment
- Beginners intimidated by complex, multi-stage equipment calibration
- Generalists wanting a telescope that also functions for nighttime stargazing
Performance breakdown
Surface Detail Clarity
Double-stack etalons reveal solar surface textures with incredible, high-contrast precision.
Tuning Precision
The T-Max tuner allows for smooth, granular adjustments to wavelength shifts.
Optical Brightness
The 70mm aperture provides a bright, satisfying view of solar phenomena.
Focusing Accuracy
Dual-speed focuser makes locking onto fine solar details effortless and stable.
Portability
Compact design and included hard case make field transport straightforward and safe.
Setup Simplicity
Manual alt-azimuth operation requires some patience but rewards with direct control.
Key Specs
Aperture
70 mm
Bandwidth
0.5 angstrom
Blocking/ERF Aperture
10mm
Emission Line
H Alpha
Focal Length
400 mm
Focal Ratio
f/5.7
Optical Design
Refractor
Mount Type
Alt-Azimuth
Eyepiece Barrel Diameter
1.25 inches
Finder Scope Type
Optical Finder
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