Who it's for
- Unrivaled Optical Performance
- Robust 4-Inch Focuser
- Exceptional Field Correction
Who should skip it
- Extremely High Cost
- Significant Weight and Bulk
- Extended Thermal Equilibrium Time
Performance breakdown
Optical Clarity
Triplet ED glass delivers virtually perfect color correction and contrast.
Astrophotography Precision
The massive image circle handles full-frame sensors with exceptional edge-to-edge sharpness.
Mechanical Stability
Heavy-duty focuser eliminates image shift during long-exposure imaging sessions.
Build Quality
Robust, professional-grade construction built to last a lifetime of field use.
Portability
Substantial weight requires a serious, permanent mount for stable operation.
Versatility
Excels at deep-sky imaging while providing stunning, high-contrast visual observations.
Optical Clarity
The triplet design delivers virtually perfect color correction and contrast.
Astrophotography Precision
Large image circle ensures edge-to-edge sharpness for demanding deep-sky imaging.
Build Robustness
Heavy-duty construction provides the stability required for long-exposure photographic sessions.
Focuser Performance
The 4-inch focuser handles heavy camera payloads without any image shift.
Portability
Significant weight and size make this a stationary, observatory-grade instrument.
Versatility
Excels at high-magnification planetary viewing and wide-field deep-sky photography.
Key Specs
Aperture
150 mm (6")
Focal Length
1100 mm
Focal Ratio
f/7.3
Optical Design
Triplet Refractor
Corrected Image Circle
90mm
Highest Useful Magnification
479x
Tube Weight
44 lbs
Dew Shield Included
Yes
Exterior Color
Gloss White
Warranty
5 Year Warranty
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Ask Metto anything about the Takahashi TOA-150B before you decide.
