1
/
of
13
Takahashi
Takahashi TOA-150B Double ED Triplet Refractor Telescope - Heavy-Duty 4" Focuser
Takahashi TOA-150B Double ED Triplet Refractor Telescope - Heavy-Duty 4" Focuser
Regular price
$13,070.00 USD
Regular price
Sale price
$13,070.00 USD
SKU:TAK-TOA150B-ED
In stock
Quantity
Couldn't load pickup availability
PRODUCT DESCRIPTION
The Takahashi TOA-150B Double ED Triplet Refractor is a masterclass in precision engineering and optical excellence. Designed for serious astrophotographers and advanced visual observers, the TOA-150B features an air-spaced triplet lens system using FPL-53 extra-low dispersion glass for unmatched chromatic correction and image clarity.
- 150 mm (6") air-spaced triplet refractor with double ED elements
- Achieves 1/12th wave accuracy and 0.992 Strehl ratio for peak image quality
- High-contrast views and tight star points across the entire image field
- Huge 90 mm corrected image circle when paired with optional flattener
- Includes a heavy-duty 4" rack-and-pinion focuser with 225 mm of back focus
- Focuser supports large camera payloads and 10:1 dual-speed microfocusing
- Optional Extender TOA enables f/11.68 for high magnification planetary work
- Internally baffled tube ensures razor-sharp contrast and zero stray light
- Durable gloss white finish and premium build ideal for transport and longevity
If you're looking for observatory-class refractor performance in a manageable tube, the Takahashi TOA-150B sets a benchmark that few scopes in the world can match.
TECHNICAL SPECIFICATIONS
Feature | Specification |
---|---|
Aperture | 150 mm (6") |
Focal Length | 1100 mm |
Focal Ratio | f/7.3 |
Optical Design | Double ED Triplet Refractor |
Corrected Image Circle | 90 mm (with flattener) |
Back Focus | 275 mm |
Image Circle Field | 1.6x = 1.3° |
Limiting Stellar Magnitude | 13.4 |
Highest Useful Magnification | 479x |
OTA Diameter | 179 mm |
OTA Weight | 44 lbs |
Dew Shield | Included (Retractable) |
Exterior Color | Gloss White |
Warranty | 5 Year Warranty |
WHAT’S IN THE BOX?
- Takahashi TOA-150B 150 mm (6") Triplet Refractor OTA
- High-precision 4" Focuser with dual-speed knobs (10:1)
- Camera Angle Adjuster with 360° rotation
- Retractable dew shield for portability and protection
- 2" threaded eyepiece holder with 1.25" compression ring adapter
- Optional finder, handle, and mounting rings shown in product photos (sold separately)
- 5-Year Manufacturer Warranty












