TOA-150B Double ED Triplet Refractor Telescope - Heavy-Duty 4" Focuser
Takahashi
From $13,070.00
2 stores
In stock
The Takahashi TOA-150B is a premium 150mm Ortho-Apochromatic triplet refractor designed for serious astrophotographers and visual observers seeking exceptional color correction and contrast. Featuring dual FPL-53 ED glass elements and a state-of-the-art 4" heavy-duty rack-and-pinion focuser with 10:1 microfocus, this telescope eliminates spherical aberration while delivering pinpoint stars and images free from chromatic aberration. Its 225mm back focus, 360-degree camera angle adjuster, and retractable dew shield make it ideal for both planetary observation and deep-sky imaging with full-frame DSLRs and medium-format cameras.
Specifications
| Optical design | Ortho-Apochromatic Triplet |
| Focal length | 1100 mm |
| Resolving Power | 0.77″ |
| ED Glass Elements | 2 FPL-53 ED |
| Tube Length (dew shield retracted) | 38 mm |
| Focal ratio | f/7.3 |
| Microfocuser Ratio | 10:1 |
| Tube Diameter | 178 mm |
| Image Circle (with #67 Flattener) | 90 mm |
| Back Focus | 225 mm |
| Multicoated Optics | Fully Multi-Coated |
| Focuser Size | 4 in |
| Weight (OTA) | 43 kg |
| Dew Shield | Retractable |
| Aperture | 150 mm |
| Visual Limiting Magnitude | 13.4 |
| Focuser Type | Rack-and-Pinion |