TAKAHASHI - TOA-150
*** Superb 150mm f/7.3 triplet ***
This outstanding refractor is capable of the ultimate optical performance, from high power planetary observation, and close double stars with well under 1" or arc separation, to superb deep space and wide field imaging. The images above show the TOA-150 on an EM-400 mount, and below is a close-up of the tube assembly
Specifications
Objective: 150mm triplet Ortho Apochromat, 1100mm focal length, f/7.33
Resolving Power: 0.68" of arc
Limiting magnitude: 12.7
4” focuser including camera angle adjuster and 10:1 Micro Edge Focuser
Tube Diameter: 179mm
Tube Length: 812mm
CCD/Photographic
With 35 Flattener (TKA31582)
Effective focal length: 1080mm
Effective focal ratio f/7.2
Image circle 40mm
With TOA focal reducer No 18s (TKA31580S)
Effective Focal Length 860mm
Effective focal ratio f/5.7
Image circle 50mm
With Super Reducer No 18L (TKA32580L)
Effective Focal Length 825mm
Effective focal ratio f/5.5
Image circle 70mm
Photo-visual chart, click here
See price list for full details. Tube assemblies are at the start of the price list, accessories at the end of the price list.