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Takahashi TOA 130 Apochromatic Refractor



  • Model: TSA0130
  • Manufactured by: Takahashi


Takahashi TOA-130NS Triplet Ortho Apochromatic 130mm Triplet Refractor

The triplet TOA-130NS is the first of the new Ortho-Apochromat Series. Pictured on optional mount, not included. This 21st century innovation employs a newly designed triplet using special elements to produce the highest order of color correction, hence the name Ortho-Apochromat and is packaged in a short 32” tube with the lens shade retracted.

This instrument will be offered with the classic 2.7” focuser. For those wanting to use a medium format camera, this focuser, coupled with the dedicated flattener, will produce a fully illuminated 70mm circle with a usable 92mm diameter.

The high order of color correction of the Ortho-Apochromat Series produces images with saturated color and thanks to the numerous knife-edged baffles, an image with amazing contrast.

The TOA-130 is perfect for visual, CCD and photo imaging. The f/7.7 focal ratio with a 1000mm focal length is long enough, using the LE-ED 2.8mm Takahashi ocular, for high magnification observations of the Moon and planets and yet will produce a 2.5° field at 20x when used with the field flattener.

Focal length with flattener                        999mm
Focal ratio with flattener                          f/7.68
Image circle                                            92mmǾ
Photographic field                                   5.3°
Focal length with reducer                        754mm
Focal ratio with reducer                          f/5.8
Image circle                                            52mmØ, 25mmØ
Photographic field                                   3.8°
Focuser                                                  2.7"
Backfocus from end of OTA                   258mm
Diameter of main tube                             155mm
Length of tube w/adapters removed        812mm (32")
Diameter of dew shield                           179mm ø
Dew shield                                             retractable
Tube weight                                            10kg (22lbs)

Manufacturer Info

Lunt Solar Systems