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The TOA-130 is the first of Takahashi's newest optical design: The Ortho-Apochromat. This 21st century innovation employs a newly
designed triplet using special elements to produce the highest order of color correction and is packaged in a short 32 inch tube
with the lens shade retracted.
This instrument is offered here with the classic 2.7 inch focuser. For those wanting to use a medium format camera, we also offer a deluxe 4 inch focuser with built-in camera angle adjuster (TSA0131). The high order of color correction of the Ortho-Apochromat Series produces images with saturated color and, thanks to the numerous knife-edged baffles, it also displays an image with amazing contrast. The TOA-130 is perfect for visual, CCD and classic astrophotography. The f/7.7 focal ratio with a 1000mm focal length is long enough (using the optional LE-ED 2.8mm Takahashi ocular, for instance) for high magnification observations of the Moon and planets and yet will produce a 2.5° field at 20x when used with the optional Takahashi flat field LE-50 2 inch ocular. Ample back focus, over 200mm from the rear cell, has been designed into the system to permit the user to use a variety of CCD cameras, color filter wheels and electronic focusers or film cameras. | |||||||||||||||||||||||||||||||||||||