Takahashi Epsilon-130D Astrograph

Takahashi Epsilon-130D Astrograph: Takahashi first introduced their Epsilon Series flat-field hyperbolic astrographs in the mid 1980’s with the Epsilon-130 offering the smallest aperture and most portable of the series. The Epsilon optical system features a hyperbolic primary and a digital corrector to produce a flat field image that excels for astrophotography.

Takahashi Epsilon-130DThe Takahashi Epsilon-130D digital version of this astrograph offers an improvement in optical performance with a digital corrector that produces an improvement in sharpness and a 1/3rd improvement in the size of the spot equaling the e-180 with <10µm spots at the edge of the Ø44mm circle.

The improvement in the design of the digital corrector also produces a 1/3rd reduction in the size of the smallest stellar image. Distortion is reduced by half with the design of the digital corrector used on the e-130D.

The E-130D has a 5.9-degree field of view that is perfect for imaging comets like Comet ISON. With a speed of f/3.3 and a 430mm focal length, images are high-contrast and the e-130D excels with short exposures, color saturation and wide field high performance images.

The E-130D is a highly portable, airline transportable, compact hyperbolic flat field astrograph that weighs only 10.8 lbs that can be taken easily to remote sites or around the world. Its light weight allows it to be carried by smaller and lighter mounts.

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