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Takahashi Epsilon 130D Astrograph Reflecting OTA
Takahashi Epsilon 130D Astrograph Reflecting Telescope

Takahashi Epsilon 130D Astrograph Reflecting OTA

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Your Price: CAD4,189.00
Retail Price:CAD4,324.97

Your Savings:CAD135.97(3%)

Usually ships in 5-7 business days
Part Number:TEK13010

Choose Options or Accessories if Applicable

Focusers, Extenders & Reducers
Flatteners & Correctors
Finder Scopes & Brackets
TKA00551 6X30 Finderscope (+CAD319.00)
TKA00552 7X50 Finderscope (+CAD559.00)
TKA00552Y 7X50 Finderscope (Yellow) (+CAD609.00)
TKA00562 6X30 FINDER BRACKET (+CAD99.00)
TKA00563 7X50 FINDER BRACKET (+CAD159.00)
TKA00562BB 6X30 FINDER BRACKET (Blue Black) (+CAD89.00)
TKA00563BB 7X50 FINDER BRACKET (Blue Black) (+CAD179.00)
TKA00569 7X50 FINDER BRACKET (CCA-250) (+CAD149.00)
SBP08110 Starbase 80 6x30 finder w/brakcet (+CAD109.00)
Tube Holders
Eyepiece Accessories
Camera Angle Adapters & T-rings
Simulate views with this scope and various eyepieces help

Takahashi introduced their Epsilon Series flat-field hyperbolic astrographs in the middle 1980’s. The Epsilon-130 was the smallest aperture and most portable of the series. Now Takahashi is re-introducing the new e-130D digital version of this astrograph.

The Epsilon optical system features a hyperbolic primary and a digital corrector to produce a flat field image. Takahashi has been producing hyperbolic mirrors since 1985 and has a reputation for producing high quality hyperbolic astrographs like the current e-180ED.

The new e-130D is the same size as the original e-130 and was designed with an improvement in optical performance with a newly designed digital corrector. This 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 produces a 1/3rd reduction in the size of the smallest stellar image. Distortion has also been reduced by ½ with the new design of the digital corrector used on the e-130D.

The e-130D has a 5.9° field of view that is perfect for imaging comets like the new comet ISON. With a speed of f/3.3 and a 430mm focal length images will be high contrast. The e-130D will shorten exposures, increase color saturation and produce a wide field high performance images.

With an f/3.3 system the speed necessitates a large secondary that will illuminate the image properly. Placing the diagonal mirror in the center of the tube will produce uneven illumination across the field imaged.  In order to fully illuminate the image circle the secondary must be offset to accept the full light cone produced by the primary mirror.  The spider was specially strengthened to hold the mirror offset securely without any flexure.

The focuser has been improved to allow or more precise focusing. Each has a metal insert with a special non-cold flow material to allow for the precise focus.

The e-130D features a new collimation system for the primary mirror, which is similar to the one used on the TOA. The previous design used push and pull screws set inside of each other. This modified system used separate push and pull adjusting screws. This flush design prevents the tube from being bumped because the protruding alignment bolts of the old design protruded past the end of the tube.

The e-130D is a highly portable, airline transportable, compact hyperbolic flat field astrograph, weighs only 10.8lbs, that can be taken easily to remote sites or around the world. Its light weight and 5.9° apparent field of view make it perfect for comets and wide field imaging. Its light weight allows it to be carried by smaller and lighter high quality mounts.


NameTakahashi - Epsilon 130D Astrograph
Manufacturer Takahashi
Model TEK1300
Manufacturer Part No TEK1300
Aperture 130mm
Focal Length 430mm
Focal Ratio f/3.3
Image circle 44mm (5.9° field of view)
Optical tube diameter 166mm
Optical Tube Length 460mm

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