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Takahashi FSQ-130ED Super APO Imaging Refractor - OTA - Sky and Telescope 2017 Hot Product
Takahashi FSQ-130ED Super APO Imaging Refractor - OTA

Takahashi FSQ-130ED Super APO Imaging Refractor - OTA - Sky and Telescope 2017 Hot Product

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Your Price: CAD22,079.00
Special Order, Usually ships in 7-10 business days
Part Number:TQE13010

Choose Options or Accessories if Applicable

Extenders & Reducers
Ships Worldwide - This item qualifies for international shipping. help
Flatteners & Correctors
Finder Scopes & Brackets
Tube Holders
Adapters
Eyepiece Accessories
Camera Angle Adapters & T-rings

Product Highlights

  • The Takahashi FSQ130ED is a highly tuned Super APO optical tube.
  • Using a 5 element design, the FSQ 130 provides a highly color-correct ultra flat-field image with exceptional light transmission.
  • Large 110mm image circle.
  • Super fast f/5 design.
  • Includes 5" focuser capable of carrying heavy imaging setups. Integrated camera angle adjuster and rotator.

The FSQ series of telescopes were designed with the astro-imager in mind. Featuring a four-element lens system made with superb ED glass, the FSQ produces a virtually flat field across a large image circle. In models other than the FSQ series, the image circle is defined as the circle in which light intensity is 60% or greater. However, because of the outstanding performance of the FSQ series, for these models the image circle is defined as the area where star images are 30 microns or less. In all FSQ telescopes, the light intensity across the image circle is greater than 70%.

The FSQ-130ED is the latest addition to Takahash FSQ line. The FSQ-130ED is a fusion of features from the TOA and FSQ series. The front elements mimic the TOA series, with three elements of ED glass that almost eliminate axial chromatic aberration and spherical aberration. The rear elements come from the FSQ-106 design, thus eliminating astigmatism and chromatic aberration.

Through its design, the amount of light reduction across the image circle is minimal. Out to about 44 mm, the light intensity remains 97%. Out to 64 mm, light intensity is still a remarkable 92%. Even out to 110-mm, the light intensity is above 78%. This light intensity reduces vignetting and keeps stars across the field pin-point. At prime focus the FSQ-130ED produces a 110-mm image circle with an extremely flat field.

The FSQ-130ED has a 130-mm aperture in an f/5, 650 mm telescope. The FSQ-130ED features a retractable dew shield, a 360-degree camera angle adjuster, and a heavy duty, 4-inch rack and pinion focuser. The focuser comes standard with a 7:1 fine focuser reduction. The draw tube features two racks, allowing heavy imaging trains to be used without flexure of the focusing mechanism. The FSQ-130ED can be coupled with several reducers and extenders, including the F/3 Reducer 0.6X and the 645 super reducer.

Optical Tube Assembly only (mount, tripod, tube holder and finder sold separately).


Staying true to Takahashi's legendary and supreme optical designs, the FSQ130ED products a perfectly flat-field. By utilizing a five element design which incorporates 3 ED elements made from premium optical glass, color, brightness and contrast are at its best. When used at prime focus, you'll enjoy a 110mm image circle with pinpoint sharp stars from edge to edge with 92% illumination.

The Takahashi FSQ130ED is the ultimate astrograph. A quintuplet super-low dispersion optical design which uses specialized anti-reflection coatings to transmit the the maximum light to your camera sensor. It's also the perfect image travelling companion! At only 22" long and very lightweight, it is easily supported by a medium-duty mount. 175mm of back focus allow for easy adaptation of long focus imaging set-ups.

Included with the FSQ 130 APO optical tube is a 5" focuser capable of heavy-duty work loads. Your heavyweight imaging set up is in safe hands. Integrated is a camera angle adjuster and rotator for optimal camera sensor placement.


Specifications

Optical DesignRefractor - Apochromatic
Telescope Aperture 130mm
Telescope Focal Length 650mm
Telescope Focal Ratio f/5
Back Distance 175mm
Image Circle 110mm
Optical Coatings Fully Multi-Coated
Optical Tube Outer Diameter 156mm
Length of Optical Tube 22"
Optical Tube Weight 26.9lbs. (12.2KG)
Tube Color or Finish Gloss White
Finder Included None
Manual or Electronic Focusing? Manual
Focusing Speeds Two-Speed
Eyepiece(s) Included None
Diagonal Included? No - Sold Separately
Dew Shield Included? Yes
OTA Mount Type Not Provided by Manufacturer
Power Adapter Included None - Does Not Require Power
Objects in Database N/A
Hand Controller Included? No
Counterweights Included None
GPS Included? No
Mount Weight N/A
Total Telescope Weight 26.9lbs.
Tripod Type Included None, Sold Separately



NATIVE FOCAL RATIO: f/5; 650mm FL

Optical performance:

Off-axis distance [mm] 0 15 22 32
RMS-spot diameter [micron] 2.0 3.0 4.0 4.5
Relative illumination [%] 100 99 97 92

Takahashi has designed a new dedicated 645 format reducer for the FSQ-130ED that produces a 70mm diameter image circle with very small stars 5.0 micron at the edge of an 64mm circle.

645 Reducer 0.7x

Focal length: 455mm
Focal ratio: f/3.5
Image circle 70mm

Optical performance

Off-axis distance [mm] 0 15 22 32
RMS-spot diameter 2.5 3.0 4.0 5.0
Relative illumination [%] 100 96 90 60

The Takahashi RD-QR .73x can be used with the FSQ-130 and will produce color rich images across a flat field and a 44mm image circle.

RD-QE 0.73x

Focal length: 474mm
Focal ratio f/3.6
Image circle 44mm

Optical performance:

Off-axis distance [mm] 0 15 22
RMS-spot diameter (micron) 3.0 5.0 14
Relative illumination [%] 100 90 65

EX-ED 1.5x

The Extender-ED when used with the 130 offers larger image scale for smaller objects at 982mm.

Focal length 982mm
Focal ratio f/7.5
Image circle 44mm

Optical performance:

Off-axis distance [mm] 0 15 22
RMS-spot diameter (micron) 2.0 15 30
Relative illumination [%] 100 80 65

The EXQ-1.6x is well suited to be used with the FSQ-130 for greater image scale. Stars produced by the EXQ are small.

Extender-Q 1.6x

Focal length 1043mm
Focal ratio f/8
Image circle 44mm

Optical performance:

Off-axis distance [mm] 0 15 22
RMS-spot diameter (micron) 4.0 8.0 10.0
Relative illumination [%] 100 75 58



Optional Accessories

  • 7x50 finderscope (TKA00552)
  • Finderscope bracket (TKA00563)
  • Dual ring tube holder (TKA27420T)
  • TMP02300 Accessory Plate M-Type (TMP02300)
  • Reducer QE 0.73x for FSQ130ED FSQ106EDX3 / FSQ-85EDX (TKA36580)
  • Extender Q 1.6x for FSQ-106EDX3 (TKA36595)
  • Wide T-mount for Canon EOS DSLR (TKA01251)
  • Wide T-mount for Nikon DSLR (TKA01255)


In the Box

  • FSQ-130ED OTA
  • Built-in 5" 7:1 focuser
  • CAA Coupling ring , camera angle adjuster , coupling ring , eyepiece adapter 50.8mm , 50.8mm extension tube (L)
  • 50.8mm sleeve (13), coupling (s) (14), 31.7mm eyepiece adapter

FSQ-130ED Photo Visual System Chart

FSQ-130ED Reducer System Chart

FSQ-130ED Extender System Chart



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