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Takahashi FSQ-85EDX, tube complete

Takahashi FSQ-85EDX, tube complete
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Price:  Please Call to Confirm the Price(Inc. 20% VAT)

Product Code:  TQE08500
Manufacturer:  Takahashi


With the success of short refractors and improvement of the performances of CCD and DSLR cameras, Takahashi introduces the FSQ-85ED, more itinerant than the FSQ-106ED model, and intended for deep-sky and wide field photographers.

The FSQ-85ED is based on the same ED glass Petzval quadruplet design as the FSQ-106ED model, but offering a focal length of 450mm and a photo field of 5.6而, which is ideal for photography. It is equipped with an oversized rack-and-pinion focuser and an independent camera angle adapter. An optional focal reducer is also available in order to transform the refractor into a true astronomical teleobjective with a focal length of 328mm and with a focal ratio of 3.9, providing a field of view of 7而 and a 40mm image circle.

Weighting only 4kg without accessories, you will not need a heavy mount. It becomes easy to take pictures of the deep-sky while transporting your telescope under the best skies.

The FSQ-85ED modified Petzval quadruplet design is the same as the FSQ-106ED one. It has a built-in flattener inside the optical tube, offering a field of 5.6而, essential for taking quality pictures. It is thus not necessary to add any other optional accessory. With a focal length of 450mm, the image circle is 44mm width. The addition of a 0.73x focal reducer makes it possible to change the focal ratio from 450mm (F/5.3) into 328mm (F/3.9). It then becomes a true teleobjective for the deep sky.

The FSQ-85ED is equipped with an oversized rack-and-pinion focuser, just like the 106ED. However, the camera angle adjuster has been taking apart from the focuser to come back to a more traditional position where accessories are screwed on focuser tube.
The rack-and-pinion has been oversized on purpose to gain in precision and effectiveness. This focuser is a model of precision. It is driven by two focus wheels with a 1/7 microfocuser.

Although its design resolutely directs it towards astrophotography, the FSQ-85ED can be equipped with various accessories including those for observation. Please go to the system-charts section to see the different possible options. With a 220mm back focus, no matter which accessory you will pick up, you will have different choices of uses and assemblies.
The FSQ-85ED has a specific focal reducer (see the Accessories section) that deep-sky astrophotographers, wishing to have a very large field, will enjoy.

Packages:

Takahashi FSQ-85EDX OTA, tube only, with 50.8mm/31.75mm adapters

or

Takahashi FSQ-85EDX, tube complete:

Delivered with :

  • Takahashi FSQ-85EDX, tube only, with 50.8mm/31.75mm adapters
  • 6x30 finder scope
  • Finder bracket
  • Tube holder with auxiliary plate
Spec.FSQ-85ED
Optical designModified Petzval quadruplet apochromat
Aperture85mm
Standard
Focal length450mm
Focal ratioF/D 5,3
Resolution1,5"
Limiting magnitude11,6
Light grasp178x
Image circle44mm
Photo field5,6而
Back focus197,5mm
With Reducer-QE 0.73x
Focal length328mm
Focal ratioF/D 3,86
Image circle40mm
Photo field7而
Metal back72,2mm

 

Spec.FSQ-85ED
Tube length (min/max) w/ standard accessories553mm-645mm (retracted dew shield/extended dew shield)
Tube diameter95mm
Rack-and-pinion tube diameter80mm
Tube weigth4 kg

 

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