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FSQ-106 New “Q”
Flat-Field Super Quadruplet
The New “Q” is the redesigned successor to the very popular FSQ-106. This outstanding new design features the following:
- Generous back focus
of 178mm allows the user to attach a variety of imaging packages, bino
viewers, 2” diagonals and many other visual devices.
- The tube length of 16.7”allows the new “Q” to be highly
airline transportable. Even when the lens shade is extended the total
length is only 20.5”.
- The new ultra duty focuser with new camera angle adjuster/rotator will
carry a 5kg. [11 lb] and be able to handle the new large chip CCD cameras.
The 88mmø image circle produced by the new “Q”is 9.5°in
diameter. The newly designed Takahashi micro edge focuser is included
for precise focusing.
- The new optional reducer changes the focal ratio to f/3.6 for wide field
imaging produces a 6.5°field and a 44mmø image circle.
- The redesigned modified quadruplet double ED Petzval optics has been
optimized for imaging as well as visual applications.
- Color correction has been extended to 1000nm to produce non-bloated
imaged stars.
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Pricing and Purchasing Information
Product# FQK0106ED
Flat-Field Super Quadruplet FSQ-106 New “Q”
SPECIFICATIONS
Optical System Double ED Modified Petzval Quadruplet Effective Aperture 106mmø Focal Length 530mm Focal Ratio [Prime Focus] f/5.0 Image Circle [Prime Focus] 88mmø Usable Back Focus 178mm
Reducer
Effective Focal Length w/reducer 385mm Effective Focal Ratio w/reducer f/3.6 Image Circle 44mmø Metal Back Distance 72.2mm Extender-Q 1.6x
Effective Focal Length 850mm Effective focal Ratio f/8.0 Image Circle 44mmø Metal Back Distance 117.5mm Length of Main Tube Only 420mm [16.7”] Length of Main Tube Lens Shade 520mm [20.5”] Weight of Main Tube 6.8kgs. [15lbs.] Finder Scope [Optional] 7x50 6.3°
