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Borg

90FL Systems


  • 1,72500

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Specifications

90FL Basic OTA Set (6291)

Part # 6291
Description 90FL Basic OTA Set
Aperture 90mm Fluorite
Focal length 500mm
F-ratio 5.6
Lens configuration 2 elements in 2 groups
Coating Fully multi-coated
Physical length 440mm
Tube diameter 80mm
Weight 2.0kg
Filter 82mm (front cap)
Parts included 2591, 7101, 77491, 7790, 7835, 7508, 7509 & 7000
Notes
Price $1,725.00

 

90FL Feather Touch Focuser Set (90FTF20)

Part # 90FTF20
Description 90FL Feather Touch Focuser Set
Aperture 90mm Fluorite
Focal length 500mm
F-ratio 5.6
Lens configuration 2 elements in 2 groups
Coating Fully multi-coated
Physical length 400mm
Tube diameter 80mm
Weight 1.8kg
Filter 82mm (front cap)
Parts included 2591, 7803, FTF-BORGII & FTF-2020BCR
Notes
Price $2,195.00

 

90FL Series 80 Rack & Pinion Focuser Set (6672)

Part # 6672
Description 90FL Series 80 Rack & Pinion Focuser Set
Aperture 90mm Fluorite
Focal length 500mm
F-ratio 5.6
Lens configuration 2 elements in 2 groups
Coating Fully-multi-coated
Physical length 405
Tube diameter 80mm
Weight 2.0kg
Filter 82mm (front cap)
Parts included 2591, 7151, 7801, 9850 & 7504
Notes BORG rack & pinion focuser version. 2-inch opening & M57-thread.
Price $1,725.00

 

90FL F4 Astrograph Set (66900)

Part # 66900
Description 90FL F4 Astrograph Set
Aperture 90mm Fluorite
Focal length 360mm
F-ratio 4.0
Lens configuration 6 elements in 5 groups
Coating Fully multi-coated
Physical length 400mm
Tube diameter 80mm
Weight 1.9kg
Filter 82mm (front cap) & 48mm in front of reducer
Parts included 2591, 7151, 7801, 7835, 7872 & 7352
Notes
Price $1,995.00

 

90FL F4 Astrograph Set (69900)

Part # 69900
Description 90FL F4 Astrograph Set
Aperture 90mm Fluorite
Focal length 360mm
F-ratio 4.0
Lens configuration 6 elements in 5 groups
Coating Fully multi-coated
Physical length 400mm
Tube diameter 80mm
Weight 2.1 kg
Filter 82mm (front cap) & 48mm in front of reducer
Parts included 2591,7101, 7780, 7790, 7835, 7872
Notes No camera rotator included. More convenient to convert to visual configuration.
Price $1,995.00

 

90FL F4 Astrograph Set (M75 Helical Focuser) (69901)

Part # 69901
Description 90FL F4 Astrograph Set (M75 Helical Focuser)
Aperture 90mm Fluorite
Focal length 360mm
F-ratio 4.0
Lens configuration 6 elements in 5 groups
Coating Fully multi-coated
Physical length 385mm
Tube diameter 80mm
Weight 2.1 kg
Filter 82mm (front cap) & 48mm in front of reducer
Parts included 2591, 7875, 7051, 7026, 7801, 7507, 7352, 7872 & 7000
Notes
Price $2,295.00

 

90FL F4 Astrograph Set (Feather Touch Focuser) (90FTF4)

Part # 90FTF4
Description 90FL F4 Astrograph Set (Feather Touch Focuser)
Aperture 90mm Fluorite
Focal length 360mm
F-ratio 4.0
Lens configuration 6 elements in 5 groups
Coating Fully multi-coated
Physical length 400mm
Tube diameter 80mm
Weight 1.9kg
Filter 82mm (front cap) & 48mm in front of reducer
Parts included 2591, 7151, FTF-BORGII, FTF-M57, 7872, 7352 & 2 x 7085
Notes A set includes a pair of mounting rings.
Price $2,395.00

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