A.E.C.

 ASTRONOMY & ELECTRONICS CENTRE >> MAIN >> TAKAHASHI PRODUCT LISTING >> TAKAHASHI PRODUCT TECHNICAL DETAILS

 

This Website Designed for 1280 x 1024 Resolution

Takahashi Product Technical Details

Optical Assemblies  ...  Equatorial Mounts

FS-60 ... SKY-90 ... TSA-102 ... TSA-120 ... FSQ-106 ... FSQ-85 ... Mewlon Series ... TOA-130 ... TOA-150

FS-60Q (FS-60CB + Takahashi 1.7x CQ Module)

Type: Fluorite Quad Refractor Aperture: 60mm Focal Length: 600mm Focal Ratio: f/10 Tube Diameter: 80mm Tube Length 407mm (FS-60Q) / 280mm (FS-60CB)

SKY-90

Type: Fluorite Doublet  Refractor Aperture: 90mm Focal Length: 500mm Focal Ratio: 1 : 5.6 Resolving Power 1.29" Limiting Magnitude 11.5 Light Gathering 165x Effective Focal Length         w/Extender-Q 800mm      w/Reducer-Flattener 407mm Effective Focal Ratio        w/Extender-Q f/8.9      w/Reducer-Flattener f/4.5 Image Circle 45mm (w/Reducer-Flattener) Lens Shade Retractable Tube Length 370mm (w/Lens Shade Retracted) Tube Diameter 95mm Total Weight Main Tube 3.2kg

TSA-102N / S

Type: Triplet Super Apochromat Aperture: 102mm Focal Length: 816mm       w/Reducer: 610mm Focal Ratio: 1 : 8.0       w/Reducer 1 : 6.0 Resolving Power: 1.14" Limiting Magnitude: 12.0 Light Gathering Power: 212x Image circle :         w/35 Flattener: Ø 40mm       w/Reducer: Ø 50mm Photographic field :         w/35 Flattener: 2.8°       w/Reducer: 4.7° Main Tube Diameter: 114mm Main Tube Total Length: 890mm (790mm w/Lens Shade Retracted) Weight: ~ 5.4kg Finder Scope: 750 6.3°

TSA-120

Type: Triplet Super Apochromat Aperture: 120mm Focal Length: 900mm Focal Ratio: f/7.5 Coating Broadband multi-layer anti-reflection coatings       Mechanical Specifications Diameter of Main Tube 125mm Diameter of Dew Shield 160mm Length of Main Tube 990mm Weight of Main Tube 6.7kg       with TOA-35 Flattener Focal Length 882mm Focal Ratio f/7.3 Image Size 7 microns RMS-spot radius on axis 7 microns RMS-spot radius 10mm off axis 7 microns RMS-spot radius 20mm off axis Image Circle 40mm diameter (60% illuminated) Angle of Field 2.6°       with TOA-35 Reducer Focal Length 672mm Focal Ratio f/5.6 Image Size 4 microns RMS-spot radius on axis 6 microns RMS-spot radius 10mm off axis 13 microns RMS-spot radius 20mm off axis Image Circle 40mm diameter (60% illuminated) Angle of Field 3.4°

FSQ-106ED

Type: Flat-Field Advanced Petzval Quadruplet Aperture: 106mm Focal Length: 530mm Focal Ratio: f/5 Image Circle Ø 88mm Resolving Power 1.09" Limiting Magnitude 11.9 mag Light Gathering Power 229X Diameter of Main Tube 125mm Total Length of Main Tube 675mm (Lens-shade extended)  /  580mm (Lens-shade retracted) Weight of OTA 7.0kg (15.4lbs) with finderscope Finder Scope 7x50 6.3° (illuminator acceptable)       with Extender-Q 1.6x Effective Focal Length 850mm Effective Focal Ratio f/3.6 Image Circle Ø 44mm Photographic Field 9.4°       with Reducer-QE 0.73x Effective Focal Length 387mm Effective Focal Ratio f/3.6 Image Circle Ø 44mm Photographic Field 6°

FSQ-85EDX

Type: Petzval 4-element flat-field Aperture: 85mm Focal Length: 450mm Focal Ratio: f/5.3 Image Circle Ø 44mm (70% illuminated) Photographic Field 5.6° Back Focus 22mm Tube Diameter 95mm Diameter of Focuser 80mm Draw Tube Stroke 42mm Length of  Main Tube 645mm (Dew shield extended)  /  533mm (Dew shield retracted) Weight of OTA 3.9kg (8.5lbs) Finder Scope 6x30 8°       with Extender-ED 1.5x Effective Focal Length 680mm Effective Focal Ratio f/8.0 Image Circle Ø 44mm (70% illuminated) Photographic Field 3.7° Metal Back 117.5mm       with Reducer-QE 0.73x Effective Focal Length 328mm Effective Focal Ratio f/3.86 Image Circle Ø 40mm (70% illuminated) Photographic Field 7° Metal Back 72.2mm

MEWLON-180

Type: Dall-Kirkham Cassegrain Aperture: 180mm Focal Length: 2160mm Focal Ratio: 1 : 12

MEWLON-210

Type: Dall-Kirkham Cassegrain Aperture: 210mm Focal Length: 2415mm Focal Ratio: 1 : 11.5

MEWLON-250

Type: Dall-Kirkham Cassegrain Aperture: 250mm Focal Length: 3000mm Focal Ratio: 1 : 12

MEWLON-300

Type: Dall-Kirkham Cassegrain Aperture: 300mm Focal Length: 3572mm Focal Ratio: 1 : 11.9

EPSILON-180ED

Type: Hyperbolic Flat-Field Astrograph Aperture: 180mm Focal Length: 500mm Focal Ratio: 1 : 2.8

CN-212

Type: Newtonian-Cassegrain Aperture: 212mm Focal Length: Cassegrain 2630mm, Newtonian 820mm Focal Ratio: Cassegrain 1 : 12.4, Newtonian 1 : 3.9

TOA-130S / F

Type: Triplet Apochromat Refractor Aperture: 130mm Focal Length: 1000mm Focal Ratio: 1: 7.7

TOA-150

Type: Triplet Apocromat Refractor Aperture: 150mm Focal Length: 1100mm Focal Ratio: 1 : 7.3

BRC-250

Type: Baker Ritchey-Chretien Cassegrain Aperture: 250mm Focal Length: 1268mm Focal Ratio: 1 : 5.1

MT-300 & EM-2500 Mount

Type: Newtonian Reflector Aperture: 300mm Focal Length: 1750mm Focal Ratio: 1 : 5.8 Finder Scope: 11 x 70 Length of Main Tube: 1586mm Diameter of Main Tube: 390mm Weight of OTA: Approx 86kg     EM-2500 Type: German type, all electrically driven with go-to system built-in Polar Axis Azimuth: adjustable +/-3 degrees Elevation: adjustable +/-1 degree Motor Drive System Sun/Star switchable R.A. correction speed 110% - 190% High speed: +/-400x Dec. correction speed 90% - 10% High speed : +/-400x Tracking accuracy Less than +/-5 sec. Setting circle R.A. increment by 10 sec. Dec. increment by 1 minute Loading capacity Max. 70kg Power source 100V AC Weight Approx: 450kgs (main unit 350kgs, Pier-stand 100kgs)

FCT-250 & EM-3500 Mount

Type: Fluorite Triplet Apochromat Aperture: 250mm Focal Length: 2500mm Focal Ratio: 1 : 10 Finder 11x70 Length of tube ass'y 3050mm Diameter of main tube 300mm Weight of tube ass'y Approx. 120kgs     EM-3500 Type German type, all electrically driven with go-to system built-in Polar axis Azimuth: adjustable +/-3 degrees Elevation: adjustable +/-1 degree Motor drive system Sun/Star switchable R.A. correction speed Speed-up: 105% - 200% Slow-down: 95% - 5% High speed : +/-700x Dec. correction speed 0%-100% stepless High speed : +/-700x Tracking accuracy Less than +/-5 sec. Setting circle R.A. increment by 10 second Dec. increment by 1 minute Loading capacity Approx. 150kgs Power source AC 100V Total weight Approx. 820kgs: 520kgs (main unit), 300kgs (pier-stand)

 

 

 

 

Return To Top of Page

* * * * * * * * * * * * *