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Kính thiên văn tổ hợp Takahashi Sky 90II – 3.5″ Fluorite APO


Kính thiên văn tổ hợp Takahashi Sky 90II – 3.5″ Fluorite APO

102,000,000 ₫

  • Light Grasp: 165x
  • Resolution: 1.30″
  • Image Circle: 45mmý w/reducer
  • Photo Field: 5.1 degree w/reducer

Features for the EM-11 Temma II, Jr. Mount

  • Drive System: Dual axes, quartz control, driving frequency: 100pps N/S, Star/Sun switching by hand controller
  • Useable Area: All over the world, but with limit for the latitude
  • High Speed Drive: 120X at DC12V, 250X at DC24V
  • Correcting Speed (Manual Operation): RA: 0.1 ~ 1.9x to the sidereal rate by 0.1X increments. Dec: +/- 1.5 ~ 13.5 arc sec/sec by 1.5 arc sec/sec increments
  • Mode Indicator: High speed operation – red light. Normal operation: green light
  • Power Source: DC12V or DC24V
  • Power Consumption: DC12V: 0.3/1.3A (1.7A) sidereal/high speed (start). DC24V: 0.3/1.9A (1.9A)
  • Operational Temperature: -5 ~ +30 degree C
  • Go-To Operation: By a PC or Takahashi hand controller (THC)
  • Go-To Disc: Pegasus 21
  • Accessory: RS232C cable or RJ-11 cable

Takahashi Sky-90 II 3.54″ f/5.6 APO Refractor Specifications

  • Optical Design: Apochromatic Fluorite Doublet Refractor
  • Aperture: 3.5″ (90mm)
  • Limiting Visual Magnitude: 11.5
  • Focal Ratio: f/5.56
  • Focal Length: 19.8″ (504mm)
  • Optical Tube Dimensions: 3.7″ X 14.5″ (95mm X 370mm)
  • Focuser Design: Rack & Pinion
  • Mount Type: German Equatorial
  • Drive System: Motorized with GoTo Capabilities
  • Weight – OTA: 7 lbs. (3.2 kg.)
  • Weight – Mount: 24.2 lbs. (11 kg.)
  • Counterweights: 1 – 7.7 lb. (3.5 kg.)
  • Optical Coatings: Fully Muli-Coated

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Một sản phẩm mới của hãng Takahashi, với trọng lượng nhẹ, dễ vận chuyển và thích hợp cho những chuyến đi dã ngoại. Cấu trúc kính tổ hợp giữa khúc xạ và phản xạ với chất lượng vượt trội, có tiêu cự là 504mm.

Kết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APOKết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APOKết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APO

  • Light Grasp: 165x
  • Resolution: 1.30″
  • Image Circle: 45mmý w/reducer
  • Photo Field: 5.1 degree w/reducer

Features for the EM-11 Temma II, Jr. Mount

  • Drive System: Dual axes, quartz control, driving frequency: 100pps N/S, Star/Sun switching by hand controller
  • Useable Area: All over the world, but with limit for the latitude
  • High Speed Drive: 120X at DC12V, 250X at DC24V
  • Correcting Speed (Manual Operation): RA: 0.1 ~ 1.9x to the sidereal rate by 0.1X increments. Dec: +/- 1.5 ~ 13.5 arc sec/sec by 1.5 arc sec/sec increments
  • Mode Indicator: High speed operation – red light. Normal operation: green light
  • Power Source: DC12V or DC24V
  • Power Consumption: DC12V: 0.3/1.3A (1.7A) sidereal/high speed (start). DC24V: 0.3/1.9A (1.9A)
  • Operational Temperature: -5 ~ +30 degree C
  • Go-To Operation: By a PC or Takahashi hand controller (THC)
  • Go-To Disc: Pegasus 21
  • Accessory: RS232C cable or RJ-11 cable

Takahashi Sky-90 II 3.54″ f/5.6 APO Refractor Specifications

  • Optical Design: Apochromatic Fluorite Doublet Refractor
  • Aperture: 3.5″ (90mm)
  • Limiting Visual Magnitude: 11.5
  • Focal Ratio: f/5.56
  • Focal Length: 19.8″ (504mm)
  • Optical Tube Dimensions: 3.7″ X 14.5″ (95mm X 370mm)
  • Focuser Design: Rack & Pinion
  • Mount Type: German Equatorial
  • Drive System: Motorized with GoTo Capabilities
  • Weight – OTA: 7 lbs. (3.2 kg.)
  • Weight – Mount: 24.2 lbs. (11 kg.)
  • Counterweights: 1 – 7.7 lb. (3.5 kg.)
  • Optical Coatings: Fully Muli-Coated
  • Một sản phẩm mới của hãng Takahashi, với trọng lượng nhẹ, dễ vận chuyển và thích hợp cho những chuyến đi dã ngoại. Cấu trúc kính tổ hợp giữa khúc xạ và phản xạ với chất lượng vượt trội, có tiêu cự là 504mm.

    Kết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APOKết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APOKết quả hình ảnh cho Takahashi 90 II - 3.5" Fluorite APO 90 II - 3.5" Fluorite APO

  • Light Grasp: 165x
  • Resolution: 1.30″
  • Image Circle: 45mmý w/reducer
  • Photo Field: 5.1 degree w/reducer
  • Features for the EM-11 Temma II, Jr. Mount

  • Drive System: Dual axes, quartz control, driving frequency: 100pps N/S, Star/Sun switching by hand controller
  • Useable Area: All over the world, but with limit for the latitude
  • High Speed Drive: 120X at DC12V, 250X at DC24V
  • Correcting Speed (Manual Operation): RA: 0.1 ~ 1.9x to the sidereal rate by 0.1X increments. Dec: +/- 1.5 ~ 13.5 arc sec/sec by 1.5 arc sec/sec increments
  • Mode Indicator: High speed operation – red light. Normal operation: green light
  • Power Source: DC12V or DC24V
  • Power Consumption: DC12V: 0.3/1.3A (1.7A) sidereal/high speed (start). DC24V: 0.3/1.9A (1.9A)
  • Operational Temperature: -5 ~ +30 degree C
  • Go-To Operation: By a PC or Takahashi hand controller (THC)
  • Go-To Disc: Pegasus 21
  • Accessory: RS232C cable or RJ-11 cable
  • Takahashi Sky-90 II 3.54″ f/5.6 APO Refractor Specifications

  • Optical Design: Apochromatic Fluorite Doublet Refractor
  • Aperture: 3.5″ (90mm)
  • Limiting Visual Magnitude: 11.5
  • Focal Ratio: f/5.56
  • Focal Length: 19.8″ (504mm)
  • Optical Tube Dimensions: 3.7″ X 14.5″ (95mm X 370mm)
  • Focuser Design: Rack & Pinion
  • Mount Type: German Equatorial
  • Drive System: Motorized with GoTo Capabilities
  • Weight – OTA: 7 lbs. (3.2 kg.)
  • Weight – Mount: 24.2 lbs. (11 kg.)
  • Counterweights: 1 – 7.7 lb. (3.5 kg.)
  • Optical Coatings: Fully Muli-Coated