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Plossl 25mm 1.25" OD (48x)52° field
Plossl 9mm 1.25" OD(133x) 52° field








GSO Crayford Focuser:


The focuser is the most "visible" part of any telescope with the exception of the optics themselves. You touch the focuser all the time, the focuser is responsible for holding your eyepieces or camera in position and moving them precisely into focus in the first place. This way ultra-precise focus motion is possible for both visual and particularly photographical applications.



The features: 

The finest focuser GSO manufacturer has to offer. It is far superior to most classic rack-and-pinion focusers:

No image shift when focusing

Large load capacity: Up to approx.2.5kgs with a firm friction setting



  • Include 35mm extension tube 1.25" OD



1. Smooth Focusing Action
The Crayford style focusing control makes achieving precise focus for visual observations and astrophotography a breeze and you will experience very smooth and precisely controlled focuser motion with zero backlash and zero image shift. 


2. High-Quality Construction and Features
CNC machined from aluminum and anodized black, this focuser comes with a base plate adapter to attach to reflector telescopes. The inner drawtube glides on 4 precision bearings and a roller shaft and provides. The inner barrel is baffled and painted a flat black to minimize reflections for maximum contrast.


3. Tension Adjustment and Focus-Lock
The focuser has two large thumbscrews on the underside. The thumbscrew on the telescope side can be used to lock the focuser, allowing the use of heavy accessories or cameras without fear or slippage or losing focus. The other thumbscrew on the eyepiece end can be used to adjust the tension of the focuser to achieve a focusing "feel" that you like. At the easiest (lightest) setting, the focuser moves extremely smoothly. At tighter settings, you can still use heavier accessories without sacrificing much of the smooth focuser action. GSO's rated load capacity for their Crayford focusers is about 2.5 kgs.








Eyepiece tray: A standard equipment eyepiece tray attaches to the side of the scope’s altazimuth base. It has cutouts to hold one 2” eyepiece and three 1.25” eyepieces.







Azimuth Roller Bearing:

A simple teflon friction bearing used by some other manufacturers (also by GSO in the past) offers a rather stiff motion that makes tracking at high magnifications difficult. This becomes particularly obvious when the telescope is pointed near the zenith so that the lever arm becomes very short. In this position tracking is almost impossible in some Dobsonians!

The new GSO Dobsonians have a modern industrial roller bearing for a very easy movement. Metal plates above and below the bearing prevent the rollers from sinking into the softer wood of the rocker box, so the movement will remain smooth even after years of use.





.


Suggested Accessories 



  • Baader Solar Filter (off-axis) Germany . . . . Rs.1,200

  • R-G Solar filter (USA) provide more pleasing and natural Yellow-Orange image of the Sun . . . . Rs 1560

  • Carry Bag for 6 inch Dobsonian OTA . . . . Rs 1,560


TELESCOPE SPECIFICATION



  • Optical Design: Newtonian reflecing Telescope

  • Primary Mirror 6 inch Parabolic 1/12 wave.

  • Precisely figured parabolic mirror - diffraction limited / BK7 94% enhanced coating

  • Diameter: 150mm

  • Focal Length 1200mm

  • Focal Ratio F/ 8

  • Highest Practical Power 360

  • Faintest Steller Magnitude 13.7

  • Resolving Power: 0.74 Arc - Seconds.

  • Focuser diameter 1.25" Precission Crayford style focuser". With 35mm Extensio Tube 1.25"

  • Eyepiece Standard 1.25" Premium Plossl 25mm (1.25") 52° field.

  • Premium Plossl 9mm (1.25") 52° field.

  • Magnification with eyepiece 48x & 133.3x

  • Finder: 6x30mm Fully multi-coated achromatic finder

  • Mount type: DOBSONIAN- wooden base.

  • Mirror Cell 3 points mirror cell

  • Accessories Tray Eyepieces tray

  • Total Height 52 inch

  • Tube length 45.25 inch

  • Stand height 27 inch

  • Base diameter 20 inch

  • Shipping Weight

    • Tube : Net weight - 9 Kg / Gross weight: 11 Kg

    • Stand: Net weight - 12Kg / Gross weight: 14 Kg



  • Shipping Carton Dimension

    • Tube : 32 x 40 x 128 cm3

    • Stand: 14 x 64 x 64 cm3




The following items are FREE with the telescope listed above.



  1. Sky Astronomy (Software) Level 1 and 2: CD

  2. Directional Compass

  3. starscope Anti-vibration pads.

  4. Micro Fiber (Anti-Static) Cleaning cloth + Optics Cleaning Fluid

  5. COLOUR POSTER 17.5" x 22.5 " one

  6. 110 Messier Object Locator A4 size front back colour print

  7. 109 Deep Sky CALDWELL Catalogue A4 size front back colour print

  8. Star Dial - Identifying Stars & Constellations

  9. Various Astronomical Post-Card (SET-3)

  10. Desiccant Cap - Refillable desiccant cap to protect fine optics

  11. Astronomical Telescope - user guide

  12. The Moon Map Poster B/W chart unfold to 22"x26"

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Star Tracker Dobsonian Telescopes | Night Watch 6 inch | Astronomical Telescope [40x to 360x] [ HSN 90058010

D=150 / F=1200mm Dobsonian F/8User level : Enthusiast



  • Optical Design: Newtonian reflecing Telescope

  • Primary Mirror 6 inch Parabolic 1/12 wave.

  • Precisely figured parabolic mirror - diffraction limited / BK7 94% enhanced coating

  • Diameter: 150mm

  • Focal Length 1200mm

  • Focal Ratio F/ 8

  • Highest Practical Power 360

  • Total Height 52 inch

  • Tube length 45.25 inch

  • Stand height 27 inch

  • Base diameter 20 inch


13 Useful Items FREE with this Telescope. See Details below.





Note - Shipping and Packing Charges Will be Extra for charges please call or Whatsapp on our number - 08879942022







SKU: TRM101603_A-P-TR-030
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Availability: Out of stock

Regular Price: Rs. 30,100.00

Now only: Rs. 26,990.00

Regular Price: Rs. 30,100.00

Now only: Rs. 26,990.00

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Details

Details

D=150 / F=1200mm Dobsonian F/8User level : Enthusiast

6x30 finderScope

powerful 6x30 finderscope, multicoated objective lens. This little telescope will show many objects in direct vision for easy location.

  • Finderscope bracket: The 6x30mm finderscope mounts in a quick release bracket that slips into a pre-installed metal mounting shoe nearer the focuser. The bracket is held in place in the mounting shoe by a single large hand-tighten knob that maintains the finder’s collimation, even if the finder is removed between observing sessions. The bracket has two hand-adjust collimation screws that work in conjunction with a third spring-loaded post in the bracket. This makes collimation faster than the traditional three- or six-screw collimation methods used with conventional finder brackets.


Optical Quality
The heart of any telescope is its optics. GSO produces parabolic primary mirrors of very high quality. It is our firm opinion that GSO offers better mirrors in this price range. We guarantee a diffraction-limited performance, which essentially means that the performance is limited by observing conditions and the laws of physics.


  • Primary mirror: 6” (150mm) diameter, 1200mm focal length, f/8 focal ratio with surface accuracy of 1/12 wave. The mirror is made of B270 “water white” optical crown glass that is free of internal stress and striae. B270 glass is equivalent to BK7 in performance and optical quality. The thermal stability of B270 glass is generally better than the soda lime float glass used for the mirrors of most reflectors in this reasonable price range. The mirror is ground and polished under computer control for guaranteed diffraction limited performance, coated with 94% reflectivity aluminum, and overcoated with a protective layer of silicon dioxide (quartz) for long life.
  • Primary mirror cell: Fully adjustable 3-point flotation system metal cell holds the primary mirror. The open frame of the cell allows the mirror to cool down to ambient temperatures quickly, so you can start observing sooner. Large hand-tighten color-coded push-pull collimation and collimation lock knobs make it easy to collimate the primary mirror with no tools required.
  • Diagonal mirror: 32mm m.a. B270 “water white” optical crown glass, coated with 91% reflectivity aluminum and overcoated with a protective layer of silicon dioxide (quartz) for long life.
  • Diagonal mirror support: Fully adjustable diagonal holder mounted on a low-diffraction four-vane thin spring steel spider.

Two eyepieces: 

Fully multicoated Premium plossl eyepiece1.25"
Plossl 25mm 1.25" OD (48x)52° field
Plossl 9mm 1.25" OD(133x) 52° field

GSO Crayford Focuser:

The focuser is the most "visible" part of any telescope with the exception of the optics themselves. You touch the focuser all the time, the focuser is responsible for holding your eyepieces or camera in position and moving them precisely into focus in the first place. This way ultra-precise focus motion is possible for both visual and particularly photographical applications.


The features: 

The finest focuser GSO manufacturer has to offer. It is far superior to most classic rack-and-pinion focusers:

No image shift when focusing

Large load capacity: Up to approx.2.5kgs with a firm friction setting

  • Include 35mm extension tube 1.25" OD

1. Smooth Focusing Action
The Crayford style focusing control makes achieving precise focus for visual observations and astrophotography a breeze and you will experience very smooth and precisely controlled focuser motion with zero backlash and zero image shift. 

2. High-Quality Construction and Features
CNC machined from aluminum and anodized black, this focuser comes with a base plate adapter to attach to reflector telescopes. The inner drawtube glides on 4 precision bearings and a roller shaft and provides. The inner barrel is baffled and painted a flat black to minimize reflections for maximum contrast.

3. Tension Adjustment and Focus-Lock
The focuser has two large thumbscrews on the underside. The thumbscrew on the telescope side can be used to lock the focuser, allowing the use of heavy accessories or cameras without fear or slippage or losing focus. The other thumbscrew on the eyepiece end can be used to adjust the tension of the focuser to achieve a focusing "feel" that you like. At the easiest (lightest) setting, the focuser moves extremely smoothly. At tighter settings, you can still use heavier accessories without sacrificing much of the smooth focuser action. GSO's rated load capacity for their Crayford focusers is about 2.5 kgs.

Eyepiece tray: A standard equipment eyepiece tray attaches to the side of the scope’s altazimuth base. It has cutouts to hold one 2” eyepiece and three 1.25” eyepieces.

Azimuth Roller Bearing:

A simple teflon friction bearing used by some other manufacturers (also by GSO in the past) offers a rather stiff motion that makes tracking at high magnifications difficult. This becomes particularly obvious when the telescope is pointed near the zenith so that the lever arm becomes very short. In this position tracking is almost impossible in some Dobsonians!

The new GSO Dobsonians have a modern industrial roller bearing for a very easy movement. Metal plates above and below the bearing prevent the rollers from sinking into the softer wood of the rocker box, so the movement will remain smooth even after years of use.

.

Suggested Accessories 

  • Baader Solar Filter (off-axis) Germany . . . . Rs.1,200
  • R-G Solar filter (USA) provide more pleasing and natural Yellow-Orange image of the Sun . . . . Rs 1560
  • Carry Bag for 6 inch Dobsonian OTA . . . . Rs 1,560

TELESCOPE SPECIFICATION

  • Optical Design: Newtonian reflecing Telescope
  • Primary Mirror 6 inch Parabolic 1/12 wave.
  • Precisely figured parabolic mirror - diffraction limited / BK7 94% enhanced coating
  • Diameter: 150mm
  • Focal Length 1200mm
  • Focal Ratio F/ 8
  • Highest Practical Power 360
  • Faintest Steller Magnitude 13.7
  • Resolving Power: 0.74 Arc - Seconds.
  • Focuser diameter 1.25" Precission Crayford style focuser". With 35mm Extensio Tube 1.25"
  • Eyepiece Standard 1.25" Premium Plossl 25mm (1.25") 52° field.
  • Premium Plossl 9mm (1.25") 52° field.
  • Magnification with eyepiece 48x & 133.3x
  • Finder: 6x30mm Fully multi-coated achromatic finder
  • Mount type: DOBSONIAN- wooden base.
  • Mirror Cell 3 points mirror cell
  • Accessories Tray Eyepieces tray
  • Total Height 52 inch
  • Tube length 45.25 inch
  • Stand height 27 inch
  • Base diameter 20 inch
  • Shipping Weight
    • Tube : Net weight - 9 Kg / Gross weight: 11 Kg
    • Stand: Net weight - 12Kg / Gross weight: 14 Kg
  • Shipping Carton Dimension
    • Tube : 32 x 40 x 128 cm3
    • Stand: 14 x 64 x 64 cm3

The following items are FREE with the telescope listed above.

  1. Sky Astronomy (Software) Level 1 and 2: CD
  2. Directional Compass
  3. starscope Anti-vibration pads.
  4. Micro Fiber (Anti-Static) Cleaning cloth + Optics Cleaning Fluid
  5. COLOUR POSTER 17.5" x 22.5 " one
  6. 110 Messier Object Locator A4 size front back colour print
  7. 109 Deep Sky CALDWELL Catalogue A4 size front back colour print
  8. Star Dial - Identifying Stars & Constellations
  9. Various Astronomical Post-Card (SET-3)
  10. Desiccant Cap - Refillable desiccant cap to protect fine optics
  11. Astronomical Telescope - user guide
  12. The Moon Map Poster B/W chart unfold to 22"x26"

Additional Info

Additional Info

Colour White
Product Name Telescopes
EAN/UPC Code No
Optical Zoom 360x
Aperture F/ 8
Brand Name Star Tracker

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