Takahashi TOA-150 Tube assembly ONLY (Retractable Lens Shield)

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Takahashi TOA-150 Tube assembly ONLY (Retractable Lens Shield)

TOK15110
Enquiry Item
In the tradition of TOA-130, TOA-150 is the new addition to Takahashi's TOA line featuring 4" focuser and retractable lens shield.

Enquire for more information or email us specifics at sales@astro.com.sg.

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Takahashi TOA-150 (Retractable Lens Shield)

In the tradition of TOA-130, TOA-150 is the new addition to Takahashi\'s TOA line featuring 4\" focuser and retractable lens shield.

 

Includes

TOK15110 TOA-150B tube ass\'y OTA

 


TOA-150 Specifications

 

Type : Triplet apochromat
Aperture : 150mm
Focal length : 1100mm
Focal ratio : F/7.3
Resolving power : 0.77\"
Limiting magnitude : 12.7
Diameter of main tube : 178mm
Length of main tube : 1290mm w/dew shield extended
                                1110mm w/dew shield retracted
Weight of main tube : 20kg w/5kg tube counter-weight
Focuser : 4\" rack & pinion
Finder scope : 7x50 w/FQR-1 & reticle illuminator

 

With 35-flattener
Focal length : 1080mm
Focal ratio : F/7.2
Image circle : 40mm (60% illuminated)

 

With 67-flattener
Focal length : 1090mm
Focal ratio : F/7.3
Image circle : 90mm (60% illuminated)


With Reducer
Focal length : 860mm
Focal ratio : F/5.7
Image circle : 50mm (60% illuminated)

 

With Extender TOA 1.6x
Focal length : 1760mm
Focal ratio : F/11.7
Image circle : 40mm (60% illuminated)

 

 

 

Optical Tube Assembly
Effective Aperture
150mm
Optical Design
Triplet Ortho-Apochromat
Focal Length
1100mm
Focal Ratio
F/7.3
Tube Diameter
179mm
Tube Length
1110mm (1290mm extended)
Tube Weight
14.6 kg
Finder Scope
7x50, 6.3°
Resolving Power
0.77 arc sec
Limiting Magnitude
12.7
Light Collecting Power
459X

 

 

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