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Takahashi TSA-120 O.T.A.
Takahashi TSA-120 O.T.A

Takahashi TSA-120 O.T.A.

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Your Price: CAD $5,898.04
Retail Price:CAD $6,139.00

Your Savings:CAD $240.96(4%)

Usually ships in 5-7 business days
Part Number:TTK12010

Choose Options or Accessories if Applicable

Extenders & Reducers
Flatteners & Correctors
Finder Scopes & Brackets
6X30 FINDERSCOPE [+CAD $219.00]
7X50 FINDERSCOPE [+CAD $459.00]
7X50 FINDERSCOPE (Yellow) [+CAD $459.00]
7x50 FINDER RETICLE ILLUMINATOR [+CAD $159.00]
6X30 FINDER BRACKET [+CAD $79.00]
6X30 FINDER BRACKET (Black) [+CAD $79.00]
7X50 FINDER BRACKET [+CAD $129.00]
7X50 FINDER BRACKET (E-180) [+CAD $129.00]
7X50 FINDER BRACKET (CCA-250) [+CAD $129.00]
FINDER QUICK RELEASE FQR-1 BLACK [+CAD $179.00]
FINDER QUICK RELEASE FQR-1 SILVER [+CAD $179.00]
FINDER QUICK RELEASE FOR FSQ85 [+CAD $159.00]
Tube Holders
Adapters
Eyepiece Accessories
Takahashi TSA-102S O.T.A. 
 

Tube Weight of the OTA is only 12.5lbs!

  • Second TSA triplet apochromat
  • Very high order of color correction
  • Compact design only 28” long collapsed
  • Long back focus 227mm [8.93”] to accommodate bino viewers and any 2” diagonal
  • Supplied with 2” and 1/1/4” accessories and extension tubes
  • Quick release finder bracket included
  • Knife edge baffles are standard for highest contrast

The TSA-120 is the second triplet apochromat in the TSA Series. Its superb color correction will provide high contrast images with pin point stars across the field.

The compact size of 28” allows the TSA-120 to be easily transported to remote sites.

The TSA-120 is a great scope for imaging. The TOA 35 flattener converts the 120 into an f/7.3 882mm flat field 2.6º instrument and the reducer changes it to an f/5.6 672mm

 

 

OPTICAL SPECIFICATIONS for the TSA-120 (Tube assembly only)

Aperture120mmø
Focal Length900mm
Focal RatioF/7.5
Optical DesignTriplet ED apo
CoatingBroad band multi-layer anti-reflection

Mechanical Specs

Diameter of main tube: 125mmø
Diameter of dew shield [sliding]: 713mm <-->[28”]
Weight of OTA7 kgs/15.4 lbs
Back focus: 227.5mm [8.93”]

TOA-35 Flattener

Focal Length882mm
Focal Ratiof/7.3
Optical performance 7 micron RMS-spot to 20mm off-axist
Image Circle: 40mmø
Image Field: 2.6ºø diameter

TOA-35 Reducer

Focal Length672mm
Focal Ratiof/5.6
Optical performance 4 microns RMS-spot on axis
6 microns 10mm off-axis
13 microns 20mm off-axis
40mmø/3.4º field



What's in the Box

  • Tube assembly
  • MEF fine focuser
  • Finder quick release bracket
  • 2” compression ring ocular adapter
  • 1 ¼” compression ring adapter w/ coupling
  • 2 ea. 72mm extension tubes
  • Metal focuser rear cover and 2” sleeve



Based on Astronomy magazine’s telescope "report cards",
scopes of this size and type generally perform as follows . . .

Terrestrial Observation: No
Lunar Observation: Great
Planetary Observation: Very Good
Binary and Star Cluster Observation: Very Good
Galaxy and Nebula Observation: Good
Photography: Yes
Terrestrial Photography: No
Lunar Photography: Yes
Planetary Photography: Yes
Star Cluster / Nebula / Galaxy Photography: Yes





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