Takahashi 2-inch Eyepiece Holder for FS-60 and FS-78
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Takahashi 2-inch Eyepiece Holder for FS-60 and FS-78

£59.00✓ 2 year warranty

:  

Special shipped 7-10 working days.

About this product

Model:  tak_tfk21110
Part Number:  TFK21110

Takahashi 2" / 50.8 mm eyepiece holder for Takahashi FS-60 and FS-78 refractors.

Specifications

Spec. FS-60CB
Optical design Fluorite Doublet
Optical mounting Air spaced (Fluorite in front)
Optical coatings Fully Multi-Coated
Aperture 60mm
Standard
Focal length 355mm
Focal ratio F/5.9
Resolution 1.9"
Limiting magnitude 10.7
Light grasp 73x
Image circle NA
Photo field NA
Backfocus length 162.0mm
With flattener
Focal length 374mm
Focal ratio F/6.2
Image circle NA
Photo field NA
Backfocus length 56mm
With focal reducer
Focal length 264mm
Focal ratio F/4.4
Image circle NA
Photo field NA
Backfocus length 56mm
With C2X Extender
Focal length 710mm
Focal ratio F/11.8
Image circle NA
Photo field NA

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