TEX, Eyepiece, 1.25", 12.5mm, Illuminated, Skywatcher !

SWA-125ILLRET

7 in stock (check front page for last update time)
This multi-function guiding eyepiece features a laser-etched double crossline reticle with a built-in battery illuminator. The eyepiece is a multi-coated 12.5mm with an apparent field of view of 40å¡ . Battery included.
Brand: Skywatcher
Focal Length: 12.5mm
Apparent field of view: 40 deg.
Type: Plossl with Illuminated reticle
Eye Relief: 10mm
Fitting: Standard 1.25‰۝

The Focal Length of your Telescope will determine the Magnification & Field of View of the eyepiece, here are some common lengths as a guide:
500mm = 50x @ 0.8 deg.
600mm = 60x @ 0.67 deg.
700mm = 70x @ 0.57 deg.
800mm = 80x @ 0.5 deg.
900mm = 90x @ 0.44 deg.
1000mm = 100x @ 0.4 deg.
1200mm = 120x @ 0.33 deg.
1500mm = 150x @ 0.27 deg.
2000mm = 200x @ 0.2 deg.
2500mm = 250x @ 0.16 deg.



RRP$89


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