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Unfortunately TeleVue Paracorr Visual PCV-2000 is no longer carried by OpticsPlanet.
You can also explore other items in the Telescope Accessories category yourself to try and find the perfect replacement for you!
TeleVue Paracorr Visual PCV-2000 was created by Al Nagler. TeleVue Paracorr Visual PCV-2000 provides new and improved way of coma correction.
Coma makes stars look like blurry comets whose tails point out radially from the center of the field. The faster your scope's speed, the worse the effect. All parabolic mirrors used in Newtonian reflecting telescopes are limited in field sharpness due to coma. Even a perfectly made 13" f/4.5 parabola has only about 0.1 degree diffraction limited field.
TeleVue Paracorr Visual is a universal corrector that tightens and intensifies star images on f-ratios from f/3.5 to f/8 without adding any false color or spherical aberration! You no longer have to constantly shift a Dobsonian to keep objects centered for sharp viewing. Using a TeleVue eyepiece, put M-13 at the edge of the field and enjoy resolving its beauty as it drifts across your view.
TeleVue Paracorr Visual fits 2" focusers, but takes both 2" eyepieces and 1 1/4" eyepieces with adapter (included). Also includes TeleVue Paracorr Tunable Top which allows the user to set the distance between the eyepiece's field stop and the Paracorr lens for optimum aberration control. TeleVue Paracorr Visual is threaded for 2" filters.