Add review for TeleVue Paracorr Photo Lens Assembly PLA-2001

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PLA-2001 TeleVue Paracorr Photo Lens Assembly PLA-2001 TeleVue Paracorr Photo Lens Assembly 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 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!...  

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Add review for TeleVue Paracorr Photo Lens Assembly PLA-2001

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Rating scale:
Overall rating: 12345
Easy To Set Up: 12345
Features: 12345
Meets expectations: 12345
Usability: 12345
Value for your money: 12345
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