$Vixen SD81SII Super ED Refractor Telescope$

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Description

Vixen SD81SII Super ED Refractor TelescopeDescription Vixen's standard "photo visual" SD apochromatic refractor with a handy focal length of 625mm. Vixen SD apochromatic refractors feature "Super extra low Dispersion" optical glass in its objective lens. The SD81SII has a ring spacer around the objective lens to make the diffraction pattern of stars visible equally for more refined star images in astrophotography. With the use of an SD reducer HD kit or SD Flattener HD kit, the image circle

the telescope comes with two Plössl eyepieces that produce magnifications of 19x and 51

AR102 Telescope

the Explore Scientific EXOS2-GT with PMC-Eight mount is an excellent choice for the visual astronomer as well as a first-rate economical option for astrophotography

6x24 viewfinder

heavily light-polluted skies

Magnifications: 40x-600x

and the reticle includes markings for both northern and southern hemisphere alignments

A Wynne type 3-element in 3-group design

Her love of travel and different cultures has inspired her to live

9% per lens surface

which is a European standard

This extension tube enhances the performance of many telescopes for astrophotography when more back-focus is required

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