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Home > Classifieds > Astromart Classifieds > Telescope - Refractor > Classified #241529

For Sale: VIXEN FLUORITE 102mm: sharper than a Tak!:: SOLD

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This is Vixen’s largest fluorite APO refractor. It is indeed sharper than a friend’s Takahashi FS102 in side by side tests. It gives superior star tests; out of focus diffraction rings are very similar on both sides of focus. At f/9, it also has a slight advantage in eliminating residual chromatic aberration and spherochromatism, the two major sources of “color error” in premium apochromatic lenses. In this respect, fluorites are noticeably superior to ED glass. This telescope also gives excellent results in the Ronchi test: very straight lines (10 line/mm grating).

It is several years old and has a few small scratches on the tube. These could probably be hidden by white touch-up paint, if you care. The glass is perfect and the focuser works very smoothly. The lens cap, 2” - 1.25” reducer, tube rings, and 6x30 finder with dovetail bracket are included; no mount. This OTA weighs less than 9 lbs. (4 kg), much lighter that other premium 4” APOs.

Experienced Vixen users know that their refractors have long been something of a bargain. They lavish considerable attention on finishing the optics to a high standard, even on their achromats. Their fluorites get even more attention. This example is the equal or better of any fluorite I have ever used in terms of fine optical figure. It stands out even among Vixen fluorites.

The list price on this setup is $2840; our friends at Anacortes sell new ones for $2365. That’s more than the other Japanese equivalent; but it is still a bargain if you demand the best possible images that a 4” can deliver. I need to pay for more aperture.

My price is $1495 + shipping. Why pay more? :::SOLD:::

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