Penumbral Lunar Eclipse – Feb. 11, 2017

Some phase of this lunar eclipse is visible from most of the planet. All phases are visible in the region from the eastern parts of North and South America to Europe, Africa, and western Asia. The eclipse is “penumbral” because the moon misses the deepest part of the Earth’s shadows — the “umbra”. This also means it’s easy to miss the initial and later stages as the darkening is not as dramatic and it will lack the color-cast of an eclipse that includes passage through the umbra.

Eclipse map courtesy of Fred Espenak, NASA/Goddard Space Flight Center, from eclipse.gsfc.nasa.gov.

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NOW SHIPPING: New DeLite Focal Lengths!

DeLites with adjustable eyeguard in up-position.

Tele Vue is pleased to announce new DeLite focal lengths are now shipping!  Rounding out the series will be focal lengths of 13mm, 4mm, and 3mm. These new DeLites are of course parfocal with the current 18.2mm, 15mm, 11mm, 9mm, 7mm, and 5mm models. Continue reading “NOW SHIPPING: New DeLite Focal Lengths!”