Tele Vue 19mm Early Wide Field "Smoothie" Japan (Circle NJ)
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The Tele Vue 19mm Early Wide Field "Smoothie" eyepiece from Japan is a vintage classic among astronomy enthusiasts, known for its unique features and optical performance. Here’s a detailed overview of this eyepiece:
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Focal Length: The eyepiece has a focal length of 19mm. This determines the magnification when used with a telescope.
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Apparent Field of View: The "Smoothie" series from Tele Vue is renowned for its wide apparent field of view, typically around 65 degrees. This wide field provides expansive views of the night sky, enhancing the observing experience.
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Eye Relief: These eyepieces are designed with comfortable eye relief, making them suitable for observers who wear glasses while observing. This is beneficial for extended viewing sessions without discomfort.
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Optical Design: The "Smoothie" eyepieces feature high-quality optics that provide sharp and well-corrected views across the entire field of view. They minimize aberrations and distortions, delivering excellent contrast and detail.
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Build Quality: Tele Vue eyepieces are known for their precision craftsmanship and durability. The "Smoothie" series, despite being older models, maintains high standards of build quality and optical performance.
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Usage: The 19mm focal length offers versatile magnification suitable for observing a wide range of celestial objects. It is particularly useful for viewing star clusters, nebulae, galaxies, and providing medium magnification views of planets and the Moon.
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Compatibility: Ensure compatibility with your telescope’s focuser diameter (typically 1.25 inches or 2 inches) before purchasing. Tele Vue eyepieces are available in both 1.25-inch and 2-inch formats.