Pentax EYEPIECE 7 smc XW Astronomical

Designed for use with a wide range of telescopes and PENTAX brand spotting scopes, the XW 7.0 Eyepiece is a clear choice for ground and astronomical applications.With unsurpassed optical clarity and a short focal length, the XW 7.0 offers a 70 degree field of view for easier viewing. All of Pentax eyepieces are constructed with a high-refraction, low-dispersion lanthanum glass that consistently delivers bright, high-resolution images with minimal distortion. In addition, all XW series eyepieces are built to JIS Class 4 weather-proof standards which increases their durability in less than ideal conditions. Designed for use with a wide range of telescopes and PENTAX brand spotting scopes, the XW series eyepieces are a clear choice for ground and astronomical applications.Additional Specifations:

·Lens Structure: 8 elements, 6 groups

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·Focal Length: 7mm

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·Apparent Field of View: 70 degrees

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·Attachment Diameter: 1.25" (31.7mm)

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·Filter Diameter: 28.6mm

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·Field Stop Diameter: 8.8mm

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·Eyepiece Ring: Helicoid type

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·Height & Width: 4.7" x 2.4"What's in The Box:

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·XW 7.0 (1-1/4" dia.) Eyepiece

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·Lens Cap

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·Tube Cap

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