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JMI 10 Inch F/5 Parabolic Mirror Set

JMI 10 Inch F/5 Parabolic Mirror Set

$349.00

Out of stock

JMI 10 Inch F/5 Parabolic Mirror Set is perfect for your DIY telescope making project!  250mm parabolic mirror with an impressive 1250mm focal length.

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Description

JMI 10 Inch F/5 Parabolic Mirror Set

JMI 10 Inch F/5 Parabolic Mirror Set is perfect for your DIY telescope making project!  The 10″ 250mm parabolic mirror with an impressive 1250mm focal length is made with BK7 glass and has an enhanced aluminum reflective coating, with reflectivity at approximately 93%. The aluminum coating is properly protected with additional SiO2 coatings and includes a center spot.  

What is BK7 Glass?
BK7 is a barium borosilicate optical glass known for its high transmission and clean, clear appearance.  It is by far the most common material for many optical glass applications, because it offers good optical properties and a reasonable price.  It’s used often as a standard of comparison for other glass materials.

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Package Includes:

  • 10″ Parabolic Mirror

Product Specifications:

Nominal Aperture: 10″
Actual Aperture: 9.84″ / 250mm
Focal Length: 1250mm
Focal Ratio: F/5
Thickness of Primary: 35mm
Weight of Primary: 9.2 lbs
Secondary Aperture: 62mm
Weight of Secondary: 4.4 oz

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