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JMI Telescopes 8" Parabolic Mirror Set

B&H # JMMIRSET0860 Mfr # MIRSET0860
Usually ships in 7-10 business days

Availability Details

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Estimated arrival at B&H is 7-10 business days. An authorization for this product will be processed upon placing the order. You will be charged for this item at the time of Shipment.
PayPal Orders
PayPal orders will be charged when the order is placed.
International Orders
International orders will be charged when the order is placed.

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You Pay: $239.95
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Product Highlights
  • 8" Primary Aperture
  • 50mm Secondary Aperture
  • 1200mm Focal Length
  • SiO2 Protective Coating
  • Aluminum Reflective Coating
  • Diffraction Limited BK7 Glass
  • Approximately 93% Reflectivity
  • 1/16 Wave RMS Minimum

The 8" Parabolic Mirror Set from JMI Telescopes is a primary and secondary mirror set for do-it-yourself telescope projects. Both elements have been precisely designed and engineered to meet exacting specifications at the Guan Sheng Optical factory. The primary and secondary mirrors are constructed of diffraction limited BK7 glass and feature an aluminum reflective coating and a SiO2 protective coating.

BK7 Glass
BK7 is a barium borosilicate optical glass known for its high transmission and clean, clear appearance.
Primary / Secondary Set
This mirror set includes a 8" primary mirror and 50mm secondary mirror, delivering a 1200mm focal length and f/6 light gathering ability.
Aperture Primary: 8" / 203 mm (nominal); 7.87" / 200 mm (actual)

Secondary: 2" / 50 mm

Focal Length 1200 mm
Focal Ratio f/6
Thickness 25 mm (primary)
Weight Primary: 3.9 lb (1.8 kg); Secondary: 2.4 oz (68 g)

Cleaning and Anti Fog

Show more >
Pearstone -  Microfiber Cleaning Cloth, 18% Gray (7 x 7.9")
  • You Pay: $4.99
 

System Enhancements

JMI Telescopes -  Primary Mirror Center Spot for 8"/10" GSO Mirrors
  • You Pay: $15.00
Usually ships in 7-10 business days i This is a Special order item. Est. arrival at B&H is 7-10 business days (subject to availability). Your order will be charged at time of shipment.
 
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