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Explore Scientific Fokal Extender - Barlow Lens to Increase The Focal Length for Telescopes

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US$119.99 cheaper than the new price!!

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Product details

Management number 221804394 Release Date 2026/05/03 List Price US$80.00 Model Number 221804394
Category

With teleextenders it is possible to extend the effective focal length of a telescope system, resulting in higher magnification for the observation of the moon, the planets or small Deep-Sky objects with the same eyepieces. So you can use the advantages of eyepieces with longer focal length - such as the bigger eye distance and the more relaxed observing comfort - at high magnifications also.These teleextenders incorporate a telecentric optical design that deliveres a excellent image sharpness over the whole field of view and are premium choices for visual observations and astrophotography. The combination of excellent fully multicoating with superior optical design makes the Focal Extenders superior to classic Barlow lenses.]]>

  • Four-lens telecentric teleextender 2x
  • Multiplying the effective focal length by: 2x
  • Fully multicoated design with four lenses
  • Telecentric optical design for excellent sharpness
  • All lens edges blackened for maximum contrast
Brand Explore Scientific
Mount Altazimuth Mount
Coating Fully Multi-Coated
Focus Type Manueller Fokus
Model Name Explore Scientific 0218750 2x 31.7mm Fokal Extender
Zoom Ratio 2:1
Finderscope Reflex
Item Weight 0.35 Kilograms
Manufacturer Explore Scientific
Model Number 0218750
Power Source Battery Powered
Field Of View 0.5 Degrees
Compatible Devices Telescope
Additional Features High quality multi-layer telecentric optics
Exit Pupil Diameter 0.02 Millimeters
Focal Length Description The focal length description cannot be provided as a single number because it depends on the focal length of the lens the product is used with, but the focal length of the product is double that of the lens it is used with. centimeters
Manufacturer Part Number 0218750
Item Dimensions D x W x H 1.89"D x 3.94"W x 3.94"H
Eye Piece Lens Description Barlow
Global Trade Identification Number 04007922036175

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