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Telescope & Microscope Accessories

Telescope Accessories

Orion 5657 2-Inch UltraBlock Narrowband Eyepiece Filter

R 3,559

or 4 x payments of R889.75 with Payflex

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Availability: Currently in Stock

Delivery: 10-20 working days

Orion 5657 2-Inch UltraBlock Narrowband Eyepiece Filter
- The Orion UltraBlock is the ideal eyepiece filter for deep-sky observers located at highly light-polluted sites
- Narrowband filter blocks all forms of light pollution
- Enhances the presence of a significant number of fainter deep-sky objects
- Compatible with threaded Orion 2" eyepieces. Metal filter cell construction.
- Save yourself a trip to dark skies - with the UltraBlock filter you can enjoy the stars from the suburbs!
The UltraBlock is the filter for deep-sky observers located at highly light-polluted sites. Blocks all forms of light pollution - mercury vapor and sodium emission bands - while passing the critical hydrogen-beta and ionized oxygen wavelengths. With an UltraBlock, emission and planetary nebulas surface from the washed out background sky. In dark skies, the UltraBlock also enhances the sky presence of a significant number of fainter deep-sky objects over unfiltered and wideband-filtered views.
Country USA
Binding Electronics
Brand Orion
EAN 0759270056575
Label Orion
Manufacturer Orion
Model 5657
MPN 5657
PartNumber 5657
ProductTypeSubcategory filters
Publisher Orion
Studio Orion
ReleaseDate 0000-00-00

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