Optical filters

Lunar and planetary filters for visual observation as well as infra-red block filters, light pollution filters and high transmission filters for imaging.


U.K. WARRANTY

BEGINNER

OPTICS

VISUAL

ASTRONOMY

This neutral density filter reduces glare when observing the Moon with various size telescopes and under different magnifications, thus significantly increasing the level of detail.

  • Opticstar Filter Set A
  • set of 4 ● planetary ● glass ● aluminium cell ● 1.25"
  • In stock ● Despatch: 2 business days
  • £ 24.96 (Great Britain VAT-free)
  • £ 39.95 (original price)

U.K. WARRANTY

BEGINNER

OPTICS

VISUAL

ASTRONOMY

PHOTOGRAPHY

These colour filters bring out additional detail on the surface of planets that would otherwise be very difficult or impossible to see. Suitable for visual observation and imaging.

  • Opticstar Infra-Red Cut-Off Filter
  • Infra-Red ● glass ● 1.25" ● aluminium cell
  • In stock ● Despatch: 2 business days
  • £ 16.62 (Great Britain VAT-free)
  • £ 29.95 (original price)

U.K. WARRANTY

INTERMEDIATE

OPTICS

ASTRONOMY

PHOTOGRAPHY

This high-transmission filter excludes any IR wavelengths beyond H-alpha showing a very steep desirable curve. Suitable for imaging.