Eyepieces - Filters

Eyepieces - Filters

Eyepieces - Filters

15 products - next page link at the bottom

Showing 1-15 of 179 item(s)

Active filters

  • Meade Series 4000 Plössl 9mm Illuminated Reticle Eyepiece (1.25"), wireless #07068. This special purpose eyepiece for guiding during long exposure astrophotography features high quality 4-Element, fully-coated Plössl optics and a fully illuminated double-crosshair, with two concentric targeting circles. For use with a Meade Off-Axis Guider.

  • Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

  • Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

  • Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

  • Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

  • Celestron designed this series with the finer points in mind so you, the user, can benefit from the features that make this series unique. The Omni is a 4 -element premium symmetrical Plossl optical design.

  • Baader Hyperion 13mm

    Price £125.00

    The Hyperion design has has both a 31.7mm (1.25") and 50.8mm (2") barrel for fitting into either size focuser or diagonal. Both barrel sizes have a safety groove for safe use in your telescope. Each Hyperion features Baader's PHANTOM-GROUP Multi-Coatings for maximum light transmission and the ultimate in image contrast. 

  • Planoptically Polished with Phantom Coating Group (PCG).

    The BAADER Fringe-Killer Filter minimizes unwanted blue fringing, comparable to a Minus-Violet-Filter, while retaining a very pleasing color balance.

    Please ensure you order the size you require - Available in 1.25 inch (31.7mm) or 2 inch (50.8mm)

  • Baader Hyperion 17mm

    Price £125.00

    The Hyperion design has has both a 31.7mm (1.25") and 50.8mm (2") barrel for fitting into either size focuser or diagonal. Both barrel sizes have a safety groove for safe use in your telescope. Each Hyperion features Baader's PHANTOM-GROUP Multi-Coatings for maximum light transmission and the ultimate in image contrast. 

  • All substrates fine optically polished. These filters by far supersede the mediocre quality of common `flame polished` colour filters. Fine optical polish and 2 mm thickness allows these filters to be inserted anywhere into the optical path without introducing astigmatism or other defects.

  • Baader Semi APO Filter

    Price £70.95

    Planoptically Polished with Phantom Coating Group (PCG).

    Baader's newest addition for Achromat owners. The Semi-APO works like it's name implies - delivering an amazingly neutral view, while cutting most of the annoying and contrast-robbing violet fringe that plagues all achromats.

    Please ensure you order the size you require - Available in 1.25 inch (31.7mm) or 2 inch (50.8mm)

  • Baader Hyperion 21mm

    Price £125.00

    The Hyperion design has has both a 31.7mm (1.25") and 50.8mm (2") barrel for fitting into either size focuser or diagonal. Both barrel sizes have a safety groove for safe use in your telescope. Each Hyperion features Baader's PHANTOM-GROUP Multi-Coatings for maximum light transmission and the ultimate in image contrast. 

  • Baader CCD-Filterset

    Price £235.00

    A new line of Baader LRGB filters now supplements the Baader narrowband emission line filters (H-beta/O III/H-alpha/S II)

    Please ensure you order the size you require - Available in 1.25 inch (31.7mm) or 2 inch (50.8mm)

  • Premium deep sky nebula filter from Baader Planetarium. Optically polished.

    The Baader UHC-S manages to improve on the contrast of the typical broadband or so-called "Deep Sky" filters.

    Please ensure you order the size you require - Available in 1.25 inch (31.7mm) or 2 inch (50.8mm)