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Search results for 'astronomy filters planetary-filters celestron-lunar-and-planetary-set-31-8mm-1-25'

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  1. TS 8" f/12 Cassegrain telescope with fused Quartz mirror and only 33% obstruction - the ideal alternative to a Schmidt-Cassegrain

    • Aperture 8" - 203 mm
    • Focal length 2436 mm
    • F-ratio f/12
    • Large illuminated image field with 45 mm diameter
    • Hyperbolic secondary mirror and parabolic primary mirror made of Quartz glass for stable focus position
    • 99% reflection on primary and secondary mirror for an even brighter image
    • Quick temperature adaption due to open design
    • Pure reflective system without Schmidt plate or meniscus lens - fully suitable for Infrared
    • Only 33 % linear obstruction - very well suited for visual astronomy
    • 2" MONORAIL focuser with micro-gear reduction and 1.25" reduction are included
    • M90 extension tubes for trouble-free focusing with almost any accessories included
    • Internal baffles for higher contrast
    • Losmandy style dovetail and Vixen/EQ5 style dovetail for trouble-free adaption to all popular mounts
    • Finder-scope shoe is also included
    • Very economically priced, compared with other classical Cassegrains

  2. Manual filter replacement within a few seconds whilst taking up minimal space - the light alternative to a filter wheel

    • Telescope-sided connection: M48 female thread - M48x0,75
    • Camera-sided connection: T2 male thread - M42x0,75
    • Includes one holder for a 2" filter
    • Thickness: only 16.45mm!
    • Width: 66mm (diagonal is around 93mm)

      OUT OF STOCK  

    • 4 filters L-RGB
    • Ultra high contrast impermeable RGB-Filter, IR-blocked
    • NO halos, NO reflections, NO ghosting
    • non-ageing sealed coating edges

    • 4 filters L-RGB
    • Ultra high contrast impermeable RGB-Filter, IR-blocked
    • NO halos, NO reflections, NO ghosting
    • non-ageing sealed coating edges

    • 2" ClickLock Diagonal Mirror
    • Oversized 2 "dielectric lamda / 10 levels with 112mm optical length
    • Mirror repels UV and IR radiation, provides high security at the solar observation in white light and with Ha-sun filters
    • Scratch-resistant, hard-coated mirror surface for safe cleaning, scratch-resistant even in extreme conditions
    • Baader 2" ClickLock clamp for ultrafast clamping action
    • Removable 2" Safety Kerf nosepiece

      OUT OF STOCK  

  3. The Sky-Watcher AZ5 is an easy to use, grab-and-go telescope mount for visual astronomy and daytime terrestrial observations.
    Constructed from cast aluminium and designed to attach small telescopes up to 9kg in weight, via a regular 45mm dovetail bar.

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Enjoy wide 82° views with Celestron Luminos Eyepieces
    • Retractable eyecup pops up when you need it, drops down when you don’t
    • Sturdy anodized aluminum barrels are threaded for filters
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on

    • Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes
    • 3-element apochromatic, fully multi-coated optics offer up bright, sharp images with excellent color correction
    • A rubber grip helps to avoid accidental drops
    • Barrel is threaded to accept standard 1.25” filters
    • A brass compression ring holds eyepiece firmly in place

    • The Celestron 2.5x Luminos Barlow increases the magnification of any 2” or 1.25” eyepiece by two and a half times
    • High-quality 4-element optics produce a flat field for sharp images that are free of extraneous color
    • Hard-anodized aluminum barrel is threaded to accept 2” filters
    • A brass compression ring holds eyepieces firmly in place, and large thumbscrews are easy to turn, even with gloves on
    • A 2” to 1.25” adapter is included.  Allows the use of both 2” and 1.25” eyepieces.

    • Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25” eyepiece
    • 3-element apochromatic, fully multi-coated optics offer up bright, sharp images
    • A rubber grip helps to avoid accidental drops
    • Barrel is threaded to accept standard 1.25” filters
    • A brass compression ring holds the eyepiece firmly in place

      OUT OF STOCK  

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters

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