Search results for 'astronomy filters planetary-filters celestron-lunar-and-planetary-set-31-8mm-1-25'
TS-Optics 8" f/12 Cassegrain 203/2436 mm
US$ 1,084.11TS 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
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
Baader L-RGB CCD-Filterset 2" (50.8mm)
US$ 431.33- 4 filters L-RGB
- Ultra high contrast impermeable RGB-Filter, IR-blocked
- NO halos, NO reflections, NO ghosting
- non-ageing sealed coating edges
Baader L-RGB CCD-Filterset 1.25" (31.8mm)
US$ 257.02- 4 filters L-RGB
- Ultra high contrast impermeable RGB-Filter, IR-blocked
- NO halos, NO reflections, NO ghosting
- non-ageing sealed coating edges
Baader 2" ClickLock Diagonal Mirror
US$ 265.91- 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
SkyWatcher AZ5 StarAdventurer Tripod
US$ 310.38The 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.Celestron Luminos 15mm Eyepiece
US$ 146.74- 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
Celestron Luminos 10mm Eyepiece
US$ 146.74- 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
Celestron Luminos 7mm Eyepiece
US$ 146.74- 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
Celestron Luminos 31mm Eyepiece
US$ 319.27- 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
Celestron Luminos 23mm Eyepiece
US$ 283.70- 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
Celestron Luminos 19mm Eyepiece
US$ 212.55- 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
Celestron Luminos 2" (50.8mm) 2.5x Barlow
US$ 176.98- 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
Celestron X-CEL LX 25mm Eyepiece
US$ 102.27- 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
Celestron X-CEL LX 18mm Eyepiece
US$ 102.27- 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
Celestron X-CEL LX 12mm Eyepiece
US$ 102.27- 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