- Telescopes
- Overview:
Telescopes - Achromatic Refractor
- Apochromatic Refractor
- Overview:
Apochromatic Refractor - ED Refractor - less color aberration than an achromatic
- SD APO - color free 2-element APO objective
- EDT APO - 3 element ED objective
- High End APO with 3-element APO objective - no color aberation
- Flatfield APO with flat field for Astrophotography
- All Apos and EDs from all manufacturers - large overview
- TS APO and ED from Japan with high quality optics
- Overview:
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- Overview:
- Mounts Tripods Rings Rails Power Supply ...
- Overview:
Mounts Tripods Rings Rails Power Supply ... - Mounts Equatorial with GoTo
- Mounts Equatorial without GoTo
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- Mounts Azimutal without GoTo
- Mounts GoTo - Harmonic Drive
- Travel mounts for astro imaging
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- Overview:
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- Overview:
Telescope Accessories - Eyepieces
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- Overview:
- Filters
- Overview:
Filters - Color Filters and Color Filtersets
- Nebular Filters for Visual Observing
- Neutral-Density and Polfilter
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- Solar Filters for white light
- Solarfilter for H-Alpha and Calcium
- Overview:
- Adaptors
- Overview:
Adaptors - Adapter 1,25" and 24,5mm
- Adapter 2"
- Adapter T2 - M42x0.75
- Adapter M48x0,75
- Adapter M54
- Adapter SC
- Adapter M63
- Adapter M68
- Adapter to other Threads
- Adapter Extensions
- Adapter camera bayonet
- Adapter Objective Filterthread
- Adapter Quick Changing , Rotation
- Adapter Eyepiece Projection
- Adapters Tilting
- Overview:
- Astrophotography and Photography
- Overview:
Astrophotography and Photography - Cooled Cameras
- Cameras without Cooling
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- Set-Offers Camera, Filter, Wheels
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- Travel mounts for astro imaging
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- Overview:
- Binoculars, Spotting Scopes, Microscopes, Range Finders
- Overview:
Binoculars, Spotting Scopes, Microscopes, Range Finders - Roof Prism Binoculars
- Binoculars with Porro prisms
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- Overview:
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- Overview:
Books, Software - Books for Astronomy Beginners
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- Overview:
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- New products
manufacturers
H-Alpha, O-III, S-II, H-Beta Narrowband Nebular Filter for Astrophotography
By using nebula filters, a significant increase in contrast can be achieved and you can expose longer until the the background is lightened up through stray light.
Nebula filters let pass certain parts of light where deep-sky objects emit. On the other hand, the unwanted stray light of the cities is suppressed. That allows longer exposure times. You can record fainter objects and gain more information. Nebula filers can be used with DSLR and CCD cameras.
On this page, you can find mounted 2", SC threaded filter, filter with bigger thread and mounted filter for Meike drop in adapter.
narrowband nebula filters for strong increase in contrast and longer exposure times
filters for specific emission ranges like H-alpha, H-beta, O-II, S-II, for extreme gain in contrast and for false colour images
On this page, you can find mounted 2", SC threaded filter, filter with bigger thread and mounted filter for Meike drop in adapter.
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