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Item 25-48 van 62 in totaal item(s)

Reflector (Spiegel)

Obsession 18 inch dobson F4.5

Obsession 18 inch dobson F4,5 OBS_18 is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop merk: ObsessionTelescoop opening (van/tot): 300mm - 499mmTelescoop openingsverhouding (F): F4.5

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Refractor (Lens)

Askar SQA55 - 55mm F4.8 264mm Quintuplet Petzval Astrophotography APO

ASK_SQA55

€ 945,00

Quintuplet air-spaced SD glass Petzval astrograph, which can be used for astrophotography and daily photography. Aperture: 55mm Focal Length: 264mm Focal Ratio: F4.8 - F22 Illuminated and corrected field: 44mm Optical Design: Quintuplet Petzval (One piece of SD glass and one piece of ED glass) Dual speed focusing mechanism Dual rotating mechanism...

Autoguiding

Robtics Guide Scope 40mm F3.3 with ED glass, dovetail and carbon tube

ROB_GS40F3.3

€ 165,00

Robtics Guidescope 40mm F3.3 with ED glass, dovetail and carbon tube Diameter: 40mm Focal length: 130mm Focal ratio: F3.3 Objective lens type: Three piece ED (2+1) Image circle size: 1/2.7 Angle: 2.96 degree Internal double clamp rings External T-thread

Autoguiding

Askar Guide Scope 32mm F4 - Black

ASK_GS32B

€ 139,00

Guide Scope All-metal design Standard Finder Shoe connection Aperture: 32mm Focal length: 128mm Focal ratio: F4 Weight: 300 gram Helical focuser 20 mm travel T2 (M42x0.75) and 1.25" connections Black

Refractor (Lens)

Askar FRA400 72mm F5.6 400mm quintuplet astrograph OTA

ASK_FRA400

€ 1.315,00

The Askar FRA400 is a 72 mm F5.6 (400mm) quintuplet astrograph which has adopted a modern optical triplet design with 2 ED lenses and a 2 ED element flattener that gives a flatfield of 44 mm.

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Autoguiding

Askar 52mm Super ED Guide Scope - Silver

ASK_GS52SED-S

€ 349,00

Multifunctional 52mm Guide Scope with SD glass. Optical design: doublet with one SD element Usable for photographic and visual use Aperture: 52mm Focal Length: 249mm Focal Ratio: F4.8 Weight: 740g Integrated helical focuser with 25mm travel Universal finder slot base and 1/4" and M4 threaded holes for easy attachment Included adapters: 1.25" adapter, M42...

Reflector (Spiegel)

Obsession 18 inch UC (Ultra Compact) dobson F4.2

OBS_18UC

Obsession 18 inch UC (Ultra Compact) dobson F4.2 OBS_18UC is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop serie: Ultra Compact (UC)Telescoop merk: ObsessionTelescoop opening (van/tot): 300mm - 499mmTelescoop...

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Refractor (Lens)

Askar SQA70 - 70mm F4.8 336mm Quintuplet Petzval Astrophotography APO

ASK_SQA70

€ 1.895,00

High-quality quintuplet air-spaced SD glass Petzval Astrograph. Aperture: 70mm Focal Length: 336mm Focal Ratio: F4.8 Format specification: Full Frame Optical Design: Quintuplet Petzval APO (Two pieces of SD glass) Dual speed focusing mechanism Rotating mechanism Internal 2" filter thread Extractable dew-shield Weight: 2.68 kg Carrying oxford cloth case

Refractor (Lens)

Askar FMA180 F180mm/4.5 Astrograph Lens - D40mm F5.5 triplet APO with triplet F4.5 full...

ASK_FMA180

€ 445,00

ASKAR FMA180 objective lens features Triplet air-spaced APO design including two pieces of ED (extra-low dispersion) glass, providing excellent correction of chromatic aberration which lays the foundation for high quality astrophotography and observation. The Askar FMA180 has an aperture of 40mm, a focal length of 220mm and a focal ratio of f/5.5....

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Catadioptrisch

Sharpstar 15028HNT-AL 150mm F2.8 Hyperbolic Newtonian Astrograph - Aluminium OTA

SS_15028HNT-AL

€ 2.275,00

Sharpstar 15028HNT-AL 150mm F2.8 Hyperbolic Newtonian Astrograph Aperture size: 150mm Focal length: 420mm Focal ratio: 2.8 Corrector: three-element air-spaced lens (one ED element) Image circle: 44mm Field of view: 6 degree Tube material: aluminium Net weight:4.8kg Gross weight: 6kg (including the dew cap, tube rings, handle and Losmandy-style dovetail...

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Refractor (Lens)

Askar SQA106 - 106mm F4.8 509mm Quintuplet Petzval Astrophotography APO

ASK_SQA106

€ 3.699,00

High-quality quintuplet air-spaced SD glass Petzval Astrograph. Aperture: 106mm Focal Length: 509mm Focal Ratio: F4.8 Fromat specification: Full Frame Optical Design: Quintuplet Petzval APO (Two pieces of SD glass) Dual speed focusing mechanism Rotating mechanism Internal 2" filter thread Extractable dew-shield Weight: 5.82 kg Carrying case

Autoguiding

Askar 52mm F4 Guide Scope - Black

ASK_GS52B

€ 230,00

Guide Scope All-metal design Standard Finder Shoe connection Aperture: 52mm Focal length: 208mm Focal ratio: F4 Weight: 631 gram Helical focuser T2 (M42x0.75) and 1.25" connections Black

Reflector (Spiegel)

Obsession 22 inch UC (Ultra Compact) dobson F4.2

OBS_22UC

Obsession 22 inch UC (Ultra Compact) dobson F4.2 OBS_22UC is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop serie: Ultra Compact (UC)Telescoop merk: ObsessionTelescoop opening (van/tot): 500mm en groterTelescoop...

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Reflector (Spiegel)

Robtics PN6F4 Photo-Newton 6 inch (15cm) F4 telescope OTA

ROB_PN6F4

€ 499,00

The Robtics 6 inch F4 Photo-Newton is a high quality mechanically built Newtonian Telescope with high quality optics offering amazing views of the night sky. With 6 inch aperture and 600mm focal length the Photo-Newton gathers 73% more light than a 114mm telescope. The Robtics PN6F4 is a great telescope for astrophotography as well as visual...

Refractor (Lens)

Sharpstar 71 mm SDQ F6.3 flatfield apo

SS_71SDQ

€ 845,00

Sharpstar 71 mm SDQ F6,3 flatfield apo 71Q is een Sharpstar telescoop uit de Robtics categorie Refractor (Lens) Telescopen.Specificaties:Telescoop systeem: Losse telescoopbuis (OTA)Telescoop type: Lenzentelescoop (Refractor), Apochromatische refractorTelescoop serie: SDQ, Series 6000Telescoop merk: SharpstarTelescoop opening (van/tot): 50mm - 99mm

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Refractor (Lens)

Askar 80ED - 80mm F7 doublet ED refractor OTA

ASK_80ED

€ 515,00

Doublet refractor with one ED element 80mm aperture 560mm focal length F7 focal ratio Dual speed rack and pinion focuser Reversible dew cap Telescope rings Vixen dovetail Carry handle Optional available: field flattener, 085x and 0.7x reducers

Reflector (Spiegel)

Robtics RC 10 inch F8 Ritchey-Chretien Telescope OTA

ROB_RC10

€ 2.725,00

Robtics RC 10 inch F8 Ritchey-Chretien telescoop OTA ROB_RC10 is een Robtics telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Losse telescoopbuis (OTA)Telescoop type: Ritchey Chretien (RC), AstrograafTelescoop merk: RobticsTelescoop opening (van/tot): 200mm - 299mmTelescoop openingsverhouding (F): F8

Refractor (Lens)

Askar FMA135 135mm f/4.5 APO flatfield Telephoto Lens (APCS format)

ASK_FMA135

€ 375,00

The ASKAR FMA135 is a 30mm ED triplet to deliver superb images. The 3 element flattener is designed for APCS format camera's and has a high quality for astronomical and terrestrial imaging. It also works as a finder/small telescope/guide scope.

Reflector (Spiegel)

Obsession 20 inch dobson F5

OBS_205

Obsession 20 inch dobson F5 OBS_205 is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop merk: ObsessionTelescoop opening (van/tot): 500mm en groterTelescoop openingsverhouding (F): F5

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Refractor (Lens)

Askar 120APO 120mm F7 840mm triplet APO OTA

ASK_120APO

€ 1.975,00

Askar APO series is dedicated to enabling more users to own a high-performance astrograph. The Askar 120APO is dedicated to enable more amateurs to own a high-performance astrograph and explore the mysteries of the universe to their heart's content without worrying about the price. The Askar 120APO has a triplet air-spaced APO lens design, including one...

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Autoguiding

Askar 52mm Super ED Guide Scope - Black

ASK_GS52SED-B

€ 349,00

-€ 403,00

Refractor (Lens)

Askar V - Seven-in-one telescope - 60mm and 80mm Reduced and Extended triplet APO...

ASK_V

€ 1.725,00 € 2.128,00

Askar V is a newly launched product concerning our customers' needs. It comes out with a big innovation, which means it has not only two objective lens (60mm and 80mm), but also three accessories (reducer, flattener, and extender). Users can choose and adapt accessories according to their needs in focal lengths. One telescope with these functionalities:...

Reflector (Spiegel)

Obsession 20 inch dobson F4

OBS_204

Obsession 20 inch dobson F4 OBS_204 is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop merk: ObsessionTelescoop opening (van/tot): 500mm en groterTelescoop openingsverhouding (F): F4

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Reflector (Spiegel)

Obsession 12.5 inch dobson F5

OBS_12.5

Obsession 12,5 inch dobson F5 OBS_12.5 is een Obsession telescoop uit de Robtics categorie Reflector (Spiegel) Telescopen.Specificaties:Telescoop systeem: Telescoop met monteringTelescoop type: Newton, Dobson telescoopTelescoop merk: ObsessionTelescoop opening (van/tot): 300mm - 499mmTelescoop openingsverhouding (F): F5

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