Sky-Watcher BKMAK 180 OTAW OTA (Skymax 180) Οπτικός σωλήνας MaksutovCassegrain
εως 36 δόσεις με πιστωτική κάρτα
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- 1. Αποστολή με ACS Courier
- 2. Αποστολές με μεταφορικές εταιρίες για ογκώδη αντικείμενα
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3. Παραλαβή από αυτόματο μηχάνημα BoxNow:
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4. Παραλαβή από το κατάστημα:
Λεωφ. Ελ. Βενιζέλου 73(πρώην Θησέως), Καλλιθέα
Συμπληρώστε τον ταχυδρομικό κωδικό για να λάβετε εκτίμηση τρόπου και κόστους μεταφορικών.
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BrandSky-Watcher
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Model / MPNBKMAK 180 OTAW OTA / SW-3006
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Product typeOptical Tube Assembly (OTA)
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Optical designMaksutovCassegrain (Skymax)
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Aperture (optical diameter)180 mm (reported true aperture ?182 mm)
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Primary mirror diameter?199 mm (reported in some specs)
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Focal length2,700 mm
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Focal ratiof/15
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Secondary mirror diameter?41 mm (reported)
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Central obstruction?23% by diameter (~5% area)
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Resolution (Dawes limit)?0.64"0.95" (sources vary)
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Rayleigh limit?0.78"
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Theoretical limiting magnitude?13.814
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Highest practical magnification360? (manufacturer) / ?400? (retail listings)
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Minimum practical magnification?26?
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Included eyepiece magnification?96? with supplied 28 mm (2700/28 ?96?)
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CoatingsRadiant Aluminum Quartz (RAQ) mirrors reported; MHTC corrector coatings; fully multi-coated optics (reported)
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ReflectivityPrimary/secondary ?94% (reported)
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GlassBK7 / borosilicate (reported)
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FocuserInternal focusing (primary mirror shift)
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Focuser output2" accessory system with 1.25" adapter included
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Diagonal2" 90° star diagonal (included in typical listings)
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Finder8?50 (manufacturer) or 9?50 (many retailers)
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Mount includedNo (OTA only)
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Mounting interfaceIntegrated dovetail / V-style rail
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Recommended mountEQ5-class or heavier for stable visual use; stronger mount recommended for astrophotography
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Tube diameter?216 mm (?21.6 cm)
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Tube length?50 cm (?58 cm including eyepiece connector, per different listings)
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Tube weight?7.57.8 kg (product weight)
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Packaged / shipping weight?1015 kg reported (packaging varies); common shipping figure ?15 kg
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Packaged dimensions?75 ? 30 ? 33 cm (reported)
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Color / finishManufacturer standard white/black finish (confirm with seller)
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Accessories typically included28 mm 2" LET eyepiece, 2" 90° star diagonal, 1.25" adapter, 8?50 or 9?50 finder, integrated dovetail
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Use casesLunar, planetary, double-star observation, high-resolution visual, compact DSO; astrophotography with suitable mount
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Safety noteNot for solar observation without a certified front-mounted solar filter
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EAN / GTIN5901691604742
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SKUWLONONWCRDHSC
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SeriesMaksutov Signature Series
Αξιολογήσεις
Περιγραφή
Τεχνικά Χαρακτηριστικά
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BrandSky-Watcher
-
Model / MPNBKMAK 180 OTAW OTA / SW-3006
-
Product typeOptical Tube Assembly (OTA)
-
Optical designMaksutovCassegrain (Skymax)
-
Aperture (optical diameter)180 mm (reported true aperture ?182 mm)
-
Primary mirror diameter?199 mm (reported in some specs)
-
Focal length2,700 mm
-
Focal ratiof/15
-
Secondary mirror diameter?41 mm (reported)
-
Central obstruction?23% by diameter (~5% area)
-
Resolution (Dawes limit)?0.64"0.95" (sources vary)
-
Rayleigh limit?0.78"
-
Theoretical limiting magnitude?13.814
-
Highest practical magnification360? (manufacturer) / ?400? (retail listings)
-
Minimum practical magnification?26?
-
Included eyepiece magnification?96? with supplied 28 mm (2700/28 ?96?)
-
CoatingsRadiant Aluminum Quartz (RAQ) mirrors reported; MHTC corrector coatings; fully multi-coated optics (reported)
-
ReflectivityPrimary/secondary ?94% (reported)
-
GlassBK7 / borosilicate (reported)
-
FocuserInternal focusing (primary mirror shift)
-
Focuser output2" accessory system with 1.25" adapter included
-
Diagonal2" 90° star diagonal (included in typical listings)
-
Finder8?50 (manufacturer) or 9?50 (many retailers)
-
Mount includedNo (OTA only)
-
Mounting interfaceIntegrated dovetail / V-style rail
-
Recommended mountEQ5-class or heavier for stable visual use; stronger mount recommended for astrophotography
-
Tube diameter?216 mm (?21.6 cm)
-
Tube length?50 cm (?58 cm including eyepiece connector, per different listings)
-
Tube weight?7.57.8 kg (product weight)
-
Packaged / shipping weight?1015 kg reported (packaging varies); common shipping figure ?15 kg
-
Packaged dimensions?75 ? 30 ? 33 cm (reported)
-
Color / finishManufacturer standard white/black finish (confirm with seller)
-
Accessories typically included28 mm 2" LET eyepiece, 2" 90° star diagonal, 1.25" adapter, 8?50 or 9?50 finder, integrated dovetail
-
Use casesLunar, planetary, double-star observation, high-resolution visual, compact DSO; astrophotography with suitable mount
-
Safety noteNot for solar observation without a certified front-mounted solar filter
-
EAN / GTIN5901691604742
-
SKUWLONONWCRDHSC
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SeriesMaksutov Signature Series