{"id":1444,"date":"2012-12-07T00:00:00","date_gmt":"2012-12-06T23:00:00","guid":{"rendered":"https:\/\/www.ganymedes.nl\/product\/celestron-cgem-ii-800-hd\/"},"modified":"2025-05-15T15:49:58","modified_gmt":"2025-05-15T13:49:58","slug":"celestron-cgem-ii-800-hd","status":"publish","type":"product","link":"https:\/\/www.ganymedes.nl\/en\/product\/celestron-cgem-ii-800-hd\/","title":{"rendered":"Celestron CGEM II 800 HD"},"content":{"rendered":"<p>Celestron CGEM II 800 HD<b><\/b><\/p>\n<p><strong>Algemene kenmerken<\/strong><\/p>\n<ul>\n<li>8 inch EdgeHD Optics.<\/li>\n<li>CGEM II Computer gestuurde Equatoriale montering.<\/li>\n<li>Celestron&#8217;s premium StarBright XLT coatings.<\/li>\n<li>9&#215;50 zoeker, als hulpmiddel om de objecten te vinden.<\/li>\n<li>Extra stevige 2 inch dikke stalen driepoot maat accessoire plaat.<\/li>\n<\/ul>\n<p><b>HD kenmerken<\/b><\/p>\n<ul>\n<li>Nieuw aplanatic Schmidt telescope ontwerp, welke een aberration-free beeld produceert over een heel breed gezichtsveld.<\/li>\n<li>Mirror tension locks houdt de primary spiegel op zijn plek en vermijd beeld verschuiving.<\/li>\n<li>Koeling ventilatoren welke de hete lucht achter de hoofdspiegel wegsluisen.<\/li>\n<li>Fastar compatible for fast f\/2 imaging.<\/li>\n<\/ul>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Optical Design: <\/b>EdgeHD Optics<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Opening: <\/b>203.2 mm<span class=\"small\"> (8 in)<\/span><\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Brandpunt: <\/b>2032 mm<span class=\"small\"> (80 in)<\/span><\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Focal Ratio: <\/b>10<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Zoeker: <\/b>9&#215;50<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Montering: <\/b>CGEM II Computerized Equatorial<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Optical Tube: <\/b>Aluminium<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Optical Coatings: <\/b>Starbright XLT Coating<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Oculair 1: <\/b>40 mm<span class=\"small\"> (1.57 in)<\/span><\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Vergroting 1: <\/b>51 x<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Star Diagonal: <\/b>1.25&#8243;<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Driepooot: <\/b>Adjustable, Stainless Steel<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>CD ROM: <\/b>NexRemote control software with RS232 cable<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Power Supply: <\/b>Car battery adapter<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Highest Useful Magnification: <\/b>480 x<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Lowest Useful Magnification: <\/b>29 x<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Limiting Stellar Magnitude: <\/b>14<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Eyepiece 1 Field of View: <\/b>0.84 \u00b0<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Light Gathering Power: <\/b>843 x<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Secondary Mirror Obstruction: <\/b>2.7 in<span class=\"small\"> (68.58 mm)<\/span><\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Secondary Mirror Obstruction by Area: <\/b>11.4 %<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Secondary Mirror Obstruction by Diameter: <\/b>33.8 %<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Resolution (Rayleigh): <\/b>0.69 arcsec<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Resolution (Dawes): <\/b>0.57 arcsec<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Gear: <\/b>Steel worm gear and 90mm pitch diameter brass worm wheel<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Motor Drive:<\/b>Low cog DC Servo motors with encoders, both axes<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Computer Hand Control: <\/b>Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Slew Speeds: <\/b>Nine slew speeds: 5 \u00b0\/sec, 2 \u00b0\/sec, 1 \u00b0\/sec, 64x, 16x, 8x, 4x, 1x, .5x<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Tracking Rates: <\/b>Sidereal, Solar and Lunar<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Tracking Mode:<\/b> EQ North and EQ South<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Alignment Procedures: <\/b>2-Star Align, Quick Align, 1-Star Align, Last Alignment, Solar System Align<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Software Precision: <\/b>24bit, 0.08 calculation<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Database: <\/b>40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Power Requirements: <\/b>12 VDC 1.5 Amp<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>GPS: <\/b>Optional CN16 Accessory<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Counterweights: <\/b>1 x 17 lb<\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Optical Tube Length<\/b>:17 in<span class=\"small\"> (431.8 mm)<\/span><\/div>\n<\/div>\n<div class=\"lineItem\">\n<div class=\"lineValue\"><b>Telescope Weight:<\/b> 88 lb<span class=\"small\"> (39.92 kg)<\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Celestron CGEM II 800 HD Algemene kenmerken 8 inch EdgeHD Optics. CGEM II Computer gestuurde Equatoriale montering. Celestron&#8217;s premium StarBright [&hellip;]<\/p>\n","protected":false},"featured_media":1445,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_vp_custom_popup_image":0,"_vp_format_audio_url":"","_vp_custom_thumbnail":0,"_vp_custom_thumbnail_focal_point":[],"_vp_hover_thumbnail":0,"_vp_hover_thumbnail_focal_point":[]},"product_brand":[],"product_cat":[39,24,27,28,148,159,117,41,23],"product_tag":[],"class_list":["post-1444","product","type-product","status-publish","has-post-thumbnail","product_cat-telescopen-catadioptrische-alle-catadioptrische-telescopen","product_cat-telescopen-alle-telescopen","product_cat-telescopen-astrofotografie-telescopen","product_cat-telescopen-catadioptrische-telescopen","product_cat-merken-celestron","product_cat-merken-celestron-cgem-ii","product_cat-merken","product_cat-telescopen-catadioptrische-schmidt-cassegrains","product_cat-telescopen","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Celestron CGEM II 800 HD - Ganymedes<\/title>\n<meta name=\"description\" content=\"Celestron CGEM II 800 HD. 8&quot; EdgeHD Optics. 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