{"id":4215,"date":"2014-11-02T00:11:23","date_gmt":"2014-11-01T15:11:23","guid":{"rendered":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/?p=4215"},"modified":"2014-11-02T06:11:45","modified_gmt":"2014-11-01T21:11:45","slug":"fsq-130ed","status":"publish","type":"post","link":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/?p=4215","title":{"rendered":"FSQ-130ED\u6765\u5e74\u767a\u58f2\uff1f"},"content":{"rendered":"<p>\u6d77\u5916\u30b5\u30a4\u30c8\u3067\u3053\u3093\u306a\u5199\u771f\u3068\u60c5\u5831\u51fa\u3066\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4216\" src=\"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130-1024x768.jpg\" alt=\"870387-1-FSQ130\" width=\"625\" height=\"468\" srcset=\"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130-1024x768.jpg 1024w, http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130-300x225.jpg 300w, http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130-624x468.jpg 624w, http:\/\/rockhand.pvsa.mmrs.jp\/blog\/wp-content\/uploads\/2014\/11\/870387-1-FSQ130.jpg 1280w\" sizes=\"auto, (max-width: 625px) 100vw, 625px\" \/><\/a><\/p>\n<p>http:\/\/www.astromart.com\/classifieds\/details.asp?classified_id=870387<\/p>\n<p>\u6765\u5e74\u521d\u65ec\u767a\u58f2\u3001\u4fa1\u683c\u306f\u672a\u5b9a\u3068\u66f8\u304b\u308c\u3066\u307e\u305f\u3002\u3059\u3054\u3044\u6027\u80fd\u3067\u3059\u3002\u3067\u3082\u9ad8\u305d\u3046\u3002\u3002<\/p>\n<p>NATIVE FOCAL RATIO: f\/5; 650mm FL<\/p>\n<p><b>Optical performance:<\/b><\/p>\n<p>Off-axis distance [mm] 0 15 22 32<br \/>\nRMS-spot diameter [micron] 2.0 3.0 4.0 4.5<br \/>\nRelative illumination [%] 100 99 97 92<\/p>\n<p>Takahashi has designed a new dedicated 645 format reducer for the FSQ-130ED that produces a 70mm diameter image circle with very small stars 5.0 micron at the edge of an 64mm circle.<\/p>\n<p><b>645 Reducer 0.7x <\/b><\/p>\n<p>Focal length: 455mm<br \/>\nFocal ratio: f\/3.5<br \/>\nImage circle 70mm<\/p>\n<p><b>Optical performance<\/b><\/p>\n<p>Off-axis distance [mm] 0 15 22 32<br \/>\nRMS-spot diameter 2.5 3.0 4.0 5.0<br \/>\nRelative illumination [%] 100 96 90 60<\/p>\n<p>The Takahashi RD-QR .73x can be used with the FSQ-130 and will produce color rich images across a flat field and a 44mm image circle.<\/p>\n<p><b>RD-QE 0.73x<\/b><\/p>\n<p>Focal length: 474mm<br \/>\nFocal ratio f\/3.6<br \/>\nImage circle 44mm<\/p>\n<p><b>Optical performance:<\/b><\/p>\n<p>Off-axis distance [mm] 0 15 22<br \/>\nRMS-spot diameter (micron) 3.0 5.0 14<br \/>\nRelative illumination [%] 100 90 65<\/p>\n<p><b>EX-ED 1.5x<\/b><\/p>\n<p>The Extender-ED when used with the 130 offers larger image scale for smaller objects at 982mm.<\/p>\n<p>Focal length 982mm<br \/>\nFocal ratio f\/7.5<br \/>\nImage circle 44mm<\/p>\n<p><b>Optical performance:<\/b><\/p>\n<p>Off-axis distance [mm] 0 15 22<br \/>\nRMS-spot diameter (micron) 2.0 15 30<br \/>\nRelative illumination [%] 100 80 65<\/p>\n<p>The EXQ-1.6x is well suited to be used with the FSQ-130 for greater image scale. Stars produced by the EXQ are small.<\/p>\n<p><b>Extender-Q 1.6x<\/b><\/p>\n<p>Focal length 1043mm<br \/>\nFocal ratio f\/8<br \/>\nImage circle 44mm<\/p>\n<p><b>Optical performance:<\/b><\/p>\n<p>Off-axis distance [mm] 0 15 22<br \/>\nRMS-spot diameter (micron) 4.0 8.0 10.0<br \/>\nRelative illumination [%] 100 75 58<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d77\u5916\u30b5\u30a4\u30c8\u3067\u3053\u3093\u306a\u5199\u771f\u3068\u60c5\u5831\u51fa\u3066\u307e\u3057\u305f\u3002 http:\/\/www.astromart.com\/classifieds\/details.asp?classified_id=870387 \u6765\u5e74\u521d\u65ec\u767a\u58f2\u3001\u4fa1\u683c\u306f\u672a\u5b9a\u3068\u66f8\u304b\u308c\u3066\u307e\u305f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,6],"tags":[],"class_list":["post-4215","post","type-post","status-publish","format-standard","hentry","category-1","category-6"],"_links":{"self":[{"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4215"}],"version-history":[{"count":6,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4215\/revisions"}],"predecessor-version":[{"id":4222,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4215\/revisions\/4222"}],"wp:attachment":[{"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4215"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rockhand.pvsa.mmrs.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}