tag:blogger.com,1999:blog-2382653067342630034.post2284419659957492194..comments2024-01-25T11:09:47.238-07:00Comments on The Ketelsens!: Large Synoptic Survey Telescope (LSST)Melindahttp://www.blogger.com/profile/00440179814104142739noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-2382653067342630034.post-78253492659277915712008-12-10T10:29:00.000-07:002008-12-10T10:29:00.000-07:00I can imagine. at this much of aperture, f/1.2 is ...I can imagine. at this much of aperture, f/1.2 is just lightning fast piece of rig.Tuguldurhttps://www.blogger.com/profile/02359339897526857999noreply@blogger.comtag:blogger.com,1999:blog-2382653067342630034.post-50939316323378772172008-12-09T19:41:00.000-07:002008-12-09T19:41:00.000-07:00With light baffles too, I've heard 6.5 meter equiv...With light baffles too, I've heard 6.5 meter equivalent, but at F/1.2 still collects a LOT of light!<BR/>-DeanDeanhttps://www.blogger.com/profile/15919196990921140049noreply@blogger.comtag:blogger.com,1999:blog-2382653067342630034.post-7783236177810581112008-12-09T19:33:00.000-07:002008-12-09T19:33:00.000-07:00thanks for posting! very informative.but the secon...thanks for posting! very informative.<BR/><BR/>but the secondary is 5m in diameter blocking lots of light, so would that mean the actual collecting area of this scope is similar to of 6.8m mirror?Tuguldurhttps://www.blogger.com/profile/02359339897526857999noreply@blogger.com