+JonW Posted April 7 Author Share Posted April 7 20 hours ago, Nightspore said: Thanks. The BHZ gives 15x - 45x, then the SvBony gives 45x-120x. The 36mm (2") gives me 10x & a 6mm exit pupil. Useful for an OIII filter on a 60mm aperture. Nice coverage there, I like it! I've just picked up a 24mm Tele Vue Panoptic! So, that resolves my '25mm supplied Plossl' upgrade question I reckon! 🫣🤣 Link to comment Share on other sites More sharing options...
Nightspore Posted April 7 Share Posted April 7 52 minutes ago, JonW said: Love that! I'm on a slow f/10 though... I read a user on CN saying that that (paraphrasing) "rear cell opening on the 6SE is 26mm wide...so rather than spending on a 2" diagonal, I have got a f6.3 focal reducer and sticking with 1.25" EP's" I'm unsure on the scientific accuracy & application here though, so will bow to others knowledge! It sounds plausible. I normally use 1.25" diagonals on my 9.25" SCT, although I have used a 2" diagonal as I do enjoy 2" eyepieces. The Evolution just doesn't get out these days/nights however due to more recent health complications. Although, for me anyway, 2" diagonals were literally made for rich field observation. Link to comment Share on other sites More sharing options...
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