![]() ![]() In my 102mm scope the 26mm SVbony performs pretty well and gives me a super wide 26x at 72°. The 2" barrel just lets you use some really wide, immersive low power eyepieces that the 1.25" format doesn't allow. ![]() With 2" eyepieces that will substantially increase to about 25mm 100°, 31mm 82°, 41mm 68° etc. They all have roughly the same true field of view, or see the same amount of sky, but with different magnification. With 1.25" eyepieces the widest true field possible is with a 13mm 100°, an 18mm 82°, 24mm 68°, a 32mm 50°, or a 40mm 43°. Their primary advantage is they allow you to use wider field eyepieces. I'd say just pick up the 2" when you are ready to buy 2" eyepieces. I have an old Meade 2", a cheaper GSO 2", and a super high end Astro-Physics 2" diagonal and I cant see any real difference, they all work pretty well. Svbony makes a Dielectric 2" diagonal on Amazon that's like 62$. Dielectric diagonals reflect slightly more light, but the difference is negligible over regular diagonals. I would say just get whichever you can afford. 1 or 2, 2" low power wide field eyepieces and a couple of the Astro Techs would give you a very high performance eyepiece set up for only a few hundred bucks Their goldlines and redlines are also pretty good for mid and higher powers Also, Astro Tech has several excellent lines of eyepieces, all for a ridiculous value. the 26mm would work nicely as a wide low power sweeper in the 102. they have 2 that I know of, the 26mm and 34mm which work pretty darn well, are wide and immersive and are very comfortable to use. that will drastically increase the true field of view the scope is capable of.Īfter that check out some of the Svbony 2" eyepieces. You can find a used one on cloudy nights for probably about 50 bucks. I would ditch the prism diagonal it comes with and pick up a decent 2" diagonal. If I were you, I'd take advantage of that. you can buy an upgraded 2" diagonal and get some super wide and immersive views with nice 2" Eyepieces. r/telescopes aims to be a high quality sub where users can discuss all things telescopes and astronomy, but allowing such repetitive and low-effort posts will drastically lower the overall quality of the sub. Low-effort content such as those complaining about the weather (we get it, clouds are bad), simple questions that usually result in one line responses (these should be posted in our weekly discussion threads instead), general 'shitposting', memes, etc. Titles should be descriptive about what you're discussing/posting. Titles should not be 'clickbaity' nor self-deprecating - we're all here to learn so there is no point in calling yourself a 'noob' and/or putting yourself down. ![]() Concept art is not permitted, nor is content not relating to visual astronomy/telescopes. ![]() Images must be taken by you, with gear which you own - remote or professional services such as DSW or Hubble are not permitted. This enforces quality, encourages discussion, and benefits everyone. This includes your gear as well as any processing you did to the image. Images must have a top-level comment containing acquisition and processing details. Self promotion is only permitted to active members of the community. Not providing commentary, or posting content from a single source will be assumed to be attempts of driving traffic, which is not allowed here. This sub is a place for everyone to learn and help each other, and such behaviour only does bad things to everyone involved.ĭirect links should be accompanied by commentary as a top level comment, and should be a source of discussion. Non-civil behaviour such as insulting, flaming, etc, will not be tolerated. You can post used item ads here, but do post them on other communities or websites such as Cloudynights, Astromart, etc. There are other subs and communities for this. Links to petitions, surveys, crowdfunders, and other advertisements to sell your own products are prohibited here. Failure to read and posting "which telescope should I buy" will result in your post being removed and you being referred to this guide. If you're totally new to telescopes and astronomy, please read our Beginner's Quick Guide to choosing your first telescope which is sticky'd to the top of the subreddit. Posts are helpful for people with similar questions.)īefore posting, make sure your post follows the subreddit rules otherwise they may be removed. ( For more in-depth help, please use the subreddit. Anything that relates to amateur astronomy and its practice. Telescopes, eyepieces, events, marathons, charts, eyepieces, reviews, marathons, articles, etc. ![]()
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