O2B3 Posted January 22, 2022 Share Posted January 22, 2022 Hi all I have a skywatcher 200P. I have only got 2 eyepieces. 1: super 10mm. 2: super 25 wide angle long eye relief. Can anyone recommend how many eyepieces I will need and which one's are best for a beginner. Also I have lost the dustcap to the viewer do you know where I can get a replacement for it ( have added a picture the part I am looking for) Mark Link to comment Share on other sites More sharing options...
Pixies Posted January 22, 2022 Share Posted January 22, 2022 Hi, Here's a recent thread with the same question, although your budget might be different: And a sticky thread with some good advice: Although that latter thread was from a while ago and I think the advice about getting a barlow is not so important to owners of fast scopes, as 'budget' eyepieces can now be found that don't suffer from really tight eye-relief or tiny lenses - such as the ubiquitously recommended BST Starguiders. Sorry, but I can't answer your question about that missing piece. Link to comment Share on other sites More sharing options...
Dark Vader Posted January 22, 2022 Share Posted January 22, 2022 (edited) If you can't find a replacement cover, as a workaround try a collimation cap and put some tape over the hole. https://www.firstlightoptics.com/other-collimation-tools/rigel-aline-collimation-cap.html Edit: a quick google came up with this: https://www.nipon-scope.com/lens-caps-covers/31.5mm-lens-cap-cover-for-telescopes-binoculars-monocular-and-eyepieces-b-31.5x8mm-b-.-plastic Edited January 22, 2022 by Dark Vader More info 1 Link to comment Share on other sites More sharing options...
Figgis Posted March 7, 2022 Share Posted March 7, 2022 On 22/01/2022 at 13:04, O2B3 said: Hi all I have a skywatcher 200P. I have only got 2 eyepieces. 1: super 10mm. 2: super 25 wide angle long eye relief. Can anyone recommend how many eyepieces I will need and which one's are best for a beginner. Also I have lost the dustcap to the viewer do you know where I can get a replacement for it ( have added a picture the part I am looking for) Mark There's a Fellow on ebay who is selling dust plugs which will fit this.....Admin are we allowed to post ebay links please? 1 Link to comment Share on other sites More sharing options...
Cornelius Varley Posted March 7, 2022 Share Posted March 7, 2022 9 minutes ago, Figgis said: There's a Fellow on ebay who is selling dust plugs which will fit this.....Admin are we allowed to post ebay links please? If the site is not yours then OK. 1 Link to comment Share on other sites More sharing options...
Neil H Posted March 7, 2022 Share Posted March 7, 2022 Hi I think FLO do a 2 inch plastic plug https://www.firstlightoptics.com/astronomy-optics-cleaning-protection/astro-essentials-2-plug-cap.html Link to comment Share on other sites More sharing options...
Spile Posted March 7, 2022 Share Posted March 7, 2022 In terms of eyepieces for the 200P, this was my upgrade path https://astro.catshill.com/the-zoom-eyepiece/. 1 Link to comment Share on other sites More sharing options...
cajen2 Posted March 7, 2022 Share Posted March 7, 2022 Rather like @Spile, I found getting good zoom EP (in my case, an OVL Hyperflex) gives you a clear idea of what magnifications you like or need. Very high mags are rarely satisfactory unless seeing conditions are perfect, so I'd avoid sub-4mm EPs in your scope at first. A good-quality low mag EP is useful, as zooms give narrow fields of view at lower mags. I use a Vixen 30mm NPL, which is by far the best value for money EP that I have. Once you've identified which mags you want, you can gradually build up your fixed f/l eyepiece collection. Link to comment Share on other sites More sharing options...
Figgis Posted March 8, 2022 Share Posted March 8, 2022 https://www.ebay.co.uk/itm/193659351582?hash=item2d16ff321e:g:DLgAAOSwSO1hjTgC Link to comment Share on other sites More sharing options...
OK Apricot Posted March 8, 2022 Share Posted March 8, 2022 (edited) My first EP purchases for my 200P were a StellaLyra 32mm and 15mm Superview - nice low mag, wide angle to make locating objects easy on the 32mm, then just over twice the mag for the 15mm. Both very good value for money. Couple that with a decent 2" Barlow and you'll have effectively 4 EPs to play with. Edited March 8, 2022 by OK Apricot 1 Link to comment Share on other sites More sharing options...
Kon Posted March 8, 2022 Share Posted March 8, 2022 My first EPs for my 200P Dob were BSTs (8, 15 and 25mm). The 8 and 15 were the best and marginal improvement of the 25 over the provided one. There are some BSTs on sale in classifieds at the moment. I have seen then moved to wide FOV EPs. Regarding the dust cup, you can leave your 1.25" extension focuser in there since it comes with a dust cup as well (that's how I have my Dob set). Link to comment Share on other sites More sharing options...
PeterStudz Posted March 8, 2022 Share Posted March 8, 2022 On 22/01/2022 at 13:39, Dark Vader said: If you can't find a replacement cover, as a workaround try a collimation cap and put some tape over the hole. https://www.firstlightoptics.com/other-collimation-tools/rigel-aline-collimation-cap.html Edit: a quick google came up with this: https://www.nipon-scope.com/lens-caps-covers/31.5mm-lens-cap-cover-for-telescopes-binoculars-monocular-and-eyepieces-b-31.5x8mm-b-.-plastic Re the dust cup. I leave the 1.25 inch extension tube in and as suggested above, use the collimation cap with tape over the hole. I find the collimation cap really useful to check collimation before every session by looking down the little hole just to make sure everything is in order. 2 Link to comment Share on other sites More sharing options...
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