Are you still enjoying your 2-inch Meade 5000 EPs? I currently own an Orion Deep Sky 28mm, and a 30mm Zhumell that came with my 12 inch Zhumell Dob. Because I bought an LX200 GPS (8 inch) recently, that has a 2-inch Meade Diagonal, I’ve started mainly using my 2-inch eyepieces. I enjoy the views through the Zhumell 30mm more. Unfortunately, to get higher mag, I need to switch to 1.25 inch EPs.
So, I’ve started to fill in my 2-inch EP collection. I ordered 9mm, and 20mm ES 100 degree EPs. I got them used, at what I thought was a good price. I haven’t received them yet, but now I’m wondering if I should have just gone with Meade 5000 UWA EPs, instead? Apparently ones from up to 2011 are even made by the same company that makes the ES EPs. Plus, a 20mm UWA Meade 5000 can be had for less than half the cost of a used ES 100 degree EP. And, will there be any benefit of 100 degree over 82, in the LX200GPS? What about a 12 or 8 inch Dob?
I have Meade 5000 UWA 82 degree 20 mm. I like it very much and highly recommend it both for the quality of the view and the price as compared to the ES 82s. I consider these Meade 82s comparable to the ES 82s.
In addition to my Apertura AD12, I also use a Meade LX200 14" at the Custer Observatory. I use the 20 mm in that too.
From there I go to a 14 mm, 8.8 and 6.7 mm ES 82 in 1.25" but I am quite confident I would be happy with the equivalent Meade 82s. I have the Meade 82 5.5 which I also like and recommend. ES does not have an 82 in this FL. I might add an ES 82 4.7 in the future.
I have not found the need for anything wider than 82 degrees in my manual Dob or in the GoTo scopes.
The other question is, on an 8 inch LX200GPS, what is a good range of 2-inch EPs to have? It’s f10, 2000mm, as everyone is likely aware.
Rather than tell you what you should do, I will just show you what I have done. I am very happy with the results. Note that I have a 2" 2X barlow if I care to use that with the 2" eyepieces but I have found that I do this very rarely, preferring to fill in with 1.25" 82s.
I have two 2", a 38/70 and a 20/82, as we discussed above. I don't feel the need for any additional 2" eyepieces as everything else can be done in 82 degree. And this allows me to use those 1.25" 82 degree eyepieces in my other scopes that only take 1.25".
But if you want to go 2" 100 degree, that is your choice. Certainly nice to have, but I don't see it as necessary especially in a GoTo scope.
This is my working set in the AD12 and the LX200 14" listing FL/AFOV, FOV, Exit Pupil.
I rarely go over 300X as the atmosphere will not allow it. Sometimes higher on the Moon. As you can see I have options up to over 500X if I have an extraordinary night.
Aperture AD12 12”/305 mm manual Dob Newtonian, 1520 mm FL F5
In this scope my usual working set is 38/20, BHZ, 6.7, 5.5
38 mm/70 40X and 1.75 degrees FOV EP 7.6 mm 2"
20 mm/82 76X and 1.07 degrees EP 4.0 2"
14 mm/82 108X and .75 degrees EP 2.8
8.8 mm/82 172X and .47 degrees EP 1.7
6.7 mm/82 226X and .36 degrees EP 1.3
5.5 mm/82 276X and .29 degrees EP 1.1
8.8+2XB 344X and .24 degrees ( might add an ES82 4.7 if I find I am using the barlow often)
6.7+2XB 452X and .18 degrees
5.5+2XB 552X and .15 degrees
Baader Hyperion 8-24 zoom 63X to 190X and .79 to .35 degrees
Baader Hyperion 8-24+1.5XB 94X to 285X
Meade LX200 14”/357 mm 3556 FL F10 Advance Coma Free/SCT GoTo
This is used mostly for outreach. Here I use the 38, 20 and 14 most of the time
38 mm/70 93.5X and .74 degrees FOV EP 3.8 mm 2"
20 mm/82 177X and .46 degrees EP 2.0 mm 2"
14 mm/82 254X and .32 degrees EP 1.4 mm
20 mm/82 2XB 354X and .23 degrees 2"
8.8 mm/82 404X and .2 degrees EP .9
6.7 mm/82 530X and .15 degrees EP .7
Baader Hyperion 8-24 zoom 148X to 444X and .33 to .15 degrees
Remember that the moon is 1/2 degree wide and most of your high power targets are likely smaller than that or you are focused in on a detail.
Would it be nice to have a full set of 2" 100 degree eyepieces? Sure, but I have no intention of buying any. I don't feel the need.