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Need Eyepieces for Nexstar 4se

moon eyepieces
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9 replies to this topic

#1 vasili1017


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Posted 29 May 2020 - 11:40 AM

Hello Everyone! I am new to this hobby and just picked up a Celestron Nexstar 4se. I only have the 25mm plossl eyepiece that came with it. 


What are some standard eyepieces one should have with this telescope? My goal right now is just viewing, not photography. I want to see the moon, planets, and maybe some deep space objects. 


Is the Celestron X-Cel LX 12mm Eyepiece my best bet for viewing the moon? 


What are your thoughts on a zoom eyepiece like the Explore Scientific 24mm? Will this be adequate to see the planets and maybe some deep space objects? 


Thank you !!!

#2 Dave Mitsky

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Posted 29 May 2020 - 11:50 AM

A 12mm eyepiece will produce 110x in your scope. You can probably exceed that magnification when observing the Moon, since it is so bright.

I don't think Explore Scientific offers a zoom eyepiece. Did you mean Celestron?

#3 cst4


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Posted 29 May 2020 - 12:06 PM

The 12mm Astro Tech Paradigm is similar to the Celestron Xcel LX you mentioned, but it is slightly cheaper and I like it a bit better.  Just another option.  They're both good and you'll enjoy it.  110x is a good mag for many objects but you'll want something that gets you closer to 200x for planets.  

#4 Taosmath



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Posted 29 May 2020 - 12:17 PM

Dave is correct.


Explore Scientific offers a 24mm 68 degree EP which will look fairly similar to your 25mm plossl (about 20% larger field of view, but a similar magnification).


I found the Celestron 24mm - 8mm zoom to be pretty good with my 4SE when I had one.  The 8mm setting gets you about as large a magnification as you can handle with that scope (167x), so I think it's a good option.


With the 25mm plossl and a 24mm-8mm zoom you will have just about everything you need, until at some point in the future you want to upgrade the quality, which I found costs a lot more money for not very much increase in visible performance (at least to my eyes).


Your other option is to buy 3 separate ep's to go with the 25mm, such as an 18mm, a 12mm and an 8mm to give you the spread of magnifications you would want. Even at the attractive price of $60 per eyepiece, which is about what the highly regarded par paradigms are, you will end up paying twice as much as a Celestron  zoom would cost.

#5 JohnBear



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Posted 29 May 2020 - 12:36 PM

I actually use these a Lot (Really!): 



10 & 23mm should work very well with your 4SE and show improved views over the factory Plossl. The 4mm: not so much, but it also serves as a very effective (and nice looking) dust plug. 

Edited by JohnBear, 29 May 2020 - 12:38 PM.

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#6 SeattleScott



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Posted 29 May 2020 - 09:54 PM

The views on the Vite eyepieces are VERY mixed, with opinions ranging from better than a $35 Plossl to absolutely horrible. It seems there is a LOT of sample variation in these. But at least everyone agrees the 4mm is awful, but you can’t use a 4mm with your scope anyway.

The Celestron Xcel LX 12 and 7 would do you nicely for now. Zoom wouldn’t be bad either.

#7 vtornado



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Posted 29 May 2020 - 10:39 PM

Hi and welcome to the forum!


For an f10 f13 telescope I generally like eyepieecs from 32mm to around 10mm.  Plossl's work fine, but in the shorter focal length's the

eye relief gets very short.


If you don't mind using a 2x barlow, you can buy a 18mm plossl and effectively have 25, 18, 12 and 9.


The celestron zoom works well in the 8 - 16 range. 

Edited by vtornado, 30 May 2020 - 03:12 PM.

#8 MickTaurus


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Posted 30 May 2020 - 04:04 AM

There is no need buying expensive eyepieces for a scope with focal ratio of f/13.  

I find the eyepiece I use the most is a Celestron Omni Plossl 32mm, which is great for globular/open clusters. 

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#9 sg6



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Posted 30 May 2020 - 08:38 AM

At 1325mm and f/13 I suspect that for the moon a 15mm will be better then a 12mm. The moon should just fill a 12mm (assume one of the 60 degree EP's). However although that sounds good a little space around it helps, hence the idea of a 15mm.


On a different scope I took out a 5mm, 8mm and 25mm. It is a short ETX70 and although a 5mm only gives 70x I find I actually use an 8mm, 12mm and 25mm more often. In effect my "high" magnification is around the 43-44x area.


DSO's you may have to identify first then try to see them. At 1325mm a 30mm plossl, or 25mm Paradigm would deliver a view of 1.13 degrees.


The ES 24mm 68 (as wide as things really get) would deliver 1.23 deg.

That might just get M42 in the full field of view. Or edges may be chopped. M45 has no chance.

Double cluster at 1 deg and M33 at 1 deg just make it in.

This is all part of a long focal length scope, magnification numbers sound impressive, practical fields of view are restrictive.


For moon I suggest a 15mm, and for more general use save up for an ES 24mm 68 degree,

Edited by sg6, 30 May 2020 - 08:39 AM.

#10 whizbang


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Posted 30 May 2020 - 11:53 AM

Your 4SE is a slow F13, so, it is easy on eyepieces.


Hands down, my favorite eyepieces for your scope would be the 70 degree Bressers in 10mm, 15mm, and 20mm, and, either an Explore Scientific 24mm 68degree if you have the budget for it, and, a regular 32mm Plossl if you don't.


The 10mm would give you 132 power (about the limit of "seeing" here in the Pacific NW).  The 32mm would give a little more than 40 power as well as the widest possible field of view in a 1.25 inch eyepiece.  The 10 thru 25 would give equal magnification/FOV steps between 132 power and 40 power.

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