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What's your favorite Lunar eyepiece[s]?

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#1 rkelley8493

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Posted 04 April 2020 - 02:10 AM

I've recently gone thru a Lunatic phase and have really been enjoying learning all of the Lunar features and different landscapes. The moon is a harsh test to put an eyepiece through, but it makes certain effects/defects, such as Rectilinear Distortion & Astigmatism, stand out clear as day. Obviously, some of these eyepieces weren't designed for Lunar viewing but are better suited for deep sky observing [I may touch more on this later]. 

Anyhow, some of the eyepieces that have performed the best for me have been Pentax XW [5, 7, & 10], Circle T Ortho's [9 & 12.5], and TV Ethos-SX [4.7]. The color rendition of the XW's & Ortho's have been very pure with the Moon having an ash-grey color tone with slight patches bluish-grey & rusty-grey. The Ethos-SX has a slightly warmer color tone, but the level of contrast seems to be higher [possibly due to exit pupil, or could just be better in that category], and it gives me a panoramic view the Moon. In my 130 f/7 apo [using 4.7 Ethos-SX (*edited for clarification)], the entire moon can fit in the field of view at 194x mag. 

So what are your favorite eyepiece for Lunar observing? What do you like about them, and what makes them the best for you?


Edited by rkelley8493, 04 April 2020 - 09:18 PM.


#2 BradFran

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Posted 04 April 2020 - 03:14 AM

TV 10.5mm Plössl is very good. When the seeing allows, step up to 6mm and 5mm volcano top UO Orthos. Tight on eye relief, but excellent on everything else. Sometimes I Powermate the 21, 26 and 32 Plössls with 5x PM. More comfy on eye relief.

 

A 9mm Delite or Morpheus has been on my shopping list for ages.


Edited by BradFran, 04 April 2020 - 03:17 AM.

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#3 RadioAstronomer

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Posted 04 April 2020 - 04:29 AM

My personal favorite is the TMB SuperMono 4mm. I like it because it's the sharpest high-power eyepiece that I have ever used. 


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#4 russell23

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Posted 04 April 2020 - 04:58 AM

TV DeLite’s In any focal length 

8.5mm Pentax XF

1.6x Nikon barlow

3x TV barlow


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#5 25585

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Posted 04 April 2020 - 07:26 AM

15 & 18 Delites, Zeiss 25mm Opmi, Pentax XW 10mm & XL SMC zoom. Zeiss Abbe 2x & Nikon 1.6x Barlows in 1.25",  Astro Physics 2x in 2".

 

With my 2 Tak scopes, the Q1.6x & ED1.5X extenders for FC100 & TSA120 respectively.


Edited by 25585, 04 April 2020 - 07:30 AM.

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#6 junomike

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Posted 04 April 2020 - 08:23 AM

I find I mainly use the TVZ 3mm - 6mm however I've thrown the 3.7E & 4.7E in a few times for an immersive Lunar experience.


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#7 Steve Cox

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Posted 04 April 2020 - 08:41 AM

TV 3-6 zoom.
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#8 j.gardavsky

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Posted 04 April 2020 - 09:53 AM

For the Moon,

I take the unobtainable Pentax SMC XO 2.5 and the Baader 3.6mm Symmetric Diascope Edition. When there is a good reason for a lower magnification, then theTMB Supermonocentric 8mm.

 

Among the obtainable EPs, it is the Pentax SMC XW 3.5mm, and the 5mm, to get more field.

 

Most of my Moon viewings are through the Baader Solar Continuum 10nm narrow passband filter, sometimes throgh the Baader H-Alpha 35nm broad passband filter. It does not matter, they are on the filter wheel.

The both of these filters kill the CA, and reduce the wavelength dispersive air turbulence effects into a narrow spectral range.

The "green Moon" is more sensitive to the smallest contrast differences.

The "red Moon" is good during the dusk, or during the morning observing sessions.

 

JG


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#9 Moondust

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Posted 04 April 2020 - 10:36 AM

I am mostly a lunatic myself. My favorite eyepieces for the moon in my 92mm Stowaway and Stellarvue 80 Access are the Takahashi TOE 3.3mm and 4mm. What I love about them is not only are they incredibly sharp, contrasty, have great color fidelity and are very comfortable to use with 10mm of relief; but they maintain this consistency edge to edge in a 52 degree field. My previous favorites for the moon and planets were the TMB monocentrics but they had a very tiny 32 degree field. Their biggest flaw and the reason I sold them however is they had lots of field curvature particulary noticable in faster scopes. I was constantly refocusing as the moon drifted along the field using my altz mount with my AP 130 f/6 and Traveler at the time. With the TOE's I set focus just once at the edge of field, and then just sit back and enjoy the show as even the tiniest craterlets at the very limit of resolution of my scope stay in perfect focus as they gently glide to the other edge. Nice!


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#10 Starman1

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Posted 04 April 2020 - 11:32 AM



I've recently gone thru a Lunatic phase and have really been enjoying learning all of the Lunar features and different landscapes. The moon is a harsh test to put an eyepiece through, but it makes certain effects/defects, such as Rectilinear Distortion & Astigmatism, stand out clear as day. Obviously, some of these eyepieces weren't designed for Lunar viewing but are better suited for deep sky observing [I may touch more on this later]. 

Anyhow, some of the eyepieces that have performed the best for me have been Pentax XW [5, 7, & 10], Circle T Ortho's [9 & 12.5], and TV Ethos-SX [4.7]. The color rendition of the XW's & Ortho's have been very pure with the Moon having an ash-grey color tone with slight patches bluish-grey & rusty-grey. The Ethos-SX has a slightly warmer color tone, but the level of contrast seems to be higher [possibly due to exit pupil, or could just be better in that category], and it gives me a panoramic view the Moon. In my 130 f/7 apo, the entire moon can fit in the field of view at 194x mag. 

So what are your favorite eyepiece for Lunar observing? What do you like about them, and what makes them the best for you?

3mm, 4mm, and 5mm TeleVue Delites.

Sharp to the edge, excellent contrast, comfortable eye relief, small size and weight.

I have Rukl's atlas of the Moon, so I've been learning the names of craters.

And here is something for all moon viewers to search for:

https://en.wikipedia.../wiki/Lunar_100


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#11 CrazyPanda

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Posted 04 April 2020 - 11:33 AM

When seeing is steady, binoviewer + Nikon MC1 zooms.

 

When seeing is not so steady, monoviewing in my 11 DeLite.


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#12 jakecru

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Posted 04 April 2020 - 11:44 AM

No longer own it, but when I used to own an 18" F/4.5 I loved the 17 Ethos on the moon. 


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#13 csrlice12

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Posted 04 April 2020 - 11:51 AM

Here lately, I've been mostly just going outside and looking up....and still find in enjoyable watching the sunset, watching Venus become Visible, seeing Sirius pop into view, and just watching the stars fill the sky (at least those visible from a major metro area).  Watching the moon phases from night to night (cloud cover permitting).


Edited by csrlice12, 04 April 2020 - 11:53 AM.

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#14 Starman1

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Posted 04 April 2020 - 11:56 AM

Here lately, I've been mostly just going outside and looking up....and still find in enjoyable watching the sunset, watching Venus become Visible, seeing Sirius pop into view, and just watching the stars fill the sky (at least those visible from a major metro area).  Watching the moon phases from night to night (cloud cover permitting).

I hear you.  The Moon was beautiful last night.  However, my sky here in LA, though cloudless, was filled with haze, so only about 10 stars were visible in the whole sky and Polaris wasn't even visible.


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#15 JoshUrban

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Posted 04 April 2020 - 11:58 AM

I'd have to say my favorite configuration is a pair of University Optics circle T 12.5mm Orthos through a Televue binoviewer.  Goosebumps every time!  (For scopes it would be a 12.5 f/5 dob, an 8" f/8 60's Criterion reflector, or a 102mm ED refractor.)


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#16 hoof

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Posted 04 April 2020 - 06:58 PM

The moon has been and continues to be my favorite subject for astronomy, and that’s considering getting into night vision astronomy in the last few years (which has revolutionized my DSO experience BTW).

Half my eyepieces are dedicated to the moon (and planets when I can see them). That includes:
TV zoom 3-6mm
TMB supermono 4,5,6,7mm
TMB planetary 4,5,6,7,9mm
Lunt hyperwides, 3.7, 4.7mm
Ethos 8mm
Vixen HR 2.4, 3.4mm
UO ortho 12, 25mm

I never get tired at looking at the moon :)
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#17 SpaceX

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Posted 04 April 2020 - 07:09 PM

15 & 18 Delites, Zeiss 25mm Opmi, Pentax XW 10mm & XL SMC zoom. Zeiss Abbe 2x & Nikon 1.6x Barlows in 1.25",  Astro Physics 2x in 2".

 

With my 2 Tak scopes, the Q1.6x & ED1.5X extenders for FC100 & TSA120 respectively.

How does your Zeiss 25mm Opmi perform against your 18mm Delite in sharpness acoss the FOV?

 

I love your Lunar observing setup. Truly exceptional!


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#18 carver2011

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Posted 04 April 2020 - 07:18 PM

A 9mm Delite, 12mm Nagler T2 and a 18.2mm Delite.
Ed
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#19 Raiders

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Posted 04 April 2020 - 08:15 PM

Anyone using neutral density filters for the moon ?
How much do these filters help ?

#20 barbie

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Posted 04 April 2020 - 08:47 PM

I love my Tak Abbe Orthos and TOE's for lunar and planetary. In just over 50 years of observing, these are by far the best I've used!!


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#21 MartinPond

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Posted 04 April 2020 - 08:48 PM

Anyone using neutral density filters for the moon ?
How much do these filters help ?

I use a 12.5 % filter every time.

The Moon blasts me at almost every power otherwise. 

6% might be better sometimes.

It's a necessity in my case. I'm too sensitive. 

Dark Green is fun for extra edge detail

on the 80x400 achro. 

 

Also useful if you plan on looking at something other than

   the Moon on the same night  (without the filter)...

  so your rods+cones don't exhaust their local supply 

    of lutein--->rhodopsin.


Edited by MartinPond, 04 April 2020 - 08:50 PM.

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#22 Tyson M

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Posted 04 April 2020 - 08:52 PM

Anyone using neutral density filters for the moon ?
How much do these filters help ?

I own and have used both the 25% and 50% Lumicon ND filters.  Work great on large aperture scopes.



#23 vdog

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Posted 04 April 2020 - 08:54 PM

Anyone using neutral density filters for the moon ?
How much do these filters help ?

In my dobs, I use a single polarizer when the moon is about 25% or less full and an 12.5% ND when it's fuller than that.  These make the brightness more tolerable for me.

 

When using my 5" Mak and binoviewer, I've found that ND filters aren't necessary.

 

To answer the OP's question, my former favorite was the Meade 5.5mm.  The 82 degree field was perfect to frame the 200+ view in my 10".  I also really liked the "big picture" view in the ES 68 degree 24mm I used to own.

 

But my favorite view now has to be with the Mak, using my pair of Meade HD-60 25mms combined with various Barlows.


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#24 russell23

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Posted 04 April 2020 - 08:58 PM

Mostly these days I cut brightness with magnification.  However, I do like a #21 orange filter to enhance lunar features.  And I like the Astronomik blue deep sky imaging filter because it gives the moon a really neat blue color - just for something different.



#25 RichA

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Posted 04 April 2020 - 11:24 PM



I've recently gone thru a Lunatic phase and have really been enjoying learning all of the Lunar features and different landscapes. The moon is a harsh test to put an eyepiece through, but it makes certain effects/defects, such as Rectilinear Distortion & Astigmatism, stand out clear as day. Obviously, some of these eyepieces weren't designed for Lunar viewing but are better suited for deep sky observing [I may touch more on this later]. 

Anyhow, some of the eyepieces that have performed the best for me have been Pentax XW [5, 7, & 10], Circle T Ortho's [9 & 12.5], and TV Ethos-SX [4.7]. The color rendition of the XW's & Ortho's have been very pure with the Moon having an ash-grey color tone with slight patches bluish-grey & rusty-grey. The Ethos-SX has a slightly warmer color tone, but the level of contrast seems to be higher [possibly due to exit pupil, or could just be better in that category], and it gives me a panoramic view the Moon. In my 130 f/7 apo [using 4.7 Ethos-SX (*edited for clarification)], the entire moon can fit in the field of view at 194x mag. 

So what are your favorite eyepiece for Lunar observing? What do you like about them, and what makes them the best for you?


12mm Brandon.  Of all the Pentax SMC, various orthos I've used, the Brandon had better contrast and showed more detail on the moon and planets for me.  Of course, you have to live with the small FOV, which doesn't matter on planets, but may for the moon.


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