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Show us your best planetary eyepieces

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#51 bobhen

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Posted 30 July 2021 - 02:18 PM

Delites on the left and Radians on the right.

 

For the planets, I've owned UO orthos, TV plossls and even a Brandon. All were wonderful. But not only are the fields wider in the above, the longer ER and ergonomics make observing just that much more pleasurable.

 

Bob

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#52 Anthony Dente

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Posted 30 July 2021 - 06:22 PM

Here is my planetary set, some are over decade stable for cyclops.

 

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Here is my binoviewing stable set with various Barlow lens.

 

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Tammy

Out of all your planetary Eyepieces, which one would you consider the best...?


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#53 doctordub

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Posted 30 July 2021 - 06:59 PM

How do you find your TOE vs HR? I think the 4 mm TOE delivery's a smooth view then the HR 3.6 mm, makes me think I should get the 2.5 mm TOE.
I have all of the HR's so it would be a little over kill on the how many EP's do you really need....

I have not had enough viewing comparing the two to make a judgment. I have mostly used them for Lunar observations with my NP-101 and Tak Turret.

CS

Jonathan 



#54 rkelley8493

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Posted 30 July 2021 - 07:02 PM

They may not be my best planetary eyepieces, but they're my most used planetary eyepieces coolnod.gif

 

twin towers.jpeg

7 5 3.5 xw.jpeg


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#55 rkelley8493

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Posted 30 July 2021 - 07:07 PM

Here's another look at the XW's. Kinda hard to see the front of them in the previous image.

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#56 Tamiji Homma

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Posted 31 July 2021 - 11:15 AM

Out of all your planetary Eyepieces, which one would you consider the best...?

 

If you consider "the best memorable viewing experience" as criteria of "the best" with 4"-6" refractors for last 15 years or so, eyepieces shown in my previous post are:

 

Jupiter for Zeiss/TMB 25mm (binoviewer)

Venus for Zeiss A-II 4mm (cyclops)

 

Other memorable viewing experience was with

 

The moon for Panoptic 19mm (binoviewer)

Mars for Nikon SW 7mm (binoviewer)

Saturn for Docter UWA 12.5mm (binoviewer)

 

The eyepieces that gave the memorable experience aren't necessarily ones that I've used most either.

 

Eyepieces that I used most are ones that I enjoyed most (Takahashi LE5, Zeiss/Leica/Kowa zoom).

 

If you change scopes, tracking/manual mount, observing site, set of eyepieces give memorable viewing experience changes, too.

 

It is complicated and it makes choosing eyepieces fun :)

 

Tammy


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#57 rkelley8493

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Posted 31 July 2021 - 01:00 PM

This setup gave me a memorable viewing experience of Jupiter & Saturn on Thursday night.

FC-100DF > Baader T2 1.8x GPC > Baader T2 Zeiss Prism > Carl Zeiss Binoviewer > TV 9 DeLite [148x magnification]

I could see the charcoal color of Callisto & Ganymede.

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Edited by rkelley8493, 31 July 2021 - 09:42 PM.

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#58 russell23

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Posted 31 July 2021 - 01:52 PM

There are a number of factors that are relevant to getting the good planetary views. At the top of the list are seeing, aperture and optical quality.  For some of us, seeing can be very steady so the planetary detail at higher magnifications are not popping in and out with the seeing, they are just there.

 

I would turn it around and say that there is no substitute for steady seeing.  

 

Jon

I have to agree.  Most nights at my location the seeing ceases to be steady somewhere in the 100-130x range. Last night it was absolutely steady at 160x and I had perhaps the best planetary views I can recall.  That was with the 102mm f/11 and the 7mm APM XWA.  With ~9 elements that eyepiece is certainly not considered “planetary” but the high quality seeing was the dominant factor.  


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#59 bobhen

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Posted 31 July 2021 - 03:34 PM

I have to agree.  Most nights at my location the seeing ceases to be steady somewhere in the 100-130x range. Last night it was absolutely steady at 160x and I had perhaps the best planetary views I can recall.  That was with the 102mm f/11 and the 7mm APM XWA.  With ~9 elements that eyepiece is certainly not considered “planetary” but the high quality seeing was the dominant factor.  

I think we all agree that seeing is the dominant factor. However, what if on your night of excellent seeing you had used a better or higher quality planetary eyepiece?

 

Seeing will vary but the quality of your optics is fixed. Better optics will always be better and worse optics will always be worse, in any type of seeing.

 

Bob


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#60 russell23

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Posted 31 July 2021 - 04:05 PM

I think we all agree that seeing is the dominant factor. However, what if on your night of excellent seeing you had used a better or higher quality planetary eyepiece?

 

Seeing will vary but the quality of your optics is fixed. Better optics will always be better and worse optics will always be worse, in any type of seeing.

 

Bob

Well what is the better planetary eyepiece?  Supposedly it is the 3 and 4 element orthos etc.  So I would need a 7mm ortho to meet the “planetary” designation.

 

So lets think about that:

 

~Poor eye relief - which is uncomfortable and a distraction

~Small AFOV - which means more frequent recentering of the planet since I use manual alt-azimuth

~Possibly scattered light issues because for all the praise of orthos I’ve typically been disappointed with their control of scattered light and their contrast. That includes older University orthos, the HD orthos, and the currently available Japanese orthos that I’ve tried.

 

vs the 7mm APM XWA

 

~super comfortable eye relief

~large AFOV

~no issue with scattered light last night

 

I think it highly likely that I am not going to see more with a planetary ortho than I did last night with the 7mm APM.  I was able to relax with the comfortable view and did not have to adjust the slow motion controls every 2 seconds. 

 

At this point, with on axis viewing, I’m not convinced that low element count eyepieces are any better than high element count eyepieces.  For example, while I love the 4 element 32mm University Konig in my 102mm f/11 ED, there is no question that the 9 element 30mm APM UFF provides sharper star images in the central field.  

 

Obviously there are some rarefied options like the 5.1mm Pentax XO, Zeiss orthos that probably give you a detectable advantage if you don’t mind cramming the eye lense into your retina.  


Edited by russell23, 31 July 2021 - 04:06 PM.


#61 etsleds

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Posted 31 July 2021 - 04:22 PM

These work well. Looking forward seeing how the two TOEs I picked up in Tokyo will they stack up against the Pentax XOs. You don’t necessarily have to cram your eye against the eyepiece for most of them except the Pentax XP 3.8mm and 14mm, planets don’t tend to fill the whole field of view anyway.

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Edited by etsleds, 31 July 2021 - 07:34 PM.

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#62 jack45

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Posted 31 July 2021 - 04:28 PM

Excellent!!!!

 

    (You the man)!

 

 

 

Clear Skies!



#63 etsleds

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Posted 31 July 2021 - 04:56 PM

Like Tammy, I find a turret really useful for planetary viewing to adjust for view preference, subject, and seeing conditions.

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Edited by etsleds, 31 July 2021 - 05:30 PM.

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#64 Dave Mitsky

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Posted 31 July 2021 - 06:09 PM

In terms of the flow of this thread, it would have to be my 3-6mm Tele Vue Nagler zoom.  I also have a 9mm Pocono Mountain Optics ortho and a 11mm Tele Vue Plössl.  However, I use my 4.5, 6, and 8mm Tele Vue Delos and 5 and 7mm Pentax SMC XWs far more often.

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#65 ThusSpokeZarathustra

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Posted 31 July 2021 - 09:52 PM

My Planetary Workhorse!
 
Stellarview 4.9 Eyepiece 1
Stellarview 4.9 Eyepiece 2
Stellarview 4.9 Eyepiece 3
 
I know its just a modified 5mm Orion Edge On Planetary Eyepiece, however, the field is flat and the contrast is great, to my limited experience. Though the eye-cup may yield itself toward fogging up the lens when pressed square against your face, at the very least, its a respectively humble beauty of an eyepiece.

 


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#66 j.gardavsky

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Posted 01 August 2021 - 04:05 AM

These work well. Looking forward seeing how the two TOEs I picked up in Tokyo will they stack up against the Pentax XOs. You don’t necessarily have to cram your eye against the eyepiece for most of them except the Pentax XP 3.8mm and 14mm, planets don’t tend to fill the whole field of view anyway.

Andrew,

 

this is a very noble set of sets!

 

Thank you for sharing the pic,

JG



#67 aatt

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Posted 03 August 2021 - 08:37 PM

9mm and 12.5mm UO orthos
18mm Fujiyama ortho
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#68 HellsKitchen

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Posted 04 August 2021 - 02:05 AM

My planetary collection

 

 

KwfGhiB.jpg


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#69 epee

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Posted 04 August 2021 - 09:08 AM

med_gallery_20664_9054_3706237.jpg

 

I've since added the 7,5mm


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#70 csrlice12

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Posted 04 August 2021 - 10:09 AM

My planetary collection

 

 

KwfGhiB.jpg

I've seen the pics of your local wildlife....how's the view of Earth from your planet?wink.gif


Edited by csrlice12, 04 August 2021 - 10:09 AM.

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#71 Deadlake

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Posted 05 August 2021 - 02:40 AM

Some of my planetary EP's. Apparently four EP's are all you need, I've used up my allocation. 
 

Vixen HR Full Set

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#72 Marcus Roman

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Posted 05 August 2021 - 07:02 AM

I’m leaving for vacations and I started wondering which planetary eyepieces to bring with me for my Takahashi FC60 f/8.3.

I have several: twoTMB supermono, Pentax XO, several Pentax SMC ortho, several Takahashi MC-ortho and Vixen HR2……but at the end I wound up with just two eyepieces which combine sharpness, light weight, decent afov for the scope and decent eye relief: Televue Nagler Zoom 2-4 (a great eyepiece!) and the new to me Nikon O-5 really an amazing flawless neutral color eyepiece!

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#73 HellsKitchen

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Posted 05 August 2021 - 09:48 AM

I've seen the pics of your local wildlife....how's the view of Earth from your planet?wink.gif

 

Looks kinda like this

 

https://youtu.be/YURO1WJjPNM


Edited by HellsKitchen, 05 August 2021 - 09:49 AM.


#74 HellsKitchen

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Posted 05 August 2021 - 09:52 AM

Some of my planetary EP's. Apparently four EP's are all you need, I've used up my allocation. 
 

 

Had any sessions with them?



#75 vahe

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Posted 05 August 2021 - 08:14 PM

Ok, this is one of my favorite planetary eyepieces, 34mm ZAO-I, it is an unusual beast and highly sought after by collectors who will pay a big price for it just to complete their ZAO eyepiece sets, it pretty much remains an unused showpiece in their Zeiss eyepiece box.
.
Not me, this eyepiece is one of my best Orthoscopics for planets, to be able to use it for planets one needs a quality long focus scope in order to obtain a decent image scale, with your typical F/6 or F/7 imaging optimized refractor this eyepiece would be pretty much useless, regardless of how many Barlows are stacked at the tail end of that scope.
.
The 34mm ZAO-I has a narrower field than the standard Ortho eyepieces which are usually about 45 degree, the 34mm has 40 degree field of view, pretty narrow and closer to a Monocentric in the overall feel. When it comes to planets from performance standpoint I would rate this eyepiece somewhere between an Ortho and a Monocentric.
.
I use the 34mm pair in Binoviewr+Glasspath on my TEC 200/20 Maksutov which has 4000mm native focal length. With 1.25 Glasspath I get 147x (operating @ F/25) and with 1.7 Glasspath I get 200x (operating @ F/34). At 200x Jupiter is at its optimum magnification in my 8” Mak in our area and really looks very impressive with the 34mm, with a decent contrast displaying all low contrast surface features. The true strength of this eyepiece is in its very low scatter, planets are etched against pitch black sky with very little sky glow surrounding planets bright disk.
.
For the Moon with the same Mak my preferred eyepiece is 24mm Brandon, it is semi wide with 53 degree field, and has the low scatter similar to Zeiss. In binoviewer with 1.25x Glasspath I get 208x (operating @ F/25) and at this focal length the image is crisp across the entire field.

.

Vahe

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