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Sky-Watcher Evostar 150ED Doublet?

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#76 ATM57

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Posted 26 June 2020 - 08:12 PM

Looks awesome.

 

Was the width of the OTA rings plus custom cradle a serendipitous fit or is there some special spacers in there to properly span the dob mounting?

I had to add a 1/4" thick spacer to the altitude bearing on the non-driven side.Other than that, nothing special.



#77 Trevor N

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Posted 28 June 2020 - 05:12 AM

I’ve had a 150 for about six months now. I used it initially on an AVX but have since upgraded to an EQ6. I found the standard dovetail, rings and focusser to be fine.

Im convinced the optics are a noticeable step up from my 120ED. CA does not seem to be an issue either. I’ve attached a recent lunar shot. I’ve taken lots of images over the years with refractors of this area including other makes of six inch refractor scopes and this is the finest detail I’ve managed. I can’t see me parting with this one.

Only downside, it’s definitely not grab and go and is a bit of a lump to set up but well worth the effort. 
 

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#78 Trevor N

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Posted 28 June 2020 - 05:15 AM

And here’s another shot along the terminator. I cant see much blurring from CA. 

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#79 Heywood

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Posted 28 June 2020 - 09:47 AM

"I'm convinced the optics are a noticeable step up from my 120ED."

 

Do you mean you are convinced that the 150's optics are actually higher quality than are the 120's optics, or just that the 150 is better because it has more aperture?


Edited by Heywood, 28 June 2020 - 04:54 PM.


#80 Heywood

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Posted 28 June 2020 - 09:48 AM

And here’s another shot along the terminator. I cant see much blurring from CA. 

Amazing shot!!



#81 ATM57

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Posted 28 June 2020 - 03:16 PM

And here’s another shot along the terminator. I cant see much blurring from CA. 

Excellent shots!



#82 Trevor N

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Posted 28 June 2020 - 06:56 PM

Thanks for the comments. I mean the optics show more fine detail than the ED120. I’m really not that bothered about this or that glass type but more bothered about what I can see or image and so far this scope has proven to be really good. It’s a shame the planets are so low but Mars should be a test later this year. When Jupiter eventually rises from the murky Southern horizon in the UK I will see if I can beat this shot taken through the ED120. If I can, that clinches it for me

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  • 0FE36867-3614-4BDF-845D-92984D7ED0E1.jpeg

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#83 ATM57

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Posted 28 June 2020 - 10:28 PM

Nice Jupiter shot! I hope to get one as good, in the near future, with my 150ED. cool.gif



#84 SteveG

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Posted 28 June 2020 - 10:29 PM

Thanks for the comments. I mean the optics show more fine detail than the ED120. I’m really not that bothered about this or that glass type but more bothered about what I can see or image and so far this scope has proven to be really good. It’s a shame the planets are so low but Mars should be a test later this year. When Jupiter eventually rises from the murky Southern horizon in the UK I will see if I can beat this shot taken through the ED120. If I can, that clinches it for me

Alright! I guess I'm about ready to buy one of these after reading these reports! I love big refractors.

 

So an EQ6 as a minimum for the mount?



#85 Trevor N

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Posted 29 June 2020 - 05:03 AM

The AVX was OK and I think would work for visual but I just felt happier with the extra mass of the EQ6. The optical tube is relatively lightweight but I wanted to dabble in longer exposure deep sky imaging so the EQ6 was a better bet for me.

 

There were a few teething problems that did the rounds on the internet when they were first released but I can remember exactly the same thing when the ED120 was released. There were comments about poorer CA control and less clarity than the ED100 but now its hailed as a great scope. 

 

Its taken years but I've brought and sold most types including Newtonian's and sct's but always seem to come back to refractors. I think they do vary from scope to scope as well. I once owned an APM 152 and I know they get a very good press on this forum but to me the one I had was not as good as the ED150 for several reasons.

 

I think we all have to decide for ourselves and like most things in life we will never all agree. That's a good thing really as there would be little left for people to get exited about on CN ! 

 

Here's another one to throw in the ring. I have read countless comments across the web stating what a person can see or not see with a particular scope. I personally think its a bit subjective because we never seem to consider the major variability in the receptor, the mark one eyeball ! I think he's a brave man who can claim someone else cannot possibly see this or that with a certain scope. All you can really say is this is what I see and these are the pictures I have taken. I've purchased scopes in the past on recommendation and been thoroughly disappointed and also been really impressed with scopes that are generally considered dodgy. I understand there are physical laws and scientific limits to resolution but I've always seen this as a hobby and we are nearly all amateurs in the end.

 

In summary, I can say my experience with the ED150 to date has been very good and I hope others have similar. Thanks for the comments. It's great to be able to share these things and think about something else other than the current world events. I've attached a mosaic around Altai scarp taken recently through the ED150. The original has more detail but it gives an idea. Take care.

Attached Thumbnails

  • altai ed150.jpg

Edited by Trevor N, 29 June 2020 - 05:12 AM.

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#86 John Huntley

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Posted 29 June 2020 - 11:05 AM

This photo shows the size difference between the ED150 and my ED120:

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  • eds01.JPG

Edited by John Huntley, 29 June 2020 - 11:06 AM.

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#87 tonyt

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Posted 30 June 2020 - 01:00 AM

Another image through the 150ED:

NGC 6164: looks like a PN but the main star is actually a short lived O-type giant that can't contain itself.

 

ngc6164_280620_DBE14%.jpg

 

 


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#88 tonyt

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Posted 30 June 2020 - 01:07 AM

And a rendition of the Lagoon:

Lagoon280620.2nd.try33%.jpg

 


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#89 Jeff B

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Posted 30 June 2020 - 09:29 AM

Trevor, what a great shot of Jupiter via the 120ED!  I also see that it's one of the older, gold tube models.  I have one and it's optically superb.  I too replaced the stock focuser with a ML, but I also cut the tube back to make it bino-friendly.

 

I love the lunar shots via the 150ED.  You imaged some of the very features I use on the moon to visually evaluate optics.

 

I'm going to have to get me on the those SW 150ED thingies too.

 

Jeff


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#90 ATM57

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Posted 02 July 2020 - 03:31 AM

Had some fun shooting the moon tonight with the SW150 smile.gif

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  • Tycho.jpg
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  • Shooting the Moon.jpg

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#91 ATM57

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Posted 02 July 2020 - 06:52 PM

smile.gif Still using my cheap camera. I will upgrade when my hobby funds recover.

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Edited by ATM57, 02 July 2020 - 07:08 PM.

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#92 StarAlert

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Posted 04 July 2020 - 12:50 AM

Is the 150ED bino friendly? I tried finding info on the amount of backfocus, but no dealer is reporting it. 210mm would be nice. 



#93 Jeff B

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Posted 04 July 2020 - 09:55 AM

Is the 150ED bino friendly? I tried finding info on the amount of backfocus, but no dealer is reporting it. 210mm would be nice. 

Don't know for sure but with a 2" diagonal, I would say no.  With a mirror based 1.25" diagonal, maybe, with a 1.25" prism diagonal....maybier.  Also depends on the viewer's light path.

 

One more maybe (actually two), maybe someone can post how much in-travel they have left when using a standard Plossl with a 2" diagonal & 1.25" adapter.  Maybe (ok, that was three) knowing that can help.

 

Jeff


Edited by Jeff B, 04 July 2020 - 09:58 AM.

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#94 StarAlert

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Posted 04 July 2020 - 10:36 AM

I’ll be using a T2 prism diagonal with the Maxbright 2 binoviewer. I reach native focus with my Tak DL (223mm of backfocus) with about 5mm to spare. 



#95 dusty99

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Posted 04 July 2020 - 11:11 AM

Trevor: Did you get a Jupiter pic through the 150 yet?

Paul

 

 

Thanks for the comments. I mean the optics show more fine detail than the ED120. I’m really not that bothered about this or that glass type but more bothered about what I can see or image and so far this scope has proven to be really good. It’s a shame the planets are so low but Mars should be a test later this year. When Jupiter eventually rises from the murky Southern horizon in the UK I will see if I can beat this shot taken through the ED120. If I can, that clinches it for me



#96 Trevor N

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Posted 05 July 2020 - 12:16 AM

Afraid not yet Paul and Jupiter will be very low down in the UK for a while. The120 shot was taken several years back when Jupiter was much higher in the sky. Mars will be the best bet for me to see what it can do this year


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#97 ATM57

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Posted 12 July 2020 - 05:36 PM

I had a chance last night to try some planet shots through the 150ED. It looks like another learning curve has begun. Visually the sky was about 6/10. Not a great night but good enough to experiment with the scope and camera (Svbony SV105). The scope, visually, performed very well despite the seeing conditions. smile.gif

 

I need to get a better camera before the planet parade ends. I want to see what the Evostar 150 can really do. My visual views are so much better than my camera images. The Svbony Sv205 or 305 are on my radar currently (staying with low cost cameras for now). Hmmm...

Attached Thumbnails

  • Jupiter Evostar 150 Svbony SV105.jpg
  • Saturn Evostar 150 Svbony SV105.jpg

Edited by ATM57, 12 July 2020 - 07:14 PM.

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#98 SteveG

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Posted 13 July 2020 - 11:14 PM

I had a chance last night to try some planet shots through the 150ED. It looks like another learning curve has begun. Visually the sky was about 6/10. Not a great night but good enough to experiment with the scope and camera (Svbony SV105). The scope, visually, performed very well despite the seeing conditions. smile.gif

 

I need to get a better camera before the planet parade ends. I want to see what the Evostar 150 can really do. My visual views are so much better than my camera images. The Svbony Sv205 or 305 are on my radar currently (staying with low cost cameras for now). Hmmm...

That Jupiter image is fantastic! You guys about have me talked in to one of these, even though it's against my better judgement wink.gif


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#99 SteveG

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Posted 13 July 2020 - 11:46 PM

Will this scope ride on a G11?



#100 tonyt

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Posted 14 July 2020 - 02:47 AM

Will this scope ride on a G11?

I image with the 150ed on an AZ-EQ6 so the G11 would easily handle it. 


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