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Thread: Advice Wanted!

  1. #21
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    Default Re: Advice Wanted!



    Quote Originally Posted by Coprolite Whisperer View Post
    Thanks Cooper! I was a little worried going with a Dob for size and navigation. However, after more research, Telrad with riser and extra aperture seem totally worth the extra effort. My plan is to go with Zhummel Z10 Dob. After talking to some great people here I'm more confident about the selections. My only concern now is should get the deluxe package that comes with a 16mm Z100 100deg FOV or get a few important accessories, head out, and see what eyepieces I want after a few months. The eyepiece sounds awesome but I haven't seen enough reviews for an FOV that size. I've seen a lot of negative reviews about huge FOV's. Guess I wont know till I try it. Any experience with an eyepiece like this?
    I think you'll be very pleased with your choice. I need to get a Telrad but have been getting other things since the go to does most of my work for me other than alignment.

    As for the version to get, I guess that depends on the price difference and what it would cost to piece the same thing together independently. That might give you an indication of how much you might be "wasting" on the 16mm EP... But I think you'll be happy with it. I just got the 6mm Delos and I totally get the whole immersion thing with wide fields. For me it's so much easier on the eyes being able to see like you are looking out a window. Some don't like it but I'm already plotting my path towards Naglers and Ethos EP's before a nice little deer hunting trip at a black site in West Texas... Even at the expense of a new rifle!

    You might do a review of the EP outside of this forum. Something on Cloudy Nights or one of the other astronomy sites might pop up but in the end go with what you feel makes sense.

    Rob
    Orion XX14g GoTo Dobsonian | Orion XT8 Classic Dobsonian | Celestron X-LX 1.25" 9mm, 12mm & 2X Barlow | Orion Sirius 1.25" 25mm; Q70 2" 26mm, 32mm & 38mm | Televue Delos 1.25" 6mm & 2X Powermate | Homemade "Tres" 5 yo manual GoTo operator and iPad Star Walk app navigator

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  3. #22
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    Default Re: Advice Wanted!

    Quote Originally Posted by rtcooper2 View Post
    I think you'll be very pleased with your choice. I need to get a Telrad but have been getting other things since the go to does most of my work for me other than alignment.

    As for the version to get, I guess that depends on the price difference and what it would cost to piece the same thing together independently. That might give you an indication of how much you might be "wasting" on the 16mm EP... But I think you'll be happy with it. I just got the 6mm Delos and I totally get the whole immersion thing with wide fields. For me it's so much easier on the eyes being able to see like you are looking out a window. Some don't like it but I'm already plotting my path towards Naglers and Ethos EP's before a nice little deer hunting trip at a black site in West Texas... Even at the expense of a new rifle!

    You might do a review of the EP outside of this forum. Something on Cloudy Nights or one of the other astronomy sites might pop up but in the end go with what you feel makes sense.

    Rob
    Good Advice!! Yeah, The reviews I've read about the 16mm Z100 aren't good compared to others. I'll def post a review of the setup and a separate one if I chose the z100. I don't know, maybe I'll save the extra cash and apply it to large FOV of better quality. Haha, yeah, quality isn't cheap. Good ol' West TX! The wind out there will make you crazy if you stay too long. Plenty of rain in TX this year so it should be good. I hoping to get some meat in south TX come late Nov.

    Thanks Rob!
    Thanks for infinite inspiration Carl (1934-96)!

  4. #23
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    Default

    Most people really like the ultrawide 80+ degree AFOV eyepieces. If you're used to normal eyepieces, the first time you look through an ultrawide is a definite wow moment... You go from seeing something in an obvious circle to something where you hardly notice the edges... Far more immersive.

    It also means you go from being able to take everything in in one go, to having to look around to take it all in - which is why some people don't get on with them. They're also complex optical designs, which makes them expensive, and the wide AFOV often makes them bigger with less eye relief... To fit the wider angle in, you need more glass, or to put your eye closer, or both.

    Since they are expensive, it's a good idea to try one out before purchasing, if you can, to see if you get on with them... But there's a good chance you'll really like them.

    Personally, I think they're great, but I prefer a smaller AFOV for locating things, since I can take it in in one go...

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  6. #24
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    Default Re: Advice Wanted!

    Quote Originally Posted by jerryTheC View Post
    Most people really like the ultrawide 80+ degree AFOV eyepieces. If you're used to normal eyepieces, the first time you look through an ultrawide is a definite wow moment... You go from seeing something in an obvious circle to something where you hardly notice the edges... Far more immersive.

    It also means you go from being able to take everything in in one go, to having to look around to take it all in - which is why some people don't get on with them. They're also complex optical designs, which makes them expensive, and the wide AFOV often makes them bigger with less eye relief... To fit the wider angle in, you need more glass, or to put your eye closer, or both.

    Since they are expensive, it's a good idea to try one out before purchasing, if you can, to see if you get on with them... But there's a good chance you'll really like them.

    Personally, I think they're great, but I prefer a smaller AFOV for locating things, since I can take it in in one go...
    That's good, well rounded advice on the big fov. Thanks Jerry! Hopefully, with any luck, I'll get to look through a few different sizes and brands at a star party before I make a definitive decision. I feel as though that's one piece well worth the investment in superb quality. I can't wait to be 'wowed' by it all!
    Thanks for infinite inspiration Carl (1934-96)!

  7. #25
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    There's a big range in quality and price - at the top end are the Televue Nagler and Ethos ranges, that work brilliantly in both fast and slow scopes, then there are some that are somewhat cheaper and maybe not quite as good (although you may need to be an expert or have a very fast scope to notice) - like the William optics UWANs (and presumably the ES ultrawides, from what I've read - they seem to be very popular in the states, but I haven't come across them here in the UK) - down to much cheaper ones that have noticeable limitations, but are quite usable in slow scopes like SCTs.

    I've managed to pick up a few used Naglers over the years, and they're great eyepieces. I also have a 28mm WO UWAN - although I've seen reviews that rate the Naglers as being better, the UWAN works fine for me (once it's cooled down - it's a big chunk of glass, and the only eyepiece I've come across so far that has a noticeable cool down time before you get the best performance). I also have a cheap budget 30mm 80 degree eyepiece - it's a little soft at the edge in an SCT, but very usable; in faster scopes, the edge distortion gets worse, and moves in further, and in a very fast scope the edges are horrible - stars turn into giant seagull curves - but the central 50 degrees or so is still OK. Since it was around 1/5th of the cost of the equivalent Nagler - which would be sharp to the edge in anything, fast or slow, it's a reasonable trade off for SCT use... Less so in faster scopes, where the edge distortion becomes annoying.

    Still haven't decided whether 100 degree+ eyepieces are worth the extra cost over the 80+ ones.. I suspect I'd probably like them, but whether I'd like them enough to justify the jump in cost, I'm not sure .

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  9. #26
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    Default Re: Advice Wanted!

    Yes eyepieces, can you imagine spending more for 1 eyepiece than you did for your complete scope plus 3 dinners out, a movie and a very small pure bred dog? Or even worse yet having 3 eyepieces that you use and 11 that you don,t. One thing that i believe is a must have is a nice 2x-barlow,preferably a 2 inch that comes with a 1.25 adapter so you can install any size eyepiece. This alone doubles your inventory. As for field of view[fov] or apparent field of view[afov] when it becomes less than 50 degrees it is like looking down a tube. Take a paper towel roll tube and look at something through it,really can,t see much can you,but then again look at the detail you can make out with what you are looking at,it is a personal choice. With a non-tracking scope large fov means you get to look longer before you have to nudge your scope[i like that] as for as price goes i equate that to top fuel drag racing some teams spend 10 of thousands of dollars to go 1 hundredth of second faster,but are they having any more fun than the guy or gal in the old nova, i doubt it.i have a fast dob and like explore scientific because they perform in fast [f-5]dobsonian telescope,s,generous eye relief and they are inert gas purged[a biggy], leave one out in heavy dew,drop it in a fish bowl and you still don,t have to worry about mold growth on the inside of your eyepiece,okay enough said. On a side note your telrad finder fits between your focuser and your stock sighting scope just keep it back 1.5 to 2 inch,s from the end of the scope in-case you want to add a dew/light shield on your scope[think bottomless felt lined 5 gallon bucket attached to the end of your light bucket]c lear sky,s zxcvb

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  11. #27
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    Default Re: Advice Wanted!

    Quote Originally Posted by jerryTheC View Post
    There's a big range in quality and price - at the top end are the Televue Nagler and Ethos ranges, that work brilliantly in both fast and slow scopes, then there are some that are somewhat cheaper and maybe not quite as good (although you may need to be an expert or have a very fast scope to notice) - like the William optics UWANs (and presumably the ES ultrawides, from what I've read - they seem to be very popular in the states, but I haven't come across them here in the UK) - down to much cheaper ones that have noticeable limitations, but are quite usable in slow scopes like SCTs.

    I've managed to pick up a few used Naglers over the years, and they're great eyepieces. I also have a 28mm WO UWAN - although I've seen reviews that rate the Naglers as being better, the UWAN works fine for me (once it's cooled down - it's a big chunk of glass, and the only eyepiece I've come across so far that has a noticeable cool down time before you get the best performance). I also have a cheap budget 30mm 80 degree eyepiece - it's a little soft at the edge in an SCT, but very usable; in faster scopes, the edge distortion gets worse, and moves in further, and in a very fast scope the edges are horrible - stars turn into giant seagull curves - but the central 50 degrees or so is still OK. Since it was around 1/5th of the cost of the equivalent Nagler - which would be sharp to the edge in anything, fast or slow, it's a reasonable trade off for SCT use... Less so in faster scopes, where the edge distortion becomes annoying.

    Still haven't decided whether 100 degree+ eyepieces are worth the extra cost over the 80+ ones.. I suspect I'd probably like them, but whether I'd like them enough to justify the jump in cost, I'm not sure .
    Yep! I've seen nothing but super positive reviews of Televue line. Yeah, most of what I've read about the cheaper 100's & 80's is super edge distortion and some fishbowl effects. Seems most people either love em' or hate em'. Really just gotta look through a few to get a good idea of what I'll really like. What's your favorite piece to view some of the fainter messier objects?
    Thanks for infinite inspiration Carl (1934-96)!

  12. #28
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    Default Re: Advice Wanted!

    Quote Originally Posted by zxcvb View Post
    Yes eyepieces, can you imagine spending more for 1 eyepiece than you did for your complete scope plus 3 dinners out, a movie and a very small pure bred dog? Or even worse yet having 3 eyepieces that you use and 11 that you don,t. One thing that i believe is a must have is a nice 2x-barlow,preferably a 2 inch that comes with a 1.25 adapter so you can install any size eyepiece. This alone doubles your inventory. As for field of view[fov] or apparent field of view[afov] when it becomes less than 50 degrees it is like looking down a tube. Take a paper towel roll tube and look at something through it,really can,t see much can you,but then again look at the detail you can make out with what you are looking at,it is a personal choice. With a non-tracking scope large fov means you get to look longer before you have to nudge your scope[i like that] as for as price goes i equate that to top fuel drag racing some teams spend 10 of thousands of dollars to go 1 hundredth of second faster,but are they having any more fun than the guy or gal in the old nova, i doubt it.i have a fast dob and like explore scientific because they perform in fast [f-5]dobsonian telescope,s,generous eye relief and they are inert gas purged[a biggy], leave one out in heavy dew,drop it in a fish bowl and you still don,t have to worry about mold growth on the inside of your eyepiece,okay enough said. On a side note your telrad finder fits between your focuser and your stock sighting scope just keep it back 1.5 to 2 inch,s from the end of the scope in-case you want to add a dew/light shield on your scope[think bottomless felt lined 5 gallon bucket attached to the end of your light bucket]c lear sky,s zxcvb
    Haha! Nice analogy! I'm definitely ordering a 2x barlow with my package. Any recommendations? Thanks for the heads up on the telrad mount. Thats good to know about the explore scientific, good eye relief is a must. Never know when dew is gonna creep in. Whats your go to big fov for faint objects?
    Thanks for infinite inspiration Carl (1934-96)!

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    Default Re: Advice Wanted!

    Quote Originally Posted by Coprolite Whisperer View Post
    Haha! Nice analogy! I'm definitely ordering a 2x barlow with my package. Any recommendations? Thanks for the heads up on the telrad mount. Thats good to know about the explore scientific, good eye relief is a must. Never know when dew is gonna creep in. Whats your go to big fov for faint objects?
    Hard to beat a Televue Powermate. It dramaticaly outperforms my Celestron X-Cel that I bought when I first got my XT8 and it will work with 1.25" and 2" EP's. I like the PM matched to my 38mm for just searching the skies.
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  15. #30
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    Default Re: Advice Wanted!

    I actually use a zhumell 2 inch 2x-barlow,it has some features that i like,first it accepts 2 inch filter's as i am sure most if not all 2 inch barlow's do,but you can also remove the glass, install it directly to a 2 inch eyepiece[ep] and it then provides 1.5 power to that ep or you can screw a 2 inch filter into the barrel of the barlow[glass removed] and get no magnification,filtered viewing for all your 1.25 ep's. Now i must admit i don't have much experience with different barlow's although i do have a 1.25 celestron that doesn't hold a candle to the zhumell and i would like to read what anyone has to comment about it and others. One good test of a barlow is to look at an object with a let's say a barlowed 18mm an then switch to a un-barlowed 9 mm[half of 18 i like math] and see if the image stays the same. Now as far as a low powered searching ep is concerned[come here my little pretty] in my 12 inch scope 30mm is about max maybe 32,it seems that if i go any larger i just drive right over everything and all the faint nebula or fuzzies just become roadkill that i don,t see coming or going.i have noticed that once i have found something and studied it the next time i can find it allot easier even with the big eyepiece. And thank goodness to all those astro-imagers out there who take amazing pictures that actually help me to see detail. Ever hear that old adage, you can,t miss something you ain't never had,that is why i could never be a astro-imager,i would end up sleeping in a tent[in the day time of course]behind my 2nd shift job,steeling power from the neighbor, just so i could afford to produce those fantastic picture's. Coprolite[i am going to have to google that sounds like a very rare mineral] i hope this was of some help. Happy hunting=shoot for the stars.zxcvb

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