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  1. #1
    RouTaran's Avatar
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    Default Panoptic 35mm or Nagler 17mm



    Hey all,
    I'm heading out to the air show in BC for the weekend and i am planning to take the tube with me. Supposed to be fantastic weather this weekend there. Anyway, i've been saving for an eye piece for the past month and i wanted some advice on which way to go.

    i already got 10 & 25mm plossls with a barlow. I would like to pick up a higher end peice to expand the collection but i am torn between the two i have listed.

    All the reviews i have read just endlessly rave on about the 17mm nagler and its "space walk" feeling with the massive field of view. But at the same time, i really also want a nice wide angle piece. Unfortunately, i have to behave myself and only get 1. The place thats selling them here in edmonton has them both listed for the same price ($379 CAN)

    I just cant decide which one will give me more at this point.

    Both have long eye relief, both fit in my 2" focuser, both have a bigger field of view than my 25mm plossl, both wont work with my 1.25" barlow. Both have great reviews. Large clusters and galaxies would look great in the 35mm but smaller nebulae and clusters would be fantastic in the 17mm.

    I know i'll end up with both over the next 2-3 months but i really dont know how to pick what i get first lol

    Help!
    My Toy:
    Orion SkyQuest XT8i Computerized IntelliScope
    Eye peices:
    Orion Sirius Plossl (10mm & 25mm)

    My Horizon

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  2. #2
    ibase's Avatar
    ibase is offline HYPER GIANT
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    Default

    The Nagler's AFOV is 82 degrees, compared to the Panoptic's 68-degrees. Same price? Get the Nagler (I have both types). Just 2 cents.

    Best,

    Hernando

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  4. #3
    ICIt2's Avatar
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    Default

    I agree with Hernando. I have the 17 Nagler that I use in a Z10 for DSO's and clusters.

    Here's a link that might help: Nagler Eyepieces

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  6. #4
    Bob327's Avatar
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    I WOULD NOT buy the Nagler...at least until you actually tried one in your scope and see how it preforms......

    This(evaluating eyepieces in your scope) is a major benefit of joining a local Astronomy club especially one that holds frequent star parties ...

    Naglers (all of them) are Great Eyepieces ...BUT they are NOT for everyone... I sold the two I owned and dropped down to Panoptics and Pentax Xw's because 68-70 degree FOV is just a LOT more comfortable for me to use... the FOV is still plenty wide and I do not have to shift my eyeball all over the FOV to take it all in...

    In theory the human eye can take in about 140 degrees...BUT baby all of us do not have near the ability to do that...

    I'm not alone in this ...quite a lot of us just are more comfortable and happy with a little less FOV...

    I strongly suggest you "borrow" ANY eyepiece you are thinking about buying at a star party for a few minutes from a club member...

    BTW...The 35 mm Pan that I own does get a ton of use but then again I am into DSO's and normally use lower powered eyepieces then I do higher powered eyepieces...

    Bob G
    CPC1100 housed in a slotted domed observatory (Exploradome) 4 and 5 inch refractors for use from the lawn, a 8" Sct (NS 8i) for star parties...
    I Hate the winter so I use heated Motorcycle clothing to stay warm while observing in winter
    Retired, also have 2 other hobbies
    1. tinker with older Corvettes (6 in garage)
    2. make a heck of a lot of sawdust in my wood shop.

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  8. #5
    WWPierre's Avatar
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    I can't advise you on EPs, but I would like to invite you to Squamish for your session, if you haven't already made arrangements.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5;
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    127 Mak/go-to EQ5; Burgess 127f8 refractor; Sky-Watcher 5" F/5 collapsible dob; 90mm Mak/motorized EQ2; Royal Astro 76/910-GEM; Meade 60x700 refractor/alt/az; Zhumell 25x100 Coin Ops; GalilleoScope. Celestron 8mm-24mm zoom; lots of fixed EPs,some good, some..not so much. A small collection of surveying instruments; a forest of tripods; Canon Rebel Xti. Confirmed gadget junkie; Custodian of the Magnetic North Pole (Send $1.00 to Pierre each time you use a compass.)
    49-41-37.03N 123-09-29.61W Calculated magnetic declination: 17░ 39' East

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  9. #6
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    Thanks for the input guys.
    @Bob: Unfortunately, the next star party that i am aware of will not happen till next month. I definately understand the value of actually seeing the equipment in a live working environment. I always wanted a 16" Dob without ever fully comprehending just how large it is, luckily i saw one and changed my mind before i ordered it online.
    But given the fact that I dont see real opportunity to test these eye peices and i will be going on a trip to the darkest skies i have been to yet, i do not want to miss the opportunity to take in the best sights possible.
    The only thing i have see through are Orion's Sirrus Plossls. I dont have any other frame of reference. I find that the 25mm doesnt quiet give me as large a field of view as i would like but it is still good but the 10mm is definately too small. The only time i have pulled out the 10mm is when i have been observing jupiter or when i first align my finder's scope and telrad. Other wise, the only thing i look though is the 25mm, sometimes with the barlow.

    Here's my main line of thinking, i wanna see a big chunk of the sky at a time
    using:
    True Field = (stop field/FL) * 57.3
    Part of the reason i had thoughts of the 35mm panoptic instead of the 31mm nagler. I dont think, at the low magnification, i'd be able to tell the difference betwee the 2.00 Degrees i get from the nagler to the 1.85 Degress I would get from the pan. bang for buck, i think i'll get more fromt he pan
    But comparing the 10mm Sirrus Plossl to the 17mm Nager the difference was 0.382 Degress to 1.16 Degrees.

    I know both the eyepeices would be a massive upgrade on what i have right now. There are 3 sites with bortle rating 1(black) on our way and i am almost desperate to make the most from the opportunity. Best around edmonton is yellow
    I'd definately like to test both out before spending money but time is my problem, we made these plans very last minute and i no longer have time to test and i am still unsure as what i should do.

    @Pierre: We're headed to abbotsford for the airshow. I dont think we'll make it all the way up to Squamish m8 any suggestions you have for sites to visit after dark east of abbotsford?
    My Toy:
    Orion SkyQuest XT8i Computerized IntelliScope
    Eye peices:
    Orion Sirius Plossl (10mm & 25mm)

    My Horizon

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  10. #7
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    Default

    Roytaran:

    Sounds like you have a bad bad case of the I wants....plus a good dose of NOW thrown in ...

    The Good news is that both of these eyepieces are EXTREMELY easy to sell on any astronomy forum especially on Astromart
    Plus they will fetch darn close to full retail price ...

    SO IF I were in your shoes...I'd buy them both and I'd buy them with a credit card the day after my next statement closed...then I would use them and determine which one (or both) to keep ... I do not think you would have a problem selling either one in a 60 day period before you actually had to pay for them...

    In essence you would be RENTING the darn thing...(and doing so pretty cheaply at that..

    Bob G.
    BTW You should try a SCT is you want to see what a small fov looks like.. LOL ...I solved that by piggybacking a Wide Field short tube 80 mm refractor on top of my CPC just for low powered wide field views... darn thing cost less then the eyepieces you are considering...
    CPC1100 housed in a slotted domed observatory (Exploradome) 4 and 5 inch refractors for use from the lawn, a 8" Sct (NS 8i) for star parties...
    I Hate the winter so I use heated Motorcycle clothing to stay warm while observing in winter
    Retired, also have 2 other hobbies
    1. tinker with older Corvettes (6 in garage)
    2. make a heck of a lot of sawdust in my wood shop.

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  12. #8
    WWPierre's Avatar
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    Quote Originally Posted by RouTaran View Post
    @Pierre: We're headed to abbotsford for the airshow. I dont think we'll make it all the way up to Squamish m8 any suggestions you have for sites to visit after dark east of abbotsford?
    Fraser Valley Astronomers Society Message Board Calendar

    This may jive with your schedule.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5;
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    127 Mak/go-to EQ5; Burgess 127f8 refractor; Sky-Watcher 5" F/5 collapsible dob; 90mm Mak/motorized EQ2; Royal Astro 76/910-GEM; Meade 60x700 refractor/alt/az; Zhumell 25x100 Coin Ops; GalilleoScope. Celestron 8mm-24mm zoom; lots of fixed EPs,some good, some..not so much. A small collection of surveying instruments; a forest of tripods; Canon Rebel Xti. Confirmed gadget junkie; Custodian of the Magnetic North Pole (Send $1.00 to Pierre each time you use a compass.)
    49-41-37.03N 123-09-29.61W Calculated magnetic declination: 17░ 39' East

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  14. #9
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    @Pierre: Sweet thats awesome! I guess i know what i'll be doing saturday. spend the day at the airfield and head out to the observing site in the evening

    @Bob: lol, i read that first line, paused went back and read my posts and loled some more. You got it spot on in that i am being impatient. I think i'm gonna let sanity prevail and take your original advice, take my time, go to a star party and actually see through them before deciding. I only started doing this around a month ago and i really should learn first. But when i do, i think i will use the little credit card trick you outlined there, its a very safe way to buy just in case and i really wont even notice it!

    I appreciate the sound advice and the little kick in the impatience thanks
    My Toy:
    Orion SkyQuest XT8i Computerized IntelliScope
    Eye peices:
    Orion Sirius Plossl (10mm & 25mm)

    My Horizon

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  15. #10
    ibase's Avatar
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    While trying out the Panoptic, test the feel while panning across the star field, some previous owners have gone dizzy because of the pincushioning effect, making them sell the Pan, the king of pincushion distortion (a flagpole will not appear straight when placed near the edge of the field, and appear to be bowed or curved toward the center resembling an actual pincushion). Naglers have them too, but the Pans has a truckload of it. To my eyes though, it's not bothersome. Just something to look out for.

    Best,

    Hernando

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