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  1. #1
    CptKirk's Avatar
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    Default Eyepieces for Q70 Telescope?



    Greetings fellow stargazers. My first post here. I must say there are some really great minds here sharing some very useful info. Glad I found this forum!

    Been using a Meade 395 refractor off and on for years. Finally decided to get something with a little freedom of movement. So I have an Orion Dob 8" on the way. These days they only come with one EP, a 25mm. That should be fine. My mom has a good collection of 1.25 EPs and filters to fool with so it will be cool to find what works best with the new Dob.

    But I did want to try out the 2" capability so I also ordered a Q70 26mm wideview with it. I'm hoping it will be compatible enough to enjoy.

    It doesn't take much reading to start to wonder. Its an f/5.9 basically 6. I'm hoping that its not so "fast" that it distorts too much. I can deal with some edge distortion assuming its not too bad.

    I was hoping someone here could give a little hands on experience with this setup arrangement. Also noticed they have 2" 2xBarlows. What would happen to the image with the Q70 26mm if I bumped it up to higher power? Would it really get distorted? The FOV would decrease as the power went up right? I'm pretty green with all this so I'm a little lost.

    There may already be a post here somewhere dealing with this and if so I apologize in advance.

  2. #2
    WWPierre's Avatar
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    Welcome to our little corner of Cyberspace, Capt.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 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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    Hi Capitan kirk ...Welcome aboard the forums ...Thanks for joining up and jumping in ..Ask any questions you want to ask ...

    I think your right in assuming that the field of view decreases with a Barlow but i am not sure ...
    16in Night sky
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    F4.5 , 90mm refractor 500mm FL , 7in
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    classic Big-mac , Meade eye pieces with a few odd balls thrown in ...
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  4. #4
    CptKirk's Avatar
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    Default Eyepieces for Q70 Telescope?

    Thank you for the nice welcome.

    Hmm well if the FOV decreased but the image was still good I'd be ok with that. Being a 2inch lens it would still be bigger than the 1.25 view with same Barlow I assume. That would be fine.

    The Barlow I'm looking at is the GSO 2" ED Barlow, about 78 bucks. Its the one that allows you to use 1.5 or 2X mag. That would put my Q70 26mm at 46X up to 16mm 75X with the 1.5 lens, and then up to 11mm 109X with the full 2X Barlow. Hoping there is enough focuser play to actually get things in focus with both. That would be cool to me using the 2" wide view, if it works right.

    Still nervous about what kind of image I'll get with the wide view lens at f/5.9...

    Its set to arrive on Wed so I'll know soon enough. I'll probably go ahead and order the 2" Barlow anyway. If the 26mm doesn't work well I'm betting a 32mm or 38mm would and I'd still like a little boost from time to time.

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    Too add to the previous, I'm assuming my math was correct with the lens and barlow mag predictions. I might be totally off there. Am I figuring the stuff correctly? haha

  6. #6
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    Quote Originally Posted by CptKirk View Post
    Too add to the previous, I'm assuming my math was correct with the lens and barlow mag predictions. I might be totally off there. Am I figuring the stuff correctly? haha
    lol, I looked back at your posts, and couldn't find the focal length of the telescope you ordered, except to go and find a tape measure to convert 8" to mms, and I don't feel like walking down to the shop right now, so I can't check your math. , but it seems close.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 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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  8. #7
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    I'm sorry about that, 1200mm.

    Tonight I spent hours peering into the night sky. Just using my 10x50 binocs. My goal was to find and identify the landmarks. I am getting better every night I go out. The last few nights I found what I thought were easy ones like Sagittarius, Scorpius, Polaris from Big Dipper and Cassiopeia.

    But tonight I got much further with spotting Draco, Cepheus, Lacerta, Cygnus, Lyra, Aquila, Ophiuchus, Capricornus. With Hercules I have some probs following the "arms and legs", but I'm getting there. Sorry, this probably isn't the right topic to discuss this. Just excited about my progress.

  9. #8
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    Quote Originally Posted by CptKirk View Post
    I'm sorry about that, 1200mm.

    ........ Sorry, this probably isn't the right topic to discuss this. Just excited about my progress.
    Heh, Well, you did hijack a thread, but, seeing as it had been hijacked before, we can let it go. .....this time.

    It's great that you are starting at the foundation. It's all about pattern recognition.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 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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  10. #9
    WWPierre's Avatar
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    Actually, Capt. I just read this thread, and I think it should be locked, so I'm gonna start a new thread for ya. ......I think. New at the job.......here goes....
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 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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  12. #10
    WWPierre's Avatar
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    Lol, the boss beat me to it.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 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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