Page 1 of 3 123 LastLast
Results 1 to 10 of 24
  1. #1
    Schlayer's Avatar
    Schlayer is offline White Dwarf
    Points: 591, Level: 11
    Level completed: 82%, Points required for next Level: 9
    Overall activity: 0%
    Achievements:
    50 Posts Achievement!10 Days registered2 Posts Achievement20 Posts Achievement!
    Join Date
    Dec 2011
    Location
    Florida
    Posts
    43
    Points
    591
    Level
    11
    Thanks
    10
    Thanked 8x 7 Posts

    Default Explore Scientific 70' FOV help



    I can find lots of info on the new 82 and 100' FOV EP's but i cant find much on the old 70' FOV... I want to know if they accept standard filters, I thought all EP's were threaded, but I cant find any mention of it. I notice that they can be had for really cheap, and they appear to be made well(with all the features of much higher priced EP's) I would like to here from someone that owns or has owned ES 70' Eyepieces before I pull the trigger. Thank you for your time

  2. The Following User Says Thank You to Schlayer For This Useful Post:

    clearskyfc (01-06-2012)

  3. #2
    aonifer's Avatar
    aonifer is offline White Dwarf
    Points: 5,992, Level: 53
    Level completed: 21%, Points required for next Level: 158
    Overall activity: 0%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!50 Posts Achievement!750 Days+ Registered Achievement!
    Join Date
    Nov 2011
    Location
    Pittsburgh, PA, USA
    Posts
    43
    Points
    5,992
    Level
    53
    Thanks
    2
    Thanked 14x 9 Posts

    Default

    Judging by the pictures in this thread, it looks like it does. I've never encountered a mondern eyepiece that wasn't threaded. I just pulled the trigger on a 10 mm (can't beat the price right now). I'll update if no one else has a definitive answer by then.

  4. The Following 4 Users Say Thank You to aonifer For This Useful Post:

    clearskyfc (01-06-2012),jproffitt1 (04-07-2012),Schlayer (01-06-2012),sm7 (01-06-2012)

  5. #3
    clearskyfc's Avatar
    clearskyfc is offline White Dwarf
    Points: 576, Level: 11
    Level completed: 52%, Points required for next Level: 24
    Overall activity: 0%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!
    Join Date
    Dec 2011
    Location
    San Francisco Bay Area, California
    Posts
    13
    Points
    576
    Level
    11
    Thanks
    13
    Thanked 6x 5 Posts

    Default

    Does anybody know what is the eye relief on the 20mm 70' Explore Scientific ? The thread that aonifer linked to suggests that it might be around 12mm. Can anybody confirm ?

    ClearSkyFC.

  6. #4
    Bob327's Avatar
    Bob327 is offline HYPER GIANT
    Points: 41,366, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 0%
    Achievements:
    10 Days registered200+ Posts Achievement!First 1000 Experience PointsGot three Friends365 Days+ Registered Achievement!
    Join Date
    Sep 2009
    Location
    Frederick Maryland
    Posts
    9,247
    Points
    41,366
    Level
    100
    Thanks
    19
    Thanked 4,039x 3,068 Posts

    Default

    Gosh those things are downright dirt cheap now... I do not like ultra wide eyepieces (like a 82 degrees) and I now only use 68-70 degree eyepieces BUT my eyepiece case is full and I have no need for any more eyepieces BUT if I did I definitively would give one a try at those prices

    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.

  7. The Following User Says Thank You to Bob327 For This Useful Post:

    jproffitt1 (03-31-2012)

  8. #5
    Widespread's Avatar
    Widespread is offline Bright Giants
    Points: 4,593, Level: 46
    Level completed: 22%, Points required for next Level: 157
    Overall activity: 0%
    Achievements:
    200+ Posts Achievement!365 Days+ Registered Achievement!First 1000 Experience Points50 Posts Achievement!5 Threads Achievement!
    Join Date
    Mar 2011
    Location
    Bowling Green, KY
    Posts
    283
    Points
    4,593
    Level
    46
    Thanks
    146
    Thanked 180x 78 Posts

    Default

    I've got the 20ES70, and it's my most-used EP. I use it as my finder EP (replacing the stock 25mm Plossl), and keep it in there for most DSOs. I swap it out for my ES82s on planets or high-mag DSO views (e.g. M42 trapezium).

    I just ordered a Celestron 6.3 focal reducer for wider views, so I'm thinking of getting a 24ES68 to get closer to the maximum TFOV for 1.25" format (without breaking the bank on a 24 Pan).
    Celestron 8SE

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ST80
    Oberwerks 15x70 & Orion 9X63 binos

  9. #6
    Schlayer's Avatar
    Schlayer is offline White Dwarf
    Points: 591, Level: 11
    Level completed: 82%, Points required for next Level: 9
    Overall activity: 0%
    Achievements:
    50 Posts Achievement!10 Days registered2 Posts Achievement20 Posts Achievement!
    Join Date
    Dec 2011
    Location
    Florida
    Posts
    43
    Points
    591
    Level
    11
    Thanks
    10
    Thanked 8x 7 Posts

    Default

    ordering the 10mm,25mm,30mm and 35mm tonight(or tomorrow) will answer any questions about them when I get them hopefully before the 14th (taking a trip out to the glades for some DS action)

  10. #7
    SenAnthony's Avatar
    SenAnthony is offline White Dwarf
    Points: 533, Level: 10
    Level completed: 66%, Points required for next Level: 17
    Overall activity: 0%
    Achievements:
    10 Days registered5 Threads Achievement!2 Posts Achievement20 Posts Achievement!
    Join Date
    Jan 2012
    Location
    Cape Canaveral, FL
    Posts
    22
    Points
    533
    Level
    10
    Thanks
    7
    Thanked 9x 3 Posts

    Default

    The eye relief on the ES 70's is 5mm across the board.

    My hunch is that is why the prices are lower.. less market demand perhaps?

  11. #8
    Schlayer's Avatar
    Schlayer is offline White Dwarf
    Points: 591, Level: 11
    Level completed: 82%, Points required for next Level: 9
    Overall activity: 0%
    Achievements:
    50 Posts Achievement!10 Days registered2 Posts Achievement20 Posts Achievement!
    Join Date
    Dec 2011
    Location
    Florida
    Posts
    43
    Points
    591
    Level
    11
    Thanks
    10
    Thanked 8x 7 Posts

    Default

    I think that because they now N2 purge(and advertise that they are doing it) that there may of had problems with mold or something. If I can get 3-5 years out of them at $170 total, then I would be happy

  12. #9
    SenAnthony's Avatar
    SenAnthony is offline White Dwarf
    Points: 533, Level: 10
    Level completed: 66%, Points required for next Level: 17
    Overall activity: 0%
    Achievements:
    10 Days registered5 Threads Achievement!2 Posts Achievement20 Posts Achievement!
    Join Date
    Jan 2012
    Location
    Cape Canaveral, FL
    Posts
    22
    Points
    533
    Level
    10
    Thanks
    7
    Thanked 9x 3 Posts

    Default

    Quote Originally Posted by Schlayer View Post
    I think that because they now N2 purge(and advertise that they are doing it) that there may of had problems with mold or something. If I can get 3-5 years out of them at $170 total, then I would be happy
    Ahhh... you know I did wonder why in all the advertising copy I saw on those EP's, they kept bringing that up.

    Do you think that mold or an internal moisture problem is something that should be checked out on some cheaper brands of used EPs?

  13. #10
    aonifer's Avatar
    aonifer is offline White Dwarf
    Points: 5,992, Level: 53
    Level completed: 21%, Points required for next Level: 158
    Overall activity: 0%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!50 Posts Achievement!750 Days+ Registered Achievement!
    Join Date
    Nov 2011
    Location
    Pittsburgh, PA, USA
    Posts
    43
    Points
    5,992
    Level
    53
    Thanks
    2
    Thanked 14x 9 Posts

    Default

    Quote Originally Posted by SenAnthony View Post
    The eye relief on the ES 70's is 5mm across the board.

    My hunch is that is why the prices are lower.. less market demand perhaps?
    I don't know if it was in the thread I linked, but somewhere I read that that's a typo. One person estimated that the eye relief on the 20mm was more like 12mm.

 

 
Page 1 of 3 123 LastLast

Similar Threads

  1. Replies: 10
    Last Post: 10-18-2013, 07:13 PM
  2. Explore Scientific ED 102 APO with CG-5GT?
    By coolie in forum Refractor Telescopes Forum
    Replies: 10
    Last Post: 06-27-2013, 03:12 AM
  3. Explore Scientific
    By PeterB in forum Refractor Telescopes Forum
    Replies: 10
    Last Post: 02-05-2012, 12:35 AM
  4. Explore Scientific
    By kkokkolis in forum Telescope Eyepieces Forum
    Replies: 5
    Last Post: 10-20-2010, 03:09 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBulletin® Version 4.2.0
Powered by vBulletin®
All times are GMT. The time now is 06:55 AM.