Page 1 of 5 123 ... LastLast
Results 1 to 10 of 42
Like Tree53Likes

Thread: Choice of 5mm eyepiece

  1. #1
    FredT's Avatar
    FredT is offline White Dwarf
    Points: 180, Level: 3
    Level completed: 60%, Points required for next Level: 20
    Overall activity: 0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!
    Join Date
    Aug 2018
    Location
    Wallan, VIC, Australia
    Posts
    18
    Points
    180
    Level
    3
    Thanks
    7
    Thanked 0x 0 Posts

    Default Choice of 5mm eyepiece



    Hi Folks.
    New to the forum and wanting to get a bit more serious with star gazing.
    I'm looking at either a Saxon Newtonian 200mm ($550) or 250mm ($700) OTA.
    They both come with 2" dual speed focus, 8x50 finder, 1.25" adaptor, 28mm 2" eyepiece.

    My question:
    Looking at 5mm eyepieces for some close ups and there seems to be quite a range in brand and pricing. Reading some reviews but still not sure.
    I'm guessing that if I'm on a budget, and plan to get a few eyepieces, better to spend more on small focal length/high mag eyepieces maybe?

    In the 5mm range from one vendor there is:
    Vixen NPL 6mm Super Plossl 50° FOV $79
    Saxon Cielo HD 4.5mm ED 60° FOV $99
    Celestron X-Cel LX 5mm 60° FOV $170
    Vixen SLV 5mm 45° FOV $199
    Baader Hyperion 5mm 68° FOV $199
    Celestron Ultima Duo Series 5mm 68° FOV $230

    There were also a couple even higher priced but that may be over the top for me.

    Any suggestions on what to go for please?

    Thanks,
    Fred

  2. #2
    not_Fritz_Argelander's Avatar
    not_Fritz_Argelander is online now HYPER GIANT
    Points: 177,590, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 99.6%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!750 Days+ Registered Achievement!First 1000 Experience Points
    Awards:
    Thread Award
    Join Date
    Jul 2011
    Location
    US
    Posts
    21,650
    Points
    177,590
    Level
    100
    Thanks
    7,221
    Thanked 45,793x 14,733 Posts
    Blog Entries
    59

    Default Re: Choice of 5mm eyepiece

    The Vixen NPL is a great performer and economically priced! If you can observe without glasses it's very good but eye relief is tight. The Baader... I used to have but found it not so good in my f5 Newtonian. For wider field and longer eye relief I like TV Delos.
    DeanD, 10538 and Bigzmey like this.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    : Refractors:

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ST80 (mods for white light solar), SV ED80 f7 Newtonians: Z12 f5 Catadioptrics: VMC110L, Intes MK66 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binocular Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    EQG

  3. #3
    Ozman13's Avatar
    Ozman13 is online now HYPER GIANT
    Points: 27,321, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 20.0%
    Achievements:
    2 Posts Achievement5 Threads Achievement!20 Posts Achievement!365 Days+ Registered Achievement!50 Posts Achievement!
    Join Date
    Jun 2013
    Location
    Hopkinsville Kentucky
    Posts
    7,886
    Points
    27,321
    Level
    100
    Thanks
    162
    Thanked 2,108x 1,888 Posts

    Default Re: Choice of 5mm eyepiece

    Both scopes are fast Newts and will be demanding on EPs, the 8" at f/6 is a little more forgiving than the 10" at f/4.9. I wouldn't go shorter than a 6mm EP with either scope. The Hyperion and the Ultima Duo EPs will not work well in the scopes nor most 70 degree EPs, Erfle designs, or the Q series EPs. My choice from your list would be the Celestron X-Cel LXs but would choose a longer one (at least 6mm), although the Vixen Super Plossl will work well too.
    10538, Bigzmey and Macrob1 like this.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ACF 8"SCT,
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    , Celestron C6A SCT,
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    120, ES 102CF Apo triplet, ES AR102, ST100, ST90, Apex 90mm Mak, ST80, ETX60, Oberwerk 25x100s, 15x70s, 8x56s, Kasai 2.3x40s, Celestron AVX, CG4, SLT, LCM, Obie HD Parallel Bino mount, Canon T5, Meade DSI2 Pro, Phillips cam, Explore Scientific 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm 82 degree EPs, ES 24mm, 20mm, 16mm 68 degree EPs, Baader 9mm Ortho, Meade 5000 SWA EP set, many more various EPs, Baader
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    &SkyGlow, FringeKiller, SemiApo filters, Celestron UHC, Meade 4000 Nebular Filter, Kson OIII, DGM NPB and lots of astro stuff.

  4. #4
    FredT's Avatar
    FredT is offline White Dwarf
    Points: 180, Level: 3
    Level completed: 60%, Points required for next Level: 20
    Overall activity: 0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!
    Join Date
    Aug 2018
    Location
    Wallan, VIC, Australia
    Posts
    18
    Points
    180
    Level
    3
    Thanks
    7
    Thanked 0x 0 Posts

    Default Re: Choice of 5mm eyepiece

    Thanks very much for the feedback.
    Just for more detail, the OTAs I’m looking at are either a Saxon 200/1000mm or 250/1200mm.
    I'm also still trying to get my head around FOV requirements when it comes to EPs.
    Am I right to look at spending more on small focal length/high mag eyepieces (5-8mm) because maybe this is where the extra money makes more of a difference than with longer focal length?
    Quite a difference in price between the Celestron X-Cel LXs and the Vixen NPL Super Plossl.
    I don't mind having to spend a little more if there is a proportional benefit in viewing.
    Thanks,
    Fred

  5. #5
    Ozman13's Avatar
    Ozman13 is online now HYPER GIANT
    Points: 27,321, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 20.0%
    Achievements:
    2 Posts Achievement5 Threads Achievement!20 Posts Achievement!365 Days+ Registered Achievement!50 Posts Achievement!
    Join Date
    Jun 2013
    Location
    Hopkinsville Kentucky
    Posts
    7,886
    Points
    27,321
    Level
    100
    Thanks
    162
    Thanked 2,108x 1,888 Posts

    Default Re: Choice of 5mm eyepiece

    Ok, so I thought the 8" was the f/6 Dob but I see it is the shorter f/5 scope.

    Generally speaking, longer focal length EPs cost more than shorter ones of the same design. Ultimately, you will want at least a few EPs to cover a range of focal lengths. You will most likely spend more time with longer lengths and wider views than you will with shorter high magnification EPs with narrow views. If I could only buy one, it would be a longer length and I would Barlow to get to the shorter length I wanted, say get a 12mm EP and Barlow it to 6mm so I would have the benefit of the longer EP as well.

    The price on the X-Cel LXs for you is EXHORBITANT!! Here in the US they are $70. The view through these and the Vixen Super Plossl is probably very similar, but the X-Cel LXs are wider. But the huge difference in price would send me to the Vixens. I HIGHLY RECOMMEND the ES lines of EPs if available to you at an AFFORDABLE (?) price, they will perform very well in the scopes.
    Juno16 likes this.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ACF 8"SCT,
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    , Celestron C6A SCT,
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    120, ES 102CF Apo triplet, ES AR102, ST100, ST90, Apex 90mm Mak, ST80, ETX60, Oberwerk 25x100s, 15x70s, 8x56s, Kasai 2.3x40s, Celestron AVX, CG4, SLT, LCM, Obie HD Parallel Bino mount, Canon T5, Meade DSI2 Pro, Phillips cam, Explore Scientific 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm 82 degree EPs, ES 24mm, 20mm, 16mm 68 degree EPs, Baader 9mm Ortho, Meade 5000 SWA EP set, many more various EPs, Baader
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    &SkyGlow, FringeKiller, SemiApo filters, Celestron UHC, Meade 4000 Nebular Filter, Kson OIII, DGM NPB and lots of astro stuff.

  6. The Following User Says Thank You to Ozman13 For This Useful Post:

    FredT (08-12-2018)

  7. #6
    not_Fritz_Argelander's Avatar
    not_Fritz_Argelander is online now HYPER GIANT
    Points: 177,590, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 99.6%
    Achievements:
    365 Days+ Registered Achievement!2 Posts Achievement20 Posts Achievement!750 Days+ Registered Achievement!First 1000 Experience Points
    Awards:
    Thread Award
    Join Date
    Jul 2011
    Location
    US
    Posts
    21,650
    Points
    177,590
    Level
    100
    Thanks
    7,221
    Thanked 45,793x 14,733 Posts
    Blog Entries
    59

    Default Re: Choice of 5mm eyepiece

    Correction. The Vixen "Super Plossl" is NOT a "Super Plossl". It's a Plossl and that's how Vixen sells them. Coatings and glass materials may be updated but it's design is based on Plossl. There are 4 lenses grouped 2-2.

    Most "Super Plossls" are 5 lenses grouped 2-1-2 and are based on non Plossl designs like the Zeiss Astroplan.
    KT4HX and Gabby76 like this.

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    : Refractors:

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    ST80 (mods for white light solar), SV ED80 f7 Newtonians: Z12 f5 Catadioptrics: VMC110L, Intes MK66 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binocular Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    EQG

  8. #7
    KT4HX's Avatar
    KT4HX is offline HYPER GIANT
    Points: 98,895, Level: 100
    Level completed: 0%, Points required for next Level: 0
    Overall activity: 30.0%
    Achievements:
    365 Days+ Registered Achievement!First 1000 Experience Points750 Days+ Registered Achievement!1000 Days+ Registered Achievement!200+ Posts Achievement!
    Join Date
    Dec 2008
    Location
    Virginia
    Posts
    11,692
    Points
    98,895
    Level
    100
    Thanks
    1,381
    Thanked 7,994x 4,316 Posts
    Blog Entries
    200

    Default Re: Choice of 5mm eyepiece

    I take it you are in Victoria. There is a seller in Oz who sells astro gear on Ebay and he markets a Dual Ed series that is make by Barsta. The 5mm is 5 elements in 3 groups, and is known variously as the Astro-Tech Paradigm or Agena Starguider Dual ED in the U.S. and the BST Starguider Dual ED in the UK. They are also sold under the Omegon and Teleksop Service names. They are all of the same design, and have a good reputation. The weakest ones of the line are generally considered to be the 25mm and 18mm. But the 15mm, 12mm, 8mm and 5mm are generally well liked and are a nice step up from the averge Plossl of today. At 5mm it would also have more eye relief than a Plossl. You might want to check out his store on Ebay, where they sell for 79 AUD plus 7.60 shipping. Below is the link and hope that is helpful.

    https://www.ebay.com/itm/5mm-Dual-ED...#shpCntId#shId
    Alan || My DSO Blog:
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.

    ---------------------------------------------------------------------------
    Astro Sky 17.5 f/4.5 Dob || Apertura AD12 f/5 Dob || Zhumell Z10 f/4.9 Dob
    ES AR127 f/6.5 and ES ED80 f/6 on Twilight-II Mount
    ES 82° 24mm thru 4.7mm
    ---------------------------------------------------------------------------
    Astronomers: We look into the past to see our future.

  9. The Following User Says Thank You to KT4HX For This Useful Post:

    FredT (08-12-2018)

  10. #8
    FredT's Avatar
    FredT is offline White Dwarf
    Points: 180, Level: 3
    Level completed: 60%, Points required for next Level: 20
    Overall activity: 0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!
    Join Date
    Aug 2018
    Location
    Wallan, VIC, Australia
    Posts
    18
    Points
    180
    Level
    3
    Thanks
    7
    Thanked 0x 0 Posts

    Default Re: Choice of 5mm eyepiece

    Yes Ozman13, some very high prices here but seems to depend. I checked a US vendor that ships to Aus.
    agenaastro.com
    Celestron 1.25" X-Cel LX Eyepiece - 5mm US$72.95 (+ US$23.50 shipping) ~US100
    Vixen 1.25" SLV Lanthanum Eyepiece - 5mm US$169 (+ US$23.50 shipping) ~US$193
    Compare to Australia:
    Celestron X-Cel LX 5mm $170
    Vixen SLV 5mm $199

    Interestingly the Vixen seems cheaper here (allow US $ exchange rate) and the Celestrons way cheaper from US including delivery!

    How does that work?

    I'll take on the good advice and shop around for prices including overseas options.

    Cheers,
    Fred

  11. #9
    pastorg's Avatar
    pastorg is offline Main Sequence
    Points: 4,036, Level: 42
    Level completed: 58%, Points required for next Level: 64
    Overall activity: 0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!50 Posts Achievement!5 Threads Achievement!365 Days+ Registered Achievement!
    Join Date
    Aug 2014
    Location
    White Bluff, TN
    Posts
    149
    Points
    4,036
    Level
    42
    Thanks
    0
    Thanked 29x 26 Posts

    Default Re: Choice of 5mm eyepiece

    I really like the Meade 5.5mm 82 Degree UWA eyepiece for a high power eyepiece.
    Don Alvarez likes this.
    Z12 Dob, SW 120ED Pro Refractor, 102mm Celestron Omni XLT Refractor, Meade 70mm AZ Refractor, Pentax 10x50 Binoculars, Various Eyepieces and Filters.

  12. #10
    FredT's Avatar
    FredT is offline White Dwarf
    Points: 180, Level: 3
    Level completed: 60%, Points required for next Level: 20
    Overall activity: 0%
    Achievements:
    2 Posts Achievement20 Posts Achievement!
    Join Date
    Aug 2018
    Location
    Wallan, VIC, Australia
    Posts
    18
    Points
    180
    Level
    3
    Thanks
    7
    Thanked 0x 0 Posts

    Default Re: Choice of 5mm eyepiece

    Thanks for the link Alan.
    Seem like very nice EPs for the price.
    I checked out the astronomyforum eyepice database. Filtered based on focal length and then weight. I figured that a heavier eyepiece means more glass and maybe better optics. Just a theory.
    The Astrotech EPs you mention seemed to pack some weight for the price compared to others and I saw some good reviews.
    Will definitely consider.
    Cheers.

 

 
Page 1 of 5 123 ... LastLast

Similar Threads

  1. help eyepiece choice
    By edewolf in forum Astronomy Beginners Forum
    Replies: 1
    Last Post: 08-05-2018, 09:18 PM
  2. Eyepiece choice for 8” SCT
    By Stave84 in forum Astronomy Beginners Forum
    Replies: 7
    Last Post: 12-11-2017, 12:37 AM
  3. ES eyepiece choice for AD10 specifically
    By jdb95 in forum Telescope Eyepieces Forum
    Replies: 26
    Last Post: 12-05-2014, 03:03 AM
  4. Help with eyepiece choice part 2
    By blaw51871 in forum Telescope Eyepieces Forum
    Replies: 2
    Last Post: 12-21-2010, 09:04 PM
  5. Eyepiece set choice
    By pedalmasher in forum Astronomy Beginners Forum
    Replies: 12
    Last Post: 12-16-2010, 03:56 AM

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 04:24 AM.