Jump to content

stargazine_ep39_banner.thumb.jpg.b87bddaa2aded94d2a3456c0589a82b9.jpg

Recommended Posts

Hello!

Any idea where I can find an M54 female to M60 male ring adapter? I need to order it online since there arent any astroshops where I live so I'd really appreciate if someone can link me to such an adapter.

Basically I have a TS Optics 2" Adapter with compression Ring for Skywatcher Newtonians, TSM54-2 and I need to use it for my celestron newtonian which has a 60mm drawtube so I'll need some sort of adapter.

Clear skies!

Link to post
Share on other sites
1 minute ago, Louis D said:

First, make sure both are 0.75mm threads before proclaiming M??.  Many astro and adapter threads are actually 1mm thread pitch.

I actually don't know what that means. I've just started with this so how can I check if it's 0.75 or 1 mm? You mean I'll have to measure the distance between the threads or what?

Link to post
Share on other sites

Yep, measure the distance between 5 thread crests or use a thread gauge. Or match it against a thread you know the pitch of, it will not sit tightly in the comparison threads if it's not the same. 

Link to post
Share on other sites
11 hours ago, Louis D said:

First, make sure both are 0.75mm threads before proclaiming M??.  Many astro and adapter threads are actually 1mm thread pitch.

could be M60 x 0,75 or M60 x 1,0 or M60 x 1,25 ... but they are all M sizes. Not just M60 x 0,75 is metric. 

Link to post
Share on other sites
2 hours ago, Waldemar said:

could be M60 x 0,75 or M60 x 1,0 or M60 x 1,25 ... but they are all M sizes. Not just M60 x 0,75 is metric. 

Certainly, but in normal parlance, M?? usually refers to 0.75mm threads, especially as relates to photographic step rings for filters.  It really gets to be an issue with M42 which could mean 42mm by 0.75mm threads for step rings for filters vs the threaded lens mount size of 42mm by 1mm threads.

Link to post
Share on other sites

I'm thinking the OP may have more luck trying to locate an OEM 2" adapter for that Celestron drawtube.  In the US, I'd contact some of the older second hand astro dealers like Bill Vorce of Telescope Warehouse.  I don't know who would be an equivalent in the UK, though.

Link to post
Share on other sites
On ‎21‎/‎08‎/‎2018 at 11:16, Anthony RS said:

Hello!

Any idea where I can find an M54 female to M60 male ring adapter? I need to order it online since there arent any astroshops where I live so I'd really appreciate if someone can link me to such an adapter.

Basically I have a TS Optics 2" Adapter with compression Ring for Skywatcher Newtonians, TSM54-2 and I need to use it for my celestron newtonian which has a 60mm drawtube so I'll need some sort of adapter.

Clear skies!

Are you talking about a Step-Down Ring from M60-M54  ?? If so BHPhoto carries one :  

https://www.bhphotovideo.com/c/product/160365-REG/Heliopan_700446_700446_Step_Down_Ring.html

Link to post
Share on other sites
1 hour ago, celestron8g8 said:

Are you talking about a Step-Down Ring from M60-M54  ?? If so BHPhoto carries one :  

https://www.bhphotovideo.com/c/product/160365-REG/Heliopan_700446_700446_Step_Down_Ring.html

Wow! For that money, he might as well buy a new 2" adapter purpose built for his scope.  Step down rings are usually between $2 and $6.

Link to post
Share on other sites
41 minutes ago, Louis D said:

Wow! For that money, he might as well buy a new 2" adapter purpose built for his scope.  Step down rings are usually between $2 and $6.

I understand your feeling but I wish him good luck . I needed a M43-M42 step down back a yr ago and the only place I could find one was on ebay and it came from China and it cost me $27.00 with s/h and took 10 days to get here . 

Link to post
Share on other sites
1 hour ago, celestron8g8 said:

I understand your feeling but I wish him good luck . I needed a M43-M42 step down back a yr ago and the only place I could find one was on ebay and it came from China and it cost me $27.00 with s/h and took 10 days to get here . 

Wow again!  Must have been a bad time to shop for one a year ago.  Currently, there's this one for $4.99, and this one for $7.99, both with free shipping from China.  I average 2 weeks for shipping from China to Texas.

Link to post
Share on other sites
16 minutes ago, Louis D said:

Wow again!  Must have been a bad time to shop for one a year ago.  Currently, there's this one for $4.99, and this one for $7.99, both with free shipping from China.  I average 2 weeks for shipping from China to Texas.

Mine looked like that one for $4.99 but height was a little shorter . Yeah a yr ago the one i got was all that was available that i could find . 

Edited by celestron8g8
Link to post
Share on other sites

Thank you all for your help. I decided to buy the below in the end and just get rid of the whole compression ring issue. I'll try the threaded adapter which I think is the best way to fix any tilting issues. It did cost a lot with the shipping and I still have to wait like 5 more days for it to be delivered but I guess it's worth it in the end.

https://www.teleskop-express.de/shop/product_info.php/info/p5818_TS-Optics-Adaptor-M60-to-M48---2--Filterthread---low-profile-adapter-for-photography.html

https://www.teleskop-express.de/shop/product_info.php/info/p2839_TS-Optics-Adaptor-with-female-T2-thread-and-male-M48--2--filter--thread---short.html

According to TS I can use these adapters to thread the Coma Corrector inside the drawtube while the DSLR is threaded outside as normal. This will hopefully fix any tilt issues and since the CC is inside the drawtube, it should remove also any sag due to the weight of both the DSLR and CC being outside the tube. I think this is ingenious but I hope I don't run into any problems with the threads.

I'll keep you posted if anyone is interested, and I guess I'll find someone interested in the M54 Skywatcher adapter and sell it.

Clear Skies!

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Recently Browsing   0 members

    No registered users viewing this page.

  • Similar Content

    • By DeepSkyMan
      Guys
       
      just wondering what options are available for me to upgrade the standard SXW Vixen clamp to enable it to accept Losmandy style dovetails.  I recently acquired a CGE dovetail that I would like to use with my 8” Edge.
       
      Kind Regards
      Paul
       
    • By Rolland Balazs
      Atik One 6.0 CCD + OAG + Astronomik filters + Atik-Eos adapter
      Include:
      - Astronomik II. LRGB; 6 nm Ha, SII, OIII filters
      - Unique Atik-Eos WORKING adapter
      - Power supply, USB cord
      - Pixinsight dark, flatdark, bias files
      Tape is against light pollution only. Of course some sketch on it but working perfect.
      Lacerta guide cam exclude.
      Bank transfer only.
      2.660,-GBP (2.999,-EUR) + postage.
      <private contact details removed>
       
       










    • By Astrofriend
      At last, I have 3D printed an adapter to attach an angled viewfinter to the polar telescope finder. This is for the Star Adventurer polar telescope, but I think it fit even others.
      My document of how I did it:
      http://www.astrofriend.eu/3d-printing/90degree-polarfinder-adapter/01-90degree-polarfinder-adapter.html
      It works so perfect compare to my film canister build adapter. This is my first real 3D printed product I will use so I have great times.
      /Lars
    • By Synq
      Last adapter I brought was a plastic piece of junk. Please recommend me a good one please.
      Prefer one that could actually hold up the weight of my phone.
    • By Eichan
      Hi all,
      I own a NEQ6 mount and EQDirect cable, but the RJ45 version. The NEQ6 uses a DB9 port, so I got an adapter but I need to wire it myself. See attached picture of my adapter + EQDirect. I am quite unsure how to wire my adapter. The first diagram here should tell me how, but I'm still not sure I get it. If I look at the EQDirect adapter (see attached close-up), it looks like on pin 1 & 2, when the diagram says there should be ground there. Also someone in an INDI forum told me I could ignore the 12v pin as it would be supplied by the mount, but the RJ45 actually seems to have something on those pins.
      It's tempting to just look at the wiring of both adapters and trust the colors, but I'm afraid making mistakes here might damage the mount...
      Any ideas?
      Thanks
      EDIT: I own this RJ45 to DB9 adapter. Would any of the proposed wirings in this document work for my need?


×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. By using this site, you agree to our Terms of Use.