Orion optics help

[Neil H]

Hi guys can you look at the photos and tell me why i can get focus  if i bring eyepeice out of holder it will focus  but i am sure this is all the parts 

[paul mc c]

you will need one of these...an extension tube.

https://www.firstlightoptics.com/adapters/astro-essentials-2-35mm-focus-extension-tube.html

[Bruce Leeroy]

If you have a barlow lens it may be possible to unscrew the lens element and use the barlow body as an extension tube for the time being.

[Neil H]

Hi guys thanks for the link i will order one . I was just trying the barlow as you said it and it works for now till i get the real part thanks again

[Cornelius Varley]

Do any of the tubes unscrew ? It could be that you don't need all of them to reach focus.

[wookie1965]

34 minutes ago, Cornelius Varley said:

Do any of the tubes unscrew ? It could be that you don't need all of them to reach focus.

I thought that but op tried and could not reach focus with them all in he had to pull the eyepiece out a bit to achieve focus. He has now used a Barlow without the lens and is getting focus so definitely needs that extra piece. 

[Nigella Bryant]

Yeah I have to use an eyepiece extender but I've modded mine with a low profile focuser for imaging. Mines a 12inch f4 Newtonian orion optics UK. 

[Neil H]

Nice set up 

[Nigella Bryant]

11 minutes ago, Neil H said:

Nice set up 

Thanks Neil, my newt the best scope I've had, love it. Modded quite a bit over time. 

[paul mc c]

Another option is to drop your primary cell a little,i don't know what your cell is like,but my one has two sets of holes where the cell is bolted to the tube,giving you the option to move the cell up or down,also tighten the springs up as this will move the mirror further from the eyepiece.

Edited February 29, 2020 by paul mc c
typo

[CraigT82]

5 hours ago, Neil H said:

Hi guys can you look at the photos and tell me why i can get focus  if i bring eyepeice out of holder it will focus  but i am sure this is all the parts 

What are you trying to focus on??

[Neil H]

I was trying a chimney as I needed to set up the spotted scope that's how I find out if would not focus

[Neil H]

Do you guys that have Orion Optics do you know if there is a micro focuser kit I can fit to the OC1

[CraigT82]

I think the chimney is too close. When you look at the moon or a star or anything else at infinity,  you will be able to focus easier (without pulling the EP out)

[Nigella Bryant]

2 minutes ago, Neil H said:

Do you guys that have Orion Optics do you know if there is a micro focuser kit I can fit to the OC1

I just retrograded a skywatcher electric focuser using some cogs. This I attached to the tube as in my pic of the moonlite focuser. I use that with the USB interface to computer to control focus. 

[dweller25]

@Neil H

You will not need the extension tube when you focus on astronomical targets

Edited February 29, 2020 by dweller25

[Neil H]

The first time I found it would not focus the chimney was about 1/4 of a mile 

[paul mc c]

5 minutes ago, Neil H said:

I was trying a chimney as I needed to set up the spotted scope that's how I find out if would not focus

That might answer it....as Craig says,you need to focus on a star,moon ect,

[Neil H]

1 minute ago, dweller25 said:

You will not need the extension tube when you focus on astronomical targets

I did wonder this I wanted to test it tonight but the clouds came in 

[Neil H]

I may pop out and try it if there are no clouds

[Scooot]

You normally do need an extension tube to focus, mine came with one. I think the idea was you can remove it to use a camera.  I don’t need to use it when I use the Paracorr. 

[NGC 1502]

Orion Optics UK Newtonians are constructed to be used for visual as well as imaging.   This means the focus point is well away from the tube to enable a camera to reach focus, so for visual with an eyepiece an extension tube is required.

For visual use only, it’s a compromise because a low profile focuser could be used with a smaller secondary mirror, and the primary mirror further away, perhaps with a longer main tube.

But I suppose I can understand OO doing it the way they do, it simplifies production if they make dual purpose scopes, and probably it’s hardly noticeable if the secondary is a bit larger than they could use if their scopes were for visual only.

Better a slightly oversized secondary than undersized because that would not catch all the light from the primary.

Ed.

[Space Hopper]

I'd upgrade the focuser asap. The scope deserves something better.

See if you can get hold of a moonlite.

You don't say what size the scope is ? It looks an 8" or 10"

If it is a 10, i have a Moonlite fitting kit for it (the base plate & spacers)

They are normally around £30-£40 i think. You can have it for nothing if you want it.

 

[NGC 1502]

23 minutes ago, Space Hopper said:

They are normally around £30-£40 i think. You can have it for nothing if you want it.

 

Nice folk on here........👍

[Neil H]

1 hour ago, Space Hopper said:

I'd upgrade the focuser asap. The scope deserves something better.

See if you can get hold of a moonlite.

You don't say what size the scope is ? It looks an 8" or 10"

If it is a 10, i have a Moonlite fitting kit for it (the base plate & spacers)

They are normally around £30-£40 i think. You can have it for nothing if you want it.

36 minutes ago, NGC 1502 said:

 

Nice folk on here........👍

 

Thank you mind is the VX8L 

Your all nice folk on here it's the best forum by far 

2 hours ago, dweller25 said:

@Neil H

You will not need the extension tube when you focus on astronomical targets

Well it does seem to focus so may be I don't need one , so how can I set up the spotter scope in the day time unless I can find something miles away