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Share practical advice and tips on making your own kit

A query related to telecope making

How do you turn a chunk of glass into a telescope mirror, with a surface accurate to a couple millionths of a millimeter ?
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chimney sweep chimney sweep london
Read more : A query related to telecope making | Views : 10297 | Replies : 3


Lens Suppliers

If I decide to have a go at making a refractor, where would I get the lenses from? Cheers ..
Read more : Lens Suppliers | Views : 10508 | Replies : 5


Making my own telescope

Im seriously considering making my own Dob telescope... does anyone have any links to plans? Where can i get mirror blanks from? Any info would be appreciated
Read more : Making my own telescope | Views : 5880 | Replies : 2


sun scope

I should like to project the sun but have been assured my telescopes will melt rather quickly.So I am wonderering if I can make something simple and cheap,especialy cheap.if I can find a couple of suitable lenses and put them in a tube but what lenses.grateful for any help.spud.
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draw tube for skywatcher capricorn

"Can anyone help"

"Could anyone help me"

I am looking for replacment focuser for a budget refractor telescope i would appreciate any help on this, I even considered making one my-self but i could be a bit tricky making the rack and pinion section.


Thanks

Demon.
Read more : draw tube for skywatcher capricorn | Views : 4665 | Replies : 1


DIY 2" Filter Attachment for Newtonian

Hi Guys

I am now able to attach a 2" LPF (or any other 2" fillter) to my 250Px for observing and imaging purpose.
I have araldited a 52mm-48mm stepper ring (thanks geppetto) to the rear face of the 1.25" eyepiece adaptor.

The 2" LPF (thanks little Col) simplt screws into the stepper ring thread.

Luckily, the O/D of thr stepper ring and 2" filter is less than the O/D of the flared flange of ...
Read more : DIY 2" Filter Attachment for Newtonian | Views : 13091 | Replies : 2


How to create fulldome image?

Are you interesting in fulldome image or fulldome digital movie? Wanting to make a full 360 degree image/movie with high quality? Pony Fulldome is a professional tool for you.And here is a brief introduction for you.

Step 1: Install Pony Fulldome and run it. Download and install it now!
http://www.ponyfulldome.com/download/fulldome.exe

Step 2: Go to the Fulldome->Setting to set the attributes for the full dome image as below

Image

First , choose the faces number and ...
Read more : How to create fulldome image? | Views : 10227 | Replies : 1


Homemade Image Intensified Eyepeice

Hi folks,

We have successfully made an image intensified eyepeice from a £50 35 year old ex-military three stage image intensifier from eBay. How we did it can be found here: www.imageintensifier.org.uk

Below are the results of a recent comparison with Ethos eyepieces.

Andy & Damian (Rosliston Astronomy Club)

Observations from Lichfield, UK, 17/1/2010, 2030-2230

For these observations we used a Takahashi TSA102s Super
Triplet Apochromat on a William Optics EZTouch Alt-Az Mount
with a ...
Read more : Homemade Image Intensified Eyepeice | Views : 11732 | Replies : 0


Home - made zoom telescope.

Home - made zoom telescope using recovered materials of different optical devices.

The system is actually combining two telescopes mounted one after another.
Quality of images is very dependent on the quality of optical elements used.
Especially the quality of lens L1 , but also of L3(binocular lens) - L4(Abbe type orhoscopic) considering the zoom lens is quality.
I was lucky, the maximum magnification image quality score is 9 with a high contrast.
Telescope tubes ...
Read more : Home - made zoom telescope. | Views : 9680 | Replies : 3


Making my own image intensifier eyepiece

Hi folks,
We were was horrified by the price of image intensified eyepieces at http://www.ceoptics.com/ so we decided to try and make our own - we succeeded for only £50 plus a few odds and ends lying around!
See www.imageintensifier.org.uk for how we did it.
Andy
Read more : Making my own image intensifier eyepiece | Views : 4999 | Replies : 0


 

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