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Search: Posts Made By: Joshua Bunn
Forum: Accessories Yesterday, 04:19 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
PM Replied :)

PM Replied :)
Forum: Accessories Yesterday, 04:07 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
Hi Stefan, my apologies for not getting back to...

Hi Stefan, my apologies for not getting back to you, I'm subscribed to this message, but didn't get an email.

That looks great! So 1 67mm @ 0.9 slits and 1 67 @ 2mm slits.

Josh
Forum: Accessories 27-05-2015, 02:29 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
Of course, sorry for not including that. They are...

Of course, sorry for not including that. They are both 67mm threads.

Josh
Forum: Accessories 27-05-2015, 01:35 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
Hi Stefan, Can I place an order for a mask...

Hi Stefan,

Can I place an order for a mask for a 70-300mm lens f/4 and a 35mm f/1.4?

thanks
Josh
Forum: Astrophotography and Imaging Equipment and Discussions 26-05-2015, 09:27 PM
Replies: 38
Views: 1,179
Posted By Joshua Bunn
I await the comparison then Paul :D

I await the comparison then Paul :D
Forum: Astrophotography and Imaging Equipment and Discussions 26-05-2015, 09:14 PM
Replies: 38
Views: 1,179
Posted By Joshua Bunn
I think it would be interesting to see some tests...

I think it would be interesting to see some tests done with and without AO. I do realize it can be tedious to pull gear apart, more to the point, put it back together, especially when it was all...
Forum: Astrophotography and Imaging Equipment and Discussions 26-05-2015, 11:37 AM
Replies: 20
Views: 444
Posted By Joshua Bunn
My first thoughts are much more contrast in the...

My first thoughts are much more contrast in the 6nm, and the ability to use the 6nm in more light polluted skies. On the other hand, exposures will need to be longer with the 6nm filter, but you will...
Forum: Equipment Discussions 26-05-2015, 11:30 AM
Replies: 9
Views: 316
Posted By Joshua Bunn
Thankyou Humayun!

Thankyou Humayun!
Forum: Accessories 22-05-2015, 07:16 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
Thanks for the visual aid Stefan!

Thanks for the visual aid Stefan!
Forum: Equipment Discussions 22-05-2015, 03:59 PM
Replies: 9
Views: 316
Posted By Joshua Bunn
haha, I see you edited as i was replying. All...

haha, I see you edited as i was replying. All good James.
Forum: Equipment Discussions 22-05-2015, 03:58 PM
Replies: 9
Views: 316
Posted By Joshua Bunn
Thanks for measuring the adapter for me James...

Thanks for measuring the adapter for me James :thumbsup:. Measurement A includes the width of the accessory mounting surface, this needs to be removed I'm sure(without going to my observatory) before...
Forum: Equipment Discussions 22-05-2015, 03:23 PM
Replies: 9
Views: 316
Posted By Joshua Bunn
Thanks James, I guess this is a question for...

Thanks James,
I guess this is a question for the distributor, but the flange focal distance of canon EF lenses and Sigma SA mount lenses is 44mm (which are the 2 lenses I want to use), so this...
Forum: Accessories 22-05-2015, 02:44 PM
Replies: 32
Views: 1,358
Posted By Joshua Bunn
Hi Stefan, Would the 67mm one work for a...

Hi Stefan,

Would the 67mm one work for a 70-300mm lens?

thanks
Josh
Forum: Equipment Discussions 22-05-2015, 02:16 PM
Replies: 9
Views: 316
Posted By Joshua Bunn
STL to EOS adapter

Hi all,

Wanting to use some EOS mount lenses on my STL camera, I came across this one http://www.tan14.com/Others.htm (http://www.tan14.com/Others.htm)down the bottom of the page. Has anyone used...
Forum: Deep Space 22-05-2015, 12:55 AM
Replies: 45
Views: 1,284
Posted By Joshua Bunn
Beautiful rendition Mike, And I do like the...

Beautiful rendition Mike, And I do like the colours!
Forum: Astrophotography and Imaging Equipment and Discussions 19-05-2015, 08:11 PM
Replies: 15
Views: 498
Posted By Joshua Bunn
This is a cracker of a lens. I use mine @f1.4 on...

This is a cracker of a lens. I use mine @f1.4 on a 6d, and there are no issues.
Forum: Equipment Discussions 18-05-2015, 12:08 PM
Replies: 12
Views: 604
Posted By Joshua Bunn
So when you rotate the focuser, if you had a...

So when you rotate the focuser, if you had a laser in there, would it rotate around the center spot with the center spot staying concentric in the circle? Can the focuser be collimated separately?
Forum: Equipment Discussions 17-05-2015, 11:20 PM
Replies: 12
Views: 604
Posted By Joshua Bunn
Put a laser in the focuser and see if it hits the...

Put a laser in the focuser and see if it hits the secondary center dot. Be sure to rotate the laser somehow while keeping it collimated with the focuser. Then you will know if it's not centered, if...
Forum: Astrophotography and Imaging Equipment and Discussions 17-05-2015, 11:11 PM
Replies: 5
Views: 315
Posted By Joshua Bunn
Hi Charles, I would try to sort out your ccd tilt...

Hi Charles, I would try to sort out your ccd tilt first. Are you able to go past infinity focus like you can on a DSLR? Personally, I would get out my calipers and measure all the flange distances...
Forum: Equipment Discussions 17-05-2015, 11:00 PM
Replies: 12
Views: 604
Posted By Joshua Bunn
Even if the secondary isn't centered over the...

Even if the secondary isn't centered over the primary?
Forum: Equipment Discussions 13-05-2015, 12:11 AM
Replies: 4
Views: 455
Posted By Joshua Bunn
Cant really comment on CCDIns for collimation,...

Cant really comment on CCDIns for collimation, but I would second Pauls Advice. Then what I do after that is bring a star field to focus then adjust the secondary collimation bolts based on the star...
Forum: IceTrade Archives 07-05-2015, 03:25 PM
Replies: 1
[WITHDRAWN] Takahashi Mewlon250
Views: 1,170
Posted By Joshua Bunn
Price? :)

Price? :)
Forum: General Chat 07-05-2015, 02:59 PM
Replies: 8
Views: 377
Posted By Joshua Bunn
That view would have blown my socks off! This...

That view would have blown my socks off! This would be awesome in the literal sense of the word. Imagine the possibilities.
Forum: Astrophotography and Imaging Equipment and Discussions 06-05-2015, 07:33 PM
Replies: 17
Views: 543
Posted By Joshua Bunn
I bought a Tak CAA and machined an adapter to fit...

I bought a Tak CAA and machined an adapter to fit it to my imaging train, then to get the rotation angles I divided up the diameter of a part of the imaging train into 360 deg, drew this scale on a...
Forum: Equipment Discussions 06-05-2015, 06:42 PM
Replies: 96
Views: 5,306
Posted By Joshua Bunn
Ahhh! That's a let down for you Greg, I bet...

Ahhh! That's a let down for you Greg, I bet you're itching to point your new gear at the skies with all the parts working.
Showing results 1 to 25 of 500

 
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