Barlow/DSLR ring

[poider (Peter)]

G'day, I have finally received my Ring for attaching my camera to my Scope, now I just have to wait until Adelaide has no clouds.
Meanwhile, Whilst I am waiting...and waiting....and errr sorry.
Do I need to remove the glass at the bottom of the barlow for the camera or does it stay there?
Peter

[poider (Peter)]

23 views and no response, is the answer that obvious that no one can bring themselves to put it into words?

[iborg (Philip)]

I saw the extra post and hoped to see the answer myself!

[raymo]

I have no idea why nobody has responded; I just saw your post.
I know nothing about your equipment, but going by your post I presume that you have bought a 2x barlow that is threaded at the open end to screw into
the camera's T-ring. The setup as described will double the focal length
[and the magnification] of the scope. If you remove the lens in the barlow
it will just become a means of attaching the camera to the scope.[which will
operate at its native focal length]. Most focusers allow direct attachment of the T-ring without the necessity of a barlow in between.
raymo

[luka]

Perhaps a photo of the setup could help?

[poider (Peter)]

Thank you Raymo, I will try out each combination when it stops raining.
I have a cheap scope... An australian geopgraphic starview 150EQ, ...
150mm reflector with a 750mm tube, I got a t ring to fit my Nikon D7000 and have the celestron 2x barlow with t ring adapter.
So I assume then that just the primary mirror of the scope has magnifying power, without any eyepiece?
I will do my best and post the results
Peter

[raymo]

50mm focal length is regarded as giving 1x magnification [roughly what
the unaided eye sees, so 750mm is 15x mag; with the barlow it becomes
1500mm [30x mag.] With an eyepiece the mag is scope focal length divided by eyepiece focal length, so a 10mm eyepiece gives 750mm divided by
10mm = 75x mag.
raymo