Power

Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com

Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


Why, can't you?
rat
~( );

email: remove 'et' from .com(et) in above email address

figuring 25 mm to the inch, about 333.333333333X
I left off a few 3's so I don't sound like Ali G.

The math is like this:
Multiply inches fl by 25 (mm per inch).
64"x25=1600mm focal length.
Divide by ep mm...
1600mm/4.8mm=333.333etc.

Whatcha lookin at?

Regards,
Etok

"Starlord" wrote in message
...
Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning
lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com





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On Sat, 12 Jul 2003 11:33:56 -0700, "Starlord" ...reflected:

Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler

Oh, somewhere in the neighborhood of...338.666666666666666666666666666667x.

Alan

Try this online converter...

http://www.csgnetwork.com/telefov.html

-Florian

How sad.

Howard Lester

"Florian" wrote

Try this online converter...

http://www.csgnetwork.com/telefov.html

-Florian






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The program I use, I would need the fov and other data that I don't have. I can
only guess it's somewhere around 200X.


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com

"Ratboy99" wrote in message
...

Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


Why, can't you?
rat
~( );

email: remove 'et' from .com(et) in above email address


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I tried it on the moon last night, then at 5am I tried it on mars.


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com

"Etok" wrote in message
...

Whatcha lookin at?

Regards,
Etok

"Starlord" wrote in message
...
Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning
lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com





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Starlord, you don't need a program. Just divide the focal length of your
telescope by the focal length of your eyepiece.

Your eps is a 4.8mm, so you need to convert the focal length of your telescope
to the same unit - mm (unless you want to mix units and risk missing Mars -
that's a joke).

There are 25.4mm in an inch. So 25.4 x 64 (the focal length of your 8" F8)
=1625.6.

So,
1626 (the focal length of your scope in mm)

divided by 4.8 (the focal length of your eyepiece) = 338.667x

For the future, just remember that your scope has a focal length of 1626, and
you can divide it by your other eyepiece focal lengths to get their
magnifications too.

Bill
rat
~( );

email: remove 'et' from .com(et) in above email address

I got a peek at mars about a month ago before dawn (3am).
I have to do a couple of quick repairs, then I think I'll try my new dob on
it tonight.
I wish that Mogg adapter would arrive, so I can plug in my Toucam.

Best to you in the southland.
Etok

"Starlord" wrote in message
news
I tried it on the moon last night, then at 5am I tried it on mars.


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning
lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com

"Etok" wrote in message
...

Whatcha lookin at?

Regards,
Etok

"Starlord" wrote in message
...
Can someone say what power of mag I'm at using the following?

Dob 8in F8 (64inch?) 1.25 eyepiece 4.8mm Nagler


--
In This Universe The Night was Falling,The Shadows were lengthening
towards an east that would not know another dawn.
But elsewhere the Stars were still young and the light of morning
lingered: and
along the path he once had followed, Man would one day go again.

Arthur C. Clarke "The City & The Stars"

SIAR
www.starlords.org
Bishop's Car Fund
http://www.bishopcarfund.Netfirms.com/
Freelance Writers Shop
http://www.freelancewrittersshop.netfirms.com





__________________________________________________ ____________________
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Checked by AVG anti-virus system (http://www.grisoft.com).
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