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Subject: "Question about my D70" Previous topic | Next topic
autoexer Silver Member Nikonian since 27th Jan 2011Wed 10-Oct-12 10:32 PM
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"Question about my D70"
Wed 10-Oct-12 11:24 PM by autoexer

Waukesha, US
          

i am using my D70 with a camera adapter on my telescope. the f-stop of the scope is f/8. is there any way to set the apeture on the camera to f/8 instead of F--? i have it in "M" now.

never mind...found it in the manual - it displays "F--" with a non-CPU lens...oh well

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Df, F4(e), FA, FG, F

  

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Replies to this topic
Subject Author Message Date ID
Reply message RE: Question about my D70
MEMcD Moderator
11th Oct 2012
1
Reply message RE: Question about my D70
autoexer Silver Member
11th Oct 2012
2
     Reply message RE: Question about my D70
MEMcD Moderator
12th Oct 2012
3
          Reply message RE: Question about my D70
autoexer Silver Member
12th Oct 2012
4
               Reply message RE: Question about my D70
OnTERRYo Silver Member
12th Oct 2012
5
Reply message RE: Question about my D70
PRW Silver Member
12th Oct 2012
6
Reply message RE: Question about my D70
elec164 Silver Member
13th Oct 2012
7

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007Thu 11-Oct-12 02:16 AM
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#1. "RE: Question about my D70"
In response to Reply # 0


US
          

Hi Art,

While you won't be able to meter, you will be able to capture images as long as you have the camera in Manual exposure mode.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

  

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autoexer Silver Member Nikonian since 27th Jan 2011Thu 11-Oct-12 02:22 AM
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#2. "RE: Question about my D70"
In response to Reply # 1


Waukesha, US
          

i have! i test fired some today - basicly a 900mm f/8 lens... cool and i can change the magnification by changing the eye piece

Visit my Nikonians gallery.



Df, F4(e), FA, FG, F

  

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MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007Fri 12-Oct-12 12:58 AM
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#3. "RE: Question about my D70"
In response to Reply # 2


US
          

Hi Art.

Have fun!
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

  

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autoexer Silver Member Nikonian since 27th Jan 2011Fri 12-Oct-12 01:02 AM
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#4. "RE: Question about my D70"
In response to Reply # 3


Waukesha, US
          

cloudy last night....raining tonight - i will wait!

Visit my Nikonians gallery.



Df, F4(e), FA, FG, F

  

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OnTERRYo Silver Member Nikonian since 25th Nov 2011Fri 12-Oct-12 05:14 PM
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#5. "RE: Question about my D70"
In response to Reply # 4
Fri 12-Oct-12 05:24 PM by OnTERRYo

Hamilton, CA
          

Hi Art.

I did something similar last July.
Here's a shot of my set up.
I have a Bushnell Spotting Scope - Discoverer Zoom Telescope.
It is 60X and it included a F mount - bonus.
I attached it to my D70.
According to the adapter, it can provide an equivalent 4000mm lens.(!)
My tripod carrier was slung from the tripod and had a ten pound lifting weight in it for stability - I had to.
And, I was able to achieve a good shot or two.
I hope you will keep trying - I will.

Terry.

OnTERRYo

"The Nikon did the work; I just happened to be behind it at the time." TP

  

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PRW Silver Member Nikonian since 27th Apr 2002Fri 12-Oct-12 09:54 PM
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#6. "RE: Question about my D70"
In response to Reply # 0


Plymouth, GB
          

I'm sure f/8 in astronomy refers to something different to the f/8 we refer to in photography. Don't ask me what

Kind regards,
Paul

Visit my Nikonians gallery.



www.paulwheelerphotography.com/
www.flickr.com/photos/paul_wheeler/

  

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elec164 Silver Member Nikonian since 15th Jan 2009Sat 13-Oct-12 08:56 AM
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#7. "RE: Question about my D70"
In response to Reply # 6
Sat 13-Oct-12 08:57 AM by elec164

US
          

>I'm sure f/8 in astronomy refers to something different to
>the f/8 we refer to in photography. Don't ask me what

Actually it refers to the exact same thing, focal ratio.

Reflector telescopes are usually defined by the clear aperture and f-number, not focal length.

Although with eyepiece projection I believe the effective aperture and focal length will be affected by the eyepiece itself as well as the amount of extension of the slide tube adapter which attaches the t-ring to the eyepiece.

This would be a great question to ask over in our Astrophotography Forum where Neil (moderator and very knowledgable on this) will more likely see it and give you a more precise answer.

Pete

Pete

Visit my Nikonians gallery.

  

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