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Forums Lobby MASTER YOUR NIKON CAMERA Nikon D90/D80/D70 (Public) topic #251950
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Subject: "Question about my D70" Previous topic | Next topic
autoexer Silver Member  Waukesha, US  Nikonian since 27th Jan 2011 Wed 10-Oct-12 10:32 PM
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"Question about my D70"
Wed 10-Oct-12 11:24 PM by autoexer


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



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



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

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Df, FA, FG, F

  

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



Hi Art.

Have fun!
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

  

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



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

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Df, FA, FG, F

  

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OnTERRYo Silver Member  Hamilton, CA  Nikonian since 25th Nov 2011 Fri 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


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.

Click on image to view larger version

OnTERRYo

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

  

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



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

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

  

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elec164 Silver Member  US  Nikonian since 15th Jan 2009 Sat 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


>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

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Forums Lobby MASTER YOUR NIKON CAMERA Nikon D90/D80/D70 (Public) topic #251950 Previous topic | Next topic