How to Attach a Nikon Camera to an ETX-90 Telescope

Written by kenneth coppens
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How to Attach a Nikon Camera to an ETX-90 Telescope
You can capture close-up images of the moon with a telescope. (moon image by Augenblicke from

Astrophotography, or taking photos of space, is a hobby for many space enthusiasts. A powerful telescope, such as a Meade ETX-90, makes it simple to get high-quality photos of the stars and nearby planets. However, before you can start snapping photos, you must first connect a camera to the telescope. Camera-to-telescope adaptors, usually referred to as T-adaptors, are readily available to fit any SLR camera. The adaptor needed depends on what type of camera you have, so if you have a Nikon, you need to use an adaptor made specially for a Nikon camera.

Skill level:

Things you need

  • T-ring
  • T-adaptor

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  1. 1

    Press the lens release button and turn the lens counter-clockwise to remove it from the camera body. When looking at the front of the camera, the lens release button is located just to the right of the lens.

  2. 2

    Install a T-ring in place of the lens on the camera. The T-ring screws into the camera the same way the lens does, with a clockwise turn.

  3. 3

    Screw the T-adaptor into the T-ring. The threads on the wide end of the adaptor should easily screw into the internal threads on the T-ring. Make sure the adaptor is screwed in tightly.

  4. 4

    Unscrew the photo port disc on the backside of the telescope. There is a noticeable round, black disc that you must turn counter-clockwise to remove. Set the disc aside in a safe place.

  5. 5

    Screw the T-adaptor into the camera port on the telescope. Make sure the adaptor is snug to ensure the camera does not fall.

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