Astro Photo Question (trying this forum)...

Started Sep 28, 2022 | Questions thread
Randy_A Regular Member • Posts: 128
Re: Astro Photo Question (trying this forum)...

John Retsal wrote:

just Tony wrote:

Camera is Nikon Z6II with the Z 14-30 f/4 lens.

It’s going to be challenging to set the focus precisely at 14mm. Very little light gets through an entrance pupil of 14/4 = 3.5mm diameter. Use the star Vega, the brightest star nearly straight up at this time of year early at night, and examine your test shots at max magnification. When you see tons of dim stars you have it.

Manual focus mode, manual exposure and VR Off are your friends.

Here are a couple of shots I got the other night. EXIF data included

Oh as for focus, with Z lenses if you disable the setting to remember last focus point, when you first turn the camera on, it's focused at infinity.

Cassiopeia/Perseus region.

Sagittarius region

As your second photo kind of indicates, I feel an ISO of 3200 or above will be important - especially with the f4 aperture of the 14-30. When I was at Grand Canyon last Oct, I used ISO 3200 - and that was with an f2.8 lens (Sigma Art 24-70mm @24mm). I also chose to stack as well. Here's a Flickr link to my one Milky Way shot - from the South Rim, so I didn't have the opportunity to capture the canyon below the horizon.

Link: Grand Canyon South Rim Milky Way

And as was mentioned in another earlier reply, use Daylight for White Balance.

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Randy A

 Randy_A's gear list:Randy_A's gear list
Nikon 200-500mm F5.6E ED VR Nikon Z 14-30mm F4 Nikon Nikkor Z 24-120mm F4 S Nikon Z7 II Fujifilm X-H2 +4 more
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