The FA*200/4 macro seems fine for Astro [pic]

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chris gunn
chris gunn Veteran Member • Posts: 8,601
The FA*200/4 macro seems fine for Astro [pic]
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Difficult to focus perfectly, I used a focus mask. This is Carina Nebula with the K5.

Just 20s exposures at f/4, total of 24min stacked with DSS. My PP is not the best.

And a crop:

It's not perfect, there's a bit of blue fringing on the brightest white stars, but I'm pleased. Nicer than the K200/2.5 which has orange and... another colour fringing.

The FA*400/5.6 has a bit more fringing. My PP a bit dodgy, looks blue.

15s exposures, just 5min15s total. I hope I haven't posted this before.

Lagoon and Triffid nebulae with Mars.

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cheers!
Gunn
-- Get a big lens and get closer™.

Comment & critique:
Please provide me constructive critique and criticism.
Pentax K-5
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