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Forum: Post Your Photos! 10-02-2019, 01:56 PM

Landscape Clouds radiating from the galactic core
Posted By Piotrek K

Replies: 17
Views: 1,066

Wow - that's great. Astrophoto is often purely technical thing with many exposures and long time at the computer after. But I personally value this kind much better - visible landscape adds much flair!

Forum: Troubleshooting and Beginner Help 07-09-2019, 04:52 PM

Silly HD D FA 150-450mm question on zoom
Posted By aslyfox

Replies: 15
Views: 1,722

this article and chart might help

Crop Factor Explained

Forum: Troubleshooting and Beginner Help 07-09-2019, 06:11 PM

Silly HD D FA 150-450mm question on zoom
Posted By aslyfox

Replies: 15
Views: 1,722

Testing the HD Pentax-DA 1.4x Teleconverter with the D FA 150-450mm on Full Frame

Read more at: Testing the HD Pentax-DA 1.4x Teleconverter with the D FA 150-450mm on Full Frame Review - Introduction | PentaxForums.com Reviews

" The Bottom Line
Using the HD Pentax-DA 1.4x AW AF with the HD D FA 150-450mm yields an impressive effective maximum focal length. Optical performance remains comparable to that of the lens alone. The pair cannot be used in full frame mode but, apart from that, there is nothing to stop users from pairing the two. "

Read more at: https://www.pentaxforums.com/reviews/da-14x-teleconverter-150-450mm-fullfram...#ixzz5tEVDUw5u

Forum: Post Your Photos! 07-04-2019, 11:24 AM

Nature Pillars of Creation
Posted By Colorado CJ

Replies: 9
Views: 1,263

I shot the Sulfur II data last night to add to the data I shot last week, completing my first Pillars of Creation, or Eagle Nebula photo.

This is only 75 minutes of H-Alpha, 75 minutes of Sulfur II and 50 minutes of Oxygen III data. I need to shoot more data, but I only have about 2 hours a night where this is visible from my house.

I am thinking of taking the scope out to a different site this weekend so that I can shoot longer than 2 hours on this.

Anyway, here it is!

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