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Luke O'Brien Photography

Luke O'Brien Photography

pentax k1

Pentax Astrotracer Post-processing Technique

June 1, 2020
The Pentax Astrotracer is a great feature that allows some star tracking which means no star trails, instead you can capture fainter light more clearly by extending shutter speed, and not bumping ISO right up high. The tricky bit is when you incorporate landscape elements in the image, as the Astrotracer will hold the stars...Read More

Tasman Peninsula Blowhole

August 8, 2019
The Tasman Peninsula Blowhole is a nice little attraction at the entrance to the Tasman Peninsula just after you cross Eaglehawk Neck. As well as the blowhole itself, there is a short walk to a lookout, and further on to the Devils Kitchen and Tasman Arch. The whole area contains some pretty interesting geology and...Read More

Sunset Mortimer Bay

July 28, 2019
Last night’s sunset from Mortimer Bay. Long exposures captured with a 5 stop ND and the “Interval Composite” feature of the Pentax K1.           The last image above also included an interesting lesson from the field. This evening I switched the “Save Process” to ON (normally I have it off). What...Read More

Comet 46P Wirtanen December 2018

December 27, 2018
Comet 46P Wirtanen appeared in the skies over Tasmania during the early weeks of December, and I decided to make the effort to get out and see/shoot it one incredibly fine evening (back on Dec 11 to be precise). I decided to head up Mt Wellington – aiming to do a few city light shots...Read More

Pentax K1 Night Photography

October 18, 2016
I recently spent a night under the stars giving the Pentax K1 a solid workout, and here are some of the results. I used the Pentax D-FA 24-70 and for my ultra-wide angle needs, the Samyang 14mm 2.8 which is known as a very capable lens for night sky photography – especially for the cost...Read More

Dark Mofo and the Pentax K1

June 23, 2016
This years Dark Mofo festival has come and gone and one of the features this year was seeing the Tasman Bridge lit up in red for the duration of the festival. I shot from Lindisfarne as I did two years ago when the “Articulated Intersect” light show was on. This time around, as well as...Read More

Lake Skinner

May 30, 2016
Some photos from my second visit to Lake Skinner – and the first day trip with the new Pentax K1! I posted about this hike once previously, and that trip was in bright blue sunny skies in the middle of summer. This trip was overcast, with light showers, and during the short days of late...Read More

Pentax Full Frame Camera early 2016

September 27, 2015
The eagerly awaited Pentax full frame camera is now officially scheduled for release early in 2016. The Pentax brand of cameras are truly flourishing under the stewardship of Ricoh Imaging, with the brand new Pentax K-3II DSLR turning heads at the APS-C level, and the medium format 645Z an absolute winner, receiving nothing but outstanding...Read More

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