A long-forgotten P52 theme: sun stars. I would like to quote mithrandir's announcement, as it covers pretty much everything one should know for this techinque:
For this week we will compose our shots using a special lighting technique to create Sun Stars. Basically, we will be including the sun as part of our composition using a high f/stop.

See the following examples on the technique:

Lens Tests: Fisheye - Sun Stars - Stefan Rohloff Photography
Shutterbug: 9 Easy Special Effects
How to keep from going blind using this technique: Seeing Stars: How to Create Sunbursts
P52-2-25 Winning entry by Rollsup

(Photos for the Week #35 competition are to be taken between Sep 2, 2013 and Sep 8, 2013.)

Rules
1. Anyone and everyone interested in challenge is eligible. The goal continues to be
have fun and share comments, concepts, insights, and techniques with fellow
Pentaxians.
2. Each week will feature a Theme and Sub-concept for you to explore.
3. Post your single picture in Project 52-5 thread for the week. Explain what
motivated you to take the picture and/or how you feel it represents the weekly
theme.
4. Some post-processing is OK (adjusting white balance, exposure, color
saturation), but let's try to stay away from heavily PP'ed images here. Try to
keep the creativity to photographic techniques and the captures themselves.
5. Since this project is about technique, and not camera, shots taken by non Pentax cameras are allowed.
Cameras may be SLRs, DSLRs, Point & Shoot, Medium Format, et cetera.
6. There is one “Theme Concept” labeled “black and white,” but feel free to post
black and white, sepia, monotone, etc., for any of the other themes.
7. The picture you post should be taken during the week in which the theme is
active to be eligible for judging.
8. Any picture taken from thread start date to listed closing date is acceptable.

[jheu02]

Shot for this as part of my Single in September shooting. I may change the shot if I can find a better subject (I have an idea but haven't had the opportunity to set it up).

Seeing Stars

[Tamia]

Nice stars, John! I'm not going to get another chance this rainy weekend, so here's mine...

Woodland Sun-Star

[patrick9]

I almost didn't post this.Then I decided what the heck. I shot this at sunrise using an old M 80-200 lens set at 100mm. The clouds are starting to roll in even in this shot. They are still here.

Attached Images

 

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Last edited by patrick9; 09-08-2013 at 02:44 PM. Reason: grammar

[noelcmn]

Also going with trees on this one.

[jmschrei]

Not to be left out, I also have a sun burst peeking through a tree, in this case a hawthorn. I have taken many more brilliant sunbursts with this lens, the DA 15 limited, but very clear atmosphere is required for the best effect and after two days of rain there was too much moisture in the air today.