Starburst with Canon 17-55mm F2.8?

Hello guys, I'm wondering if anyone has gotten this lens to give the starburst effect at small apertures. Playing with it yesterday it seemed the best I could do is a diffuse glow but nothing that is very noticeable. Does anyone here have any shots(presumably night shots) that show this effect with the lens and which aperture you used?

You need a point source, very small bright light.

f/11 works pretty good for me.

http://www.bhphotovide​o.com …R8_77mm_8_Point​_Star.html

30 seconds @ f/10

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It all depends on how strong your light source is and your chosen exposure and aperture value. If it's too strong it'll just blow out. Try starting around f/8 and stopping down from there. Select an ISO and Tv that won't blow the light out really bad and you should start to see stars.

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I can't say I tried that long at this with the 17-55 but it was rather easy to get this effect on my 100mm F2.8L. I tried it pointing it at a fairly bright LED with different exposure times and different apertures and had a hard time getting anything significant. The reason why I was trying this was I took pictures of my outdoor christmas lights and purposefully used a small aperture thinking I'd get the star effect. I ended up with little round circles. This may be due to how far back I was though(entire house shot).

Yes, if the small light is too oof, it will come out as a round (or close) circle, not rays. I'm repeating what others said but even number of blades = that many rays, odd number of blades yields double that number of rays. I have some lenses with 15 aperture blades.

This was a Tamron 17-50mm F2.8 @ F/16

@k4show - I see what you did with the play on f/16. Clever

Well I had better success today. I found that I just wasn't testing on a bright enough source yesterday as some people here have mentioned. Here is the picture I took of the christmas lights going on the tree.

picturecrazy wrote in post #9150455
It all depends on how strong your light source is and your chosen exposure and aperture value. If it's too strong it'll just blow out. Try starting around f/8 and stopping down from there. Select an ISO and Tv that won't blow the light out really bad and you should start to see stars.

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Sorry to hi-jack, but can I ask what tou used to light the subjects as you were shooting into full sun?