is this effect a lense filter?

leejam99

Active member
sorry i couldn't find a video for reference but hopefully someone will know what i'm talking about. You see it in a lot of Hip Hop videos now. The effect is where the background lights or any bright light has a horizontal streak to it. so if the background has the wall of lights or a car with the headlights on, the light has a long streak to it. Is this done with a filter? if so, what is it called?
 
most likely these days it's a post effect if it's a music video. The effect itself is the effect of light flares into anamorphic glass, but very few people shoot anamorphic these days, particularly for video or anything with a lot of effects.

There are filters however that will emulate the effect though. I don't know much about them and am actually researching them myself. I've seen them refered to as Streak Filters, but if you google them like i have, you wont find a lot. If you do find something though, please post so I can learn too.
 
yeah, mostly done in post, after effects plugins... check out trapcode plugins or knoll light factory... they have good flare effects.
 
There is a company or rental house in NY or London (somewhere east of here anyway...) that has blue streak filters that apparently emulate the anamorphic blue streak very well. Read about it on the CML but didn't save the post.

On a slightly different subject (but still related) Ira Tiffen wrote:

Maybe it's not too late to chime in here...some great ideas already put forth...just want to add that Robert Farber, in his still photography, used to touch his nose to collect skin oil and carefully wipe it across a clear filter in the selected area(s) where he wanted to alter the light. The effect is to create rays of light coming from a highlight in the scene, like a light source, or a window or skylight. As with a star filter, the rays are perpendicular to the direction of the streak of oil on the filter. You can get some interesting effects by making a curve instead of a straight line, or by making a circular pattern perhaps, but not necessarily, centred in the image.

Another thought- using clear nail polish is a way to make a filter that lasts longer than Vaseline- play with different application items, like a feather, sponge, brushes of different materials and textures, and tissues, etc. Use it sparingly - very little does a lot. Also, once done with the pattern, you can use polish remover to start over. Just remember that if you are using a laminated filter (and you know who you are) be careful that the remover doesn't seep into the edge of the filter, which, even if sealed, may be subject to some deterioration by the solvent in the remover.

Best to use a solid clear filter for this, but as you may also want to combine this effect on another optical filter effect, this is good to consider.

If all else fails, Robert also used to do what many other still photogs do- breathe on the filter, and if there is enough moisture, it will fog the filter for enough time to get an effect- although better suited to stills where a shot is achieved in an instant, it may be something to keep in mind.
 
Anamorphic streaks could be left until post, I am not sure how good they can be done without anamorphic optics during a shoot. To be honest though, they are abit overdone and make me think of Babylon 5 and Sea Quest DSV - in other words - early Lightwave 3D!!
 
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