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UltravioletPhotography

Fall Aerochrome Sims


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Autumn reds are a little weak using this technique, but a variety of transposed colors are possible. I'm using a #12 yellow/XniteCC2 stack (Sony a7R), processed with the NS aerochrome profile.

 

post-189-0-02956800-1572620298.jpg

 

Red Japanese Maple, transposed to yellow

post-189-0-85704800-1572620341.jpg

 

Easy to figure out the actual colors

post-189-0-18041400-1572620374.jpg

 

post-189-0-65107500-1572620384.jpg

 

post-189-0-18283700-1572620408.jpg

 

Reverse side of previous shot.

post-189-0-26011500-1572620419.jpg

 

post-189-0-29322400-1572620437.jpg

 

post-189-0-25351900-1572620454.jpg

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CC2 = Schott KG1 (by the way). Type: Heat Absorbing Shortpass filter (KG1, KG2, KG3, KG5).

CC1 = Schott BG38. A completely different category of filter glass from KG. Type: BG (blue green) Bandpass filter.

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Thanks for the info, Steve.

 

I'm not sure how much more effective a KG3 would be, but so far, the CC2 / #12Y works fine for my purposes. I've also tried a heat absorbing round glass (2mm thick), that I salvaged from an old Kodak projector. It has a slightly green tint, but no idea what the transmission characteristics are. Unfortunately, it produced a lot more purple/magenta, and way too much green.

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Nice work, Gary.

 

I like that park bench scene a lot because of the unexpected reversal of greenish leaves on red grass at a time of year when we would expect reddish leaves on green grass.

And the two Beethoven shots.

 

Isn't that a magnificent tree in the last photo!

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Much appreciated Andrea!

 

You never know exactly, how colors are going turn out with this process, but you can always count on evergreens for nice saturated reds.

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I am going to have to try stacking #12 (or similar) with KG3 to see how it changes the results. I still have not tried that yet.

Do you have any comparison example between #12 alone and stacked with KG1 (CC2)?

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Steve,

A bit of snow this morning, but here is a comparison with and without the CC2. Levels adjustments, but SOOC color.

 

normal visible

post-189-0-42662700-1573142492.jpg

 

NS profile, daylight WB, ( #12Y + CC2)

post-189-0-70672400-1573142517.jpg

 

NS profile daylight WB ( #12Y only)

post-189-0-27352300-1573142532.jpg

 

I've also wondered if the KG3 would be worth the investment. -g

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Thanks Colin...and thanks to Mr. Spiker for creating the aerochrome profile.

 

I still find the SOOC aerochrome reds from the foveon sensor breathtaking.The Sony a7R setup is great, but I still like to keep an eye on foveon development. I'm wondering if the upcoming ff foveon model will offer a removable dust/hot mirror protector, like previous SD models. -Gary

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