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UltravioletPhotography

Sunflowers in my garden


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Here are some images, taken recently and less recently of my sunflowers.

 

Filters:

UV: ZWB2 (2 mm) + chinese BG39 (2 mm)

VIS: chinese BG39 (2 mm) + polycarbonate goggles

IR: Hoya R72

 

UV. F-stop: f/2.8, ISO 1600, 1/8 s exposure.

post-284-0-84200100-1598012203.jpg

 

UV. F-stop: f/2.8, ISO 1600, 1/8 s exposure.

post-284-0-28318800-1598012276.jpg

 

UV. F-stop: f/2.8, ISO 1600, 1/8 s exposure.

post-284-0-43662200-1598012351.jpg

 

VIS. F-stop: f/7.1, ISO 200, 1/640 s exposure.

post-284-0-54446600-1598012440.jpg

 

IR. F-stop: f/7.1, ISO 200, 1/800 s exposure.

post-284-0-85796300-1598012477.jpg

 

IR. F-stop: f/7.1, ISO 400, 1/640 s exposure.

post-284-0-84750300-1598012671.jpg

 

The above is just a quick shot to give an idea on how tall this things are. I measured the tallest one some days ago, and it was 3.19 m (about 10 ft 5 in) tall.

 

I still have a little leak in the UV images. Yesterday my camera lens got stuck because glue from the filters I attach entered inside (I never put tape on the lens directly). I managed to fix it, but I slightly damaged the lens. The last photo was taken after this, so the camera still works. I will need an upgrade in the future, maybe years from now, but this camera will not live forever.

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I may consider it in the future. The ultimate 400 nm cut filter I would get one day (who knows when) would be 2 mm thick GG420. It doesn't make sense to buy it now for my camera, to attach it with black tape on a cardboard ring coming from toilet paper (these are my filters). Rosco R3114 would be more than enough.
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  • 2 weeks later...

I've certainly seen tall cultivated sunflowers, but did not know that they could reach 10'. Wow!

 

The IR sunflower is cool. The IR-absorbing, dark seeds provide an interesting contrast.

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