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UltravioletPhotography

Narcissus sp. [Daffodil]


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Castellani, A. (2023) Narcissus sp. L. (Amaryllidaceae) Daffodil. Photographic studies of the flower under various alternate light filters. Also an example of the Collodion Wet Plate Process. LINK

 

Location: Verona, Italy

16 March 2023

Cultivar in home garden

 

References: accessed 11 July 2023

https://en.wikipedia.org/wiki/Narcissus_(plant)

https://en.wikipedia.org/wiki/Collodion_process

 

Collodion Wet Plate Process using lithium formula. 

On anodized aluminum (4x5 inches) using a Petzval "no-name" 300mm lens from ~1860.

f/4.5 with 2 shots from a 4000W flash held 12" from subject.

5AC_2112-.jpg.8dbad6f25a0a305aacc7b89694fc3c9d.jpg

 

 

Visible: Nikon Z5 (stock) + MC 105 mm lens.

5AC_2110-.jpg.79c7751d031a438f5f7d1b3edd268c93.jpg

 

 

Sony A7 (full-spectrum) with the Petzval "no-name" 300mm lens.

1. Visible: QB39 (1.5mm)
2. Collodion wet plate emulation
3. TSN+QB29
4. TSN+ZWB3
5. UV: TSN+ZWB2
6. UV: TSN+ZWB1

DSC04294C-.jpg.6b725eed14babb52dff1207a10986bbb.jpg

 

 

Sony A7 (full-spectrum) with a Rodenstock Sironar 180 mm lens.

f5.6 > 45
1. Visible: Nikon Z5 (stock)
2. Collodion wet plate emulation
3. Mixed Light: TSN+QB29
4. Mixed Light: TSN+QB29
5. Mixed Light: TSN+ZWB3
6. Mixed Light: TSN+ZWB3
7. UV: TSN+ZWB2
8. UV: TSN+ZWB2
9. UV: TSN+ZWB1
10. UV: TSN+ZWB1

DSC04317C-.jpg.1ee9d413a0aa1b08d6462e1c01b9ba50.jpg

 

 

9 of the preceding 10 photos rendered in Black & White.

DSC04317BW-.jpg.67c4281482fc5dda7825296b0e3aa144.jpg

 

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21 hours ago, colinbm said:

Wow, you have got all sorts here.

I found two other types!

 

14 hours ago, Nate said:

I like seeing this with the different filter combos

I also made this with different combinations of filters and a white Teflon, now I have to develop them well.

 

 

5AC_211739-.jpg.a6788274c10b7f42b3954a333c5cbc00.jpg

 

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These are the Sony A7 fs images, with UV filters  (color calibrated with teflon)

DSC04353c.jpg.24d883be37239092e4c5aa3354f8a475.jpg

 

 

 

converted to black and white

 

DSC04353BW-.jpg.1d419d5eb96e0d12cd02851910822616.jpg

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These images are made with 120 format film, Fomapan 100 iso, Rodenstock Sironar 180 mm lens with UV filters.
Unfortunately there was a problem, the developer didn't cover all the negative and left a clear area to the left of the images.

 

5AC_2146-.jpg.be3d67a1c8c8d4378989768becb26800.jpg

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1 hour ago, OlDoinyo said:

Now try ZWB1 with wet plate...

Yes I would like to try with ZWB1 , 2 , 3 wet plate
(one graph says collodion sees up to 325nm)
The problem is that the base sensitivity is 1 or 2 iso
with the filter it would be 4~6 stops less

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On 3/24/2023 at 5:33 PM, photoni said:

Yes I would like to try with ZWB1 , 2 , 3 wet plate
(one graph says collodion sees up to 325nm)
The problem is that the base sensitivity is 1 or 2 iso
with the filter it would be 4~6 stops less

Perhaps the easiest trial would be a landscape shot, given 1-2 hours' exposure if needed; if it happens to include some UV-distinctive flowers, so much the better. Would that be possible without excessive drying of the plate?

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5 hours ago, OlDoinyo said:
On 3/24/2023 at 10:33 PM, photoni said:

 

Perhaps the easiest trial would be a landscape shot, given 1-2 hours' exposure if needed; if it happens to include some UV-distinctive flowers, so much the better. Would that be possible without excessive drying of the plate?

 

@OlDoinyo Thanks for the idea but...

 

it's called a wet plate, drying takes place in 5 - 15 minutes depending on the temperature and humidity,

you can't prolong the exposure that much.

 

However the result should be the same as Orthochromatic film with only ZBW1 - 2 - 3

(or to a normal panchromatic as I did above, adding a TSN / QB39 / BG39 filter)

 

I did a test, all photographic films (even infrared) see up to 300 ~ 350 nm

 

I guess they are the same as glass negatives (Dry Plate) made by an American firm (Jason Lane)

and a Slovenian firm (Zebra) these are also orthochromatic

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