Friday, May 31, 2013

Cambria hybrid in reflected ultraviolet photography, simulated butterfly and bee vision

Today shots of a decorative cultivated orchid, a Cambria hybrid in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating bee and butterfly vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was a modified Xenon flash. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

UV image using Jupiter-U filter (approx. 280-385nm, effective peak approx. 365nm):
 

UV image using Saturn-U filter (approx. 300-350nm, effective peak approx. 325nm):
 

Simulated butterfly vision (UV - VIS) using XBV3 filter:
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

IR image (mainly) using ND filter:
 

Hexaptych of some of the above:
 


This Cambria flower has a very specific UV pattern, its petals are very UV dark, but its lower petal lip has on the lower center a very UV bright spot as well as on its center "nose" formation reflecting around 385nm and all this gets nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Sunday, May 19, 2013

Hortensia - Hydrangea in reflected ultraviolet photography, simulated bee vision

Today shots of an well known flower, a Hortensia - Hydrangea in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm), processed differently:
 

Simulated bee vision (UV - VIS) using XBV3 filter:
 

Simulated bee vision (UV - VIS) using XBV3 filter, differently processed:
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Hexaptych of some of the above:
 


This Hortensia flower has a not a very specific UV pattern, its petal rims are lit up in UV, its center is a bit darker and this gets nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Saturday, May 4, 2013

Field Forget-me-not - Myosotis arvensis in reflected ultraviolet photography, simulated bee vision

Today shots of a spring flower (with yellow Waldsteinia in the background), a Field Forget-me-not - Myosotis arvensis in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadtriptych of the above:
 


This Myosotis flower has a quite specific UV pattern, its petals are bright in UV around 385nm, but its center is quite darker and this gets nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Rhododendron ponticum in reflected ultraviolet photography, simulated bee vision

Today shots of a spring flower, a Rhododendron ponticum in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadtriptych of some of the above:
 


This Rhododendron flower has no specific UV pattern, rather similar to the visible image, but its petals are bright in UV around 380nm, and anthers and stamen are UV dark and this gets nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Friday, May 3, 2013

Greater Celandine - Chelidonium majus in reflected ultraviolet photography, simulated bee vision

Today shots of a spring flower, a Greater Celandine - Chelidonium majus in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadtriptych of some of the above:
 


This Chelidonium flower has a specific UV pattern, its petals are bright in UV around 365nm, but anthers and stamen are UV dark and this gets quite nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Marsh marigold - Caltha palustris flower in reflected UV ultraviolet photography and simulated bee vision II

Today close-ups about another early spring flower I have written about before, Marsh marigold (Caltha palustris) in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating butterfly and bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadriptych of the above:
 


This Caltha flower has quite a prominent UV pattern, its center is UV dark, as well as some UV dark veins on its petals and this gets quite nicely visible.

More about this flower HERE

Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Thursday, May 2, 2013

Creeping Cinquefoil - Potentilla reptans flower in reflected UV ultraviolet photography and simulated bee vision II

Today about another early spring flower which I have shown here before in close-up, Creeping Cinquefoil (Potentilla reptans) in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating butterfly and bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated butterfly vision (UV - VIS) using XBV3 filter:
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadriptych of the above:
 


This Potentilla flower has quite a prominent UV pattern, its center is UV dark and this gets quite nicely visible, even in this "meadown" overview shot.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

False Strawberry - Waldsteinia geoides in reflected ultraviolet photography, simulated bee and butterfly vision

Today shots of a spring flower, a False Strawberry - Waldsteinia geoides in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating butterfly and bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated butterfly vision (UV - VIS) using XBV3 filter:
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Simulated bee vision (UV - VIS) using XBV5 filter:
 

Quadtriptych of some of the above:
 


This Waldsteinia flower has a specific UV pattern, its petals are bright in UV around 365nm, but anthers and stamen are UV dark and this gets quite nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos

Wednesday, May 1, 2013

Bloodroot - Sanguinaria canadensis in reflected ultraviolet photography, simulated bee and butterfly vision

Today shots of a spring flower, a Bloodroot - Sanguinaria canadensis forma multiplex in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter as well as my XBV filters for simulating butterfly and bee vision. Lens was a CERCO 94mm quartz fluorite lens. Light source was sunlight. All shots were done at about f5.6.

[click on image to see a larger one]

Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

Simulated butterfly vision (UV - VIS) using XBV3 filter:
 

Simulated bee vision (UV - VIS) using XBV6 filter:
 

Quadtriptych of some of the above:
 


This beautiful, but poisonous Bloodroot flower (a cultivar) has no specific UV pattern, but its petals are bright in long wave UV around 380nm, so this gets quite nicely visible.


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos