Mes photographies
Sur cette page, vous trouverez mes photographies, principalement sur des sujets de sciences et de technologies.
Tout le contenu publié sur cette page est sous licence CC0 (Creative Commons Zero): vous pouvez le copier, le modifier et le redistribuer, même pour un usage commercial, sans demander la permission. Bien qu'il ne soit pas nécessaire de me créditer, ce serait apprécié.
Cliquez sur une image pour l'afficher en haute résolution.
Pictures
Butterfly wing scale
Scale from the top surface of a butterfly wing (12.5× eyepiece, 40× objective, no staining on a Leitz SM). The ridges interract with light to create vibrant colors.
The Moon (full)
Moon with a Canon EOS 100D (1/1250s exposure, ISO 800) through my Celestron Travelscope70 (70×400mm).
NEOWISE Comet (C/2020 F3)
NEOWISE comet, 3s exposure with a Canon EOS 100D through my Celestron Travelscope70 (70×400mm) on 19/07/2020 at 22:58 UTC. Exposure, contrast and brightness adjusted.
Green pepper stalk cells
Cells from the stalk of a green pepper (12.5× eyepiece, 40× objective, no staining on a Leitz SM).
Green pepper skin cells
Epidermal cells from a green pepper (12.5× eyepiece, 10× objective, no staining on a Leitz SM).
Red onion epidermal cells
Epidermal cells from an red onion (12.5× eyepiece, 25× objective, no staining on a Leitz SM).
Skin of an egg
Thin skin between the shell and white of eggs (12.5× eyepiece, 40× objective, no staining on a Leitz SM).
Stomata of Crassula Ovata
Stomata of a Succulent Crassula Ovata (Jade plant) leaf (12.5× eyepiece, 100× objective, no staining on a Leitz SM). Chloroplasts are seen in the gard cells.
Onion epidermal cells
Large epidermal cells from an onion (12.5× eyepiece, 25× objective on a Leitz SM).
Vulcain rocket motor
Vulcain 1 rocket motor (Ariane 5) at Cité des sciences et de l'industrie, Paris.
The Moon
Moon through my Celestron Travelscope70 (70×400mm) with Logitech C270 camera (modified for astrophotography).
Butterfly wing
The top surface of a Danaus chrysippus butterfly wing.
Camera sensor
A CMOS sensor die from a CCTV camera.
Ladybug (Tytthaspis sedecimpunctata)
Top view of a 3.5mm long Tytthaspis sedecimpunctata found near Rouen.
Ladybug (Tytthaspis sedecimpunctata)
Underside view of a 3.5mm long Tytthaspis sedecimpunctata found near Rouen.
Integrated circuit die
Silicon die of an unknown integrated circuit in a ceramic package.
Spider (Salticidae)
Front view of a jumping spider. The pair of big eyes (anterior median eyes) is built like a telescopic tube and gives very good vision while the 3 secondary pairs gives it a 360° field of view.
Velcro (hook side)
The hook (hard) side of Velcro tape.
Moss (Bryophyta)
Dried up moss found on an ash tree, near Rouen.
Mosquito (Culicidae)
Front of a mosquito found near Rouen.
LCD pixels
Red, green and blue subpixels of a TFT LCD display showing a white picture.
Electronic ink display back
Close-up view on the back of an e-ink display (price tag). The plates are electrodes that move the charged pigment.
Electronic ink display
Close-up view on an e-ink display (price tag). The microcapsules that form the image are clearly visible.
Match head
The head of a security match (containing sulfur, potassium chlorate, fillers and glass powder).
Wing of a Drosophila
The leading edge of the wing of a fruit fly (Drosophila), found in Paris.
"Foot" of a fly
Foot end of a musca domestica. The beige colored appendices are sticky while the claws can help the fly pry its footpads loose.