yeemans152 - Tumblr blog

[yeemans152]

C

[yeemans152]

Air and Water

[yeemans152]

My most recent shots with my Canon EOS Rebel T7 and Super-Takumar 55mm f/1.8

[yeemans152]

Asymmetric optical camouflage: Tuneable reflective color accompanied by optical Janus effect

In modern optics, a variety of nanoscale materials and their localisation have been examined, as they lead to novel optical effects. Viewing a direction sensitive information display utilizing the optical Janus effect has attracted great attention owing to its dynamic operation scheme which allows for discriminative information delivery. However, the integration of nano-materials within multiple layers limit their application in dynamic and real-time color tuning.

In a new paper published in Light Science & Applications, a team of scientists, led by senior researcher Yong-Sang Ryu (Sensor System Research Center, Korea Institute of Science and Technology, Republic of Korea) & Professor Seung-Yeol Lee (School of Electronics Engineering, Kyungpook National University, Republic of Korea) and co-workers developed a liquid-permeable translucent mirror to achieve asymmetric reflective color contrast depending on the viewing direction. Based on simple and cost-effective metal-dielectric-metal (MDM) films, they designed an optical device which is capable of displaying distinct colors as well as messages with respect to viewing directions.

Read more.

[yeemans152]

Super-Takumar

so i got a '70s film camera (Asahi Pentax Spotmatic SP F, 1973) with a lens from the late '60s (Asahi Super-Takumar 55mm f/1.8) i haven't gotten film yet, but i put the lens in front of my DSLR and got some nice results-

[yeemans152]

Hey y'all!

Hi! I'm a photographer (well, kinda) from southeastern Virginia.