This light is perfect to use as a nightlight or as a display light to set a fantastic undersea mood in your living room, bedroom, or bathroom. It’ll even be great at work, provided it doesn’t lure your attention away from your duties. We’re just saying, it can be A.D.D. bait. The struggle is reel. Now, wasn’t that just a clam-dunk?

Clamshell lighting doesn’t require a crazy amount of gear. Along with a camera and lens, you’ll need: Lythgoe, J., Shand, J., and Foster, R. (1984). Visual pigment in fish iridocytes. Nature 308, 83–84. doi: 10.1038/308083a0 You can play with different combinations of lighting strength, though to do this with a reflector you’ll want to move it closer and farther away from the subject’s face. Adding a Third Light While you only need two lights to create the clamshell pattern, you’re always free to add additional lights to the setup.

Acknowledgments

Warning: this product requires button cell batteries which if swallowed by children may lead to serious injury or death in as little as 2 hours. Catchlight is that magical spot of light in the subject’s eyes, one that’s created by a reflection from the light source. It brings life to the eyes; without a catchlight, the eyes – and the entire portrait – can appear flat and lifeless.

Olarte, O. E., Andilla, J., Artigas, D. & Loza-Alvarez, P. Decoupled illumination detection in light sheet microscopy for fast volumetric imaging. Optica 2, 702–705 (2015).As the only photosymbiotic organism among iridocyte-containing animals, Tridacninae contain dinoflagellate algal symbionts (Symbiodiniaceae), and therefore also their photosynthetic antenna systems, including photosynthetic pigments, such as chlorophyll a and c. The contribution of chlorophyll a is clearly visible in the unique and well-known emission peak at around 676 nm ( Holm-Hansen and Riemann, 1978), where it can absorb the blue light emitted by the guanine. Thereby harmful UVR is shifted into photosynthetically active blue radiation, which is in turn absorbed by the chlorophyll, and ultimately emitted as innocuous, “waste” far-red radiation. Blue light emitted by guanine that is not absorbed by chlorophyll may then be again absorbed by the guanine of the iridocytes. The iridocytes may then re-emit at a longer wavelength, yielding the broad emission shoulder in the green color (at about 530 nm) characterized here for pure, crystalized guanine, as well for the tissue-embedded iridocytes ( Figures 5B, 6A). Light at wavelengths around 530 nm can then be further absorbed by a unique photosynthetic antenna system (i.e., the peridinin–chlorophyll a–protein – PCP), which harvests light in the green region (530–550 nm) and is characteristic of dinoflagellates, including Symbiodiniaceae ( Larkum, 1996; Kanazawa et al., 2014). Mubaid, F. & Brown, C. M. Less is more: longer exposure times with low light intensity is less photo-toxic. Microsc. Today 25, 26–35 (2017). Futia, G., Schlup, P., Winters, D. G. & Bartels, R. A. Spatially-chirped modulation imaging of absorption and fluorescent objects on single-element optical detector. Opt. Express 19, 1626–1640 (2011). You know how to capture a basic clamshell image. But how can you take your shots even further? Here are a few of my top tips to help you out: 1. Experiment with different modifiers

For this reason, it’s important that you make sure that both catchlights are present in the shot. Make sure that your top and bottom light stay in front of your subject without going too high or low, because the farther you move them up (in the case of the top light) and down (in the case of the bottom light), the more you risk losing one (or both) of the catchlights. When you’re first starting out with clamshell lighting, softboxes can be your best friends. They provide a gentle touch that’s perfect for beginners. But as you get more comfortable, you might find yourself wanting to explore other options. This is an excellent idea. Overmans, S., and Agustí, S. (2020). Unraveling the seasonality of UV exposure in reef waters of a rapidly warming (sub-) tropical sea. Front. Mar. Sci. 7:111. doi: 10.3389/fmars.2020.00111K.T. and J.W. conceived the idea and supervised the whole project. Y.R., Q.L., and J.W. performed the experiments and data analysis. H.L. prepared the tissue cleared sample, and D.S. cultured the breast cancer cells. K.T. and Y.R. wrote the manuscript with input from all authors. All authors discussed and revised the manuscript. Corresponding author Carreja, B., Fernández, M., and Agustí, S. (2016). Joint additive effects of temperature and UVB radiation on zoeae of the crab Taliepus dentatus. Mar. Ecol. Prog. Ser. 550, 135–145. doi: 10.3354/meps11715

Kim, H. N., Vahidinia, S., Holt, A. L., Sweeney, A. M., and Yang, S. (2017). Geometric design of scalable forward scatterers for optimally efficient solar transformers. Adv. Mater. 29:1702922. doi: 10.1002/adma.201702922 Made from white ceramic and shaped like a pearl sitting in an open clam shell has been realistically designed with scallop edging and groves in the surface. It comes with a white, plastic ‘pearl’ that can be switched on at base to begin the cycle of colours and sits snuggly in the middle of the shell. SR collected and dissected the animals. RS conducted the experimental measurements. All authors conceived the research, discussed and analyzed the results, and contributed in writing the manuscript. Funding Clamshell lighting has the power to draw out some details and obscure others. It sculpts the cheekbones, defines the chin line, creates a sparkle in the eye, and leaves shadows soft.Van Wynsberge, S., Andréfouët, S., Gaertner-Mazouni, N., Wabnitz, C. C. C., Gilbert, A., Remoissenet, G., et al. (2016). Drivers of density for the exploited giant clam Tridacna maxima : a meta-analysis. Fish Fish. 17, 567–584. doi: 10.1111/faf.12127 For softer shadows, increase the power of the bottom fill light. If you are using a reflector, switch from a white to a silver reflector or move the reflector closer to the subject’s chin.