Focussing Collection

Descartes optics theory, 17th century
Descartes optics theory, artwork. This is the eye diagram from Descartes book Optics (1637). Three external points are shown depicted on the retina at the back of the eye

Hawker Hector with Napier Dagger III engine
A detail of a Hawker Hector focussing on the Napier Dagger III H-24 air-cooled piston Engine. Developing 805hp the Dagger was the next step for D

A Suburban Butterfly Hunt (chromolitho)
1055784 A Suburban Butterfly Hunt (chromolitho) by French School, (19th century); Private Collection; (add.info.: A Suburban Butterfly Hunt)

Amateur Photography by a Lady (engraving)
1061815 Amateur Photography by a Lady (engraving) by English School, (19th century); Private Collection; (add.info.: Amateur Photography by a Lady)

Scientist in a Laboratory Looking into a Microscope, 1949 (screen print)
3035928 Scientist in a Laboratory Looking into a Microscope, 1949 (screen print) by American School, (20th century); (add.info)

Young girl cleaning the hooves of a pony

Amateur Photography by a Lady, 1886: Focussing the Model

Businessman wearing a suit, sitting on a white sofa

Sharks eye with a slit pupil, close up

Correction of short sightedness, artwork C017 / 7004
Correction of short sightedness. Computer artwork showing a concave lens placed in front of an eye to treat short sightedness

Shortsightedness. Artwork of section through an eyeball affected by shortsightedness, or myopia. This is a condition in which distant objects appear blurred

Orphanage school
MODEL RELEASED. Orphanage school. Pupils focussing on a teacher (not seen) during a lesson. Photographed in Gulu, Uganda

Jupiter, first SOFIA image
Focussing Jupiter. A SOFIA infrared image with FORCAST instrument (19.7, 31.5 and 37.1 micrometer wavelength). SOFIA - the flying 2, 7m mirrors observatory onboard an Boeing 7747 SP

SOFIA airborne observatory installed in its 747SP aircraft. The mounting structure (blue) is at upper left. SOFIA is the Stratospheric Observatory for Infrared Astronomy

SOFIA airborne observatory aircraft. SOFIA is the Stratospheric Observatory for Infrared Astronomy. It is a 2.5-metre infrared telescope that is flown in its 747SP aircraft to the stratosphere

SOFIA airborne observatory in flight
SOFIA - the flying 2, 7m mirror observatory onboard an Boeing 7747 SP. The first light pictures were taken on May 26, 2010 of planet Jupiter and M82 galaxy

Focusing light. Light rays passing through a lens are focused inwards to a point. When light passes from one optical medium to another in which it travels at a different speed

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"Focussing: A Journey through Time and Perspectives" In the 17th century, Descartes' optics theory revolutionized our understanding of vision, emphasizing the importance of focussing. As we fast forward to the modern era, this concept remains crucial in various aspects of our lives. Imagine Hawker Hector soaring through the skies with its Napier Dagger III engine. The pilot's ability to focus on navigation instruments ensures a safe journey amidst vast expanses of clouds. On land, a suburban butterfly hunt captured in a vibrant chromolitho reminds us that even leisurely activities require concentration. Every delicate wingbeat demands precise focus from amateur entomologists seeking nature's hidden wonders. Similarly, "Amateur Photography by a Lady" showcases an engraving depicting a woman intently focusing her camera lens. In 1886 or today, capturing moments requires attention to detail and honed skills behind the viewfinder. Science too relies heavily on focussing; depicted in a screen print from 1949 is a scientist peering into a microscope. With unwavering concentration, they unravel mysteries hidden within minuscule worlds—pushing boundaries for human knowledge. Yet not all instances of focus occur within laboratories or grand endeavors; sometimes it can be found in simple acts like young girls cleaning pony hooves. Their tender care exemplifies how even mundane tasks deserve undivided attention and dedication. Shifting gears back to business settings—a suited businessman sits on his white sofa engrossed in work-related matters. His laser-like focus demonstrates how success often stems from concentrating efforts towards achieving goals efficiently. Meanwhile, another suited businessman occupies an adjacent sofa—an image repeated but with different stories unfolding simultaneously around us every day. Each individual absorbed in their own world signifies diverse objectives requiring distinct focal points for fulfillment. Zooming closer still reveals nature's marvels—the piercing gaze of sharks captivating us with their slit pupils up close.