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Nine-blade iris Pentacon 2.8/135 lens with 15-blade iris Aperture mechanism of Canon 50mm f/1.8 II lens, with five blades In the human eye, the iris (light brown) acts as the diaphragm and continuously constricts and dilates its aperture (the pupil) A 750nm titanium-sapphire laser beam passing through an iris diaphragm, while opening and closing the iris.
The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger reflection nebula designated LBN 487. The nebula, which shines at magnitude +6.8, is illuminated by a magnitude +7.4 star designated HD 200775. [1]
The irides are yellow. The juveniles resemble adults, although the iris colour is a darker orange-yellow and plumage is distinguishable in multiple and subtle ways. [16] In flight, the eastern osprey has bowed wings with narrow primary feathers that are angled and separate, giving a fingered appearance to the observer below.
Osprey couple Stella and Talon have three eggs in their nest ready to hatch. These birds are going to become parents any day now. Watch them hatch on ‘Osprey cam’
The osprey and owls are the only raptors whose outer toe is reversible, allowing them to grasp their prey with two toes in front and two behind. This is particularly helpful when they grab slippery fish. [26] The osprey is 0.9–2.1 kg (2.0–4.6 lb) in weight and 50–66 cm (20–26 in) in length with a 127–180 cm (50–71 in) wingspan.
The camera focuses on a nest atop the crane belonging to two ospreys, known as Rosie and Richmond. [109] Through the Osprey Cam, viewers can watch as Rosie and Richmond enter nesting season, take care of eggs, and raise their young. The Osprey Cam live chat is a place to discuss ospreys, and air questions about behaviors or related topics.
Discover the standout moments of March 2024 through USA TODAY's photo collection, showcasing the month’s most impactful events and images.
Ivanka Trump has zero plans of returning the White House to help her father run the country during his second administration, bluntly declaring: “I hate politics.” President-elect Donald Trump ...