View allAll Photos Tagged Variable
tiny size of 20mm
A confusing species because of colour changes with maturity
looks like he was coated with icing sugar...hmm...looks rather tasty...
@jurong eco gardensg, sg
Mandara, Harare, Zimbabwe.
Always wanted to capture a sunbird on one of these plants. Great contrast of colours.
The weather conditions were a bit better today, allowing me to make a couple of better images.
For the full set go here.
Male. Taken during the Cibolo Bioblitz on 10/10/2015. This was the last day of their twice-per-year week-long Wildlife Field Research Week.
(Coenagrion pulchellum), also known as the Variable Bluet, plenty out at Minsmere RSPB, seemed to be the dominant species near the west hide
(Please feel free to share this image on Facebook, but no other usage without written permission. Thanks.)
Lens power is adjusted by sliding two lenses left or right relative to each other. These lenses are not pure convex or concave, but rather a "wave". The front lens has the convex plus curve towards the nose, and a small concave minus curve on the outside. The back lens is the opposite, with the small convex plus curve on the outside.
Here the glasses are in minus power, concave mode, with the back lens pushed outside so that the plus area is shifted further outside, enabling the minus areas of both lenses to overlap towards the middle. While the minus area does not completely cover the larger plus area, the concave power greatly exceeds the convex, producing a maximum net power of -6.
The center of the lens is used by the wearer to focus for distance vision. The ring around the edge looks just like the plus carrier portion of a myodisc lens, since it has the same convex lens shape used to thin the lens edge on a high minus lens. But here, we now have myodiscs mass produced in a mere -6 power.
This variable inductor is stepper motor controlled.
Should do something with these parts some day....
Lens power is adjusted by sliding two lenses left or right relative to each other. These lenses are not pure convex or concave, but rather a "wave". The front lens has the convex plus curve towards the nose, and a small concave minus curve on the outside. The back lens is the opposite, with the small convex plus curve on the outside.
Here the glasses are in minus power, concave mode, with the back lens pushed outside so that the plus area is shifted further outside, enabling the minus areas of both lenses to overlap towards the middle. While the minus area does not completely cover the larger plus area, the concave power greatly exceeds the convex, producing a maximum net power of -6.
The center of the lens is used by the wearer to focus for distance vision. The ring around the edge looks just like the plus carrier portion of a myodisc lens, since it has the same convex lens shape used to thin the lens edge on a high minus lens. But here, we now have myodiscs mass produced in a mere -6 power.
Variable Dancer.
The lovely lilac color on the abdomen of this small damselfly is distinctive for identification. This is a lifer for me, making up for a slow day for birds.
Taken at Exton Pond,
2014_08_17_EOS 7D_5942 v1
Variable Basker ( Urothemis signata signata ) - Rambur, 1842.- Female
Family: Libellulidae.
Werahara, Sri Lanka
Variable checkerspot (Euphydryas chalcedona corralensis) during fall butterfly count
NPS Photo/ Carmen Aurrecoechea
Alt text: An ornately patterned butterfly with orange, white, and black checks rests on a branch backlit by the sun.
A few damselflies from Ham Wall. While dragonflies were few and far between on Sunday, the damselflies were out in force.
The variable oystercatcher is a familiar stocky coastal bird with a long, bright orange bill, found around much of New Zealand. They are often seen in pairs probing busily for shellfish along beaches or in estuaries. Previously shot for food, variable oystercatchers probably reached low numbers before being protected in 1922, since when numbers have increased rapidly. They are long-lived, with some birds reaching 30+ years of age.
The existence of different colour morphs (black, intermediate or ‘smudgy’, and pied) caused early confusion, and they were variously thought to be different species, forms, or hybrids. This confusion was compounded by a cline in morphs, with the proportion of all-black birds increasing from north to south. The colour morphs inter-breed freely and are now all accepted as being a single species.