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Among the most impressive sights along the Jurassic Coast are the sea stacks at Ladram Bay. The sandstones contain numerous vertical fractures and joints that were formed deep in the Earths crust during past mountain building periods. The sea picked out these planes of weakness to form caves and natural arches that have since collapsed to produce sea stacks. The “Otter Sandstone” that forms the cliffs and sea stacks were deposited in a hot dry climates in the Triassic Period about 220 Million years ago. The stacks are composed of the same rock, which is relatively soft, but they have a harder band of sandstone at their base which prevents their rapid erosion by the sea. The striking red colour of the rock is caused by iron oxide, which tells us that the layers were formed in a desert. The presence of ripple marks and channels in the sandstones, together with the remains of the long-extinct plants, insects, fish, amphibians and reptiles, show that the desert was crossed by fertile river valleys.
The “Otter Sandstone” is the richest source of Triassic reptile remains in Britain and one of the most important in the world. At the south-west end of the bay, the most common fossils in the sandstone are networks of vertical, tube-like carbonate petrifactions (rhizocretions): these represent the roots of plants that were able to survive in the harsh dry climate of the Triassic Period.[2]
The bay is sited on the same band of Sandstone that forms the oil reservoir at the Wytch Farm oilfield on the Isle of Purbeck.
4 Stacks from 115 images and differend light figuration combined
This was taken with f16, Panasonic 45-175mm and Raynox DCR-150. The interresting thing about some telezoom lenses is, that their sharpest possible aperture in combination with raynox dcr lenses is f16, and the picture quality is much above the native quality of the teelezoom lens. In stacking f16 brings often much better results than f4, because of the smaler seams around overlapping objects.
What is more fun and tempting than a taller than you display of 'stacked' candy sticks in every flavor imaginable? #cy365 148/365 'stacked'
Un experimento de stack focus, una técnica que me comentó hace poquito JCRUIZ y a la cual empiezo a ver el "gustillo".
La técnica de stack focus consiste en realizar varias tomas con diferentes planos de enfoque para combinarlos todos y obtener una toma general con una profundidad de campo mucho mayor de la ofrecida por el diafragma del objetivo, de este modo, podréis ampliar la cobertura de enfoque en macros y fotografías del estilo. Hay programas que al parecer realizan esta operación de una forma más o menos automática pero son para PC. Esta que os muestro está hecha en MAC y de forma y procesado manual mediante el empleo de 3 capas con planos de enfoque.
Panasonic FZ70 f6.3 1/100sec 112mm
stacked from 3 images and sharpened by wavelet filter in RegiStax V6.
This was taken on 1st September 2013 when I had the opportunity to pop over to Anglesey, North Wales to a location called “South Stack”. It is a 7x HDR image that was processed using photomatix and lightroom.
For more information about South Stack see the Wiki site:
This is a stack of 120 images (interval 5 sec; lapse time ~10 minutes), layers darkened and lightened then blended 50%-50% with Photoshop. Since the clouds remained nearly stationary, except for a drifting contrail at top, the image almost looks like a single frame image.
The phantom jeep was unavoidable.
The Stacks of Duncansby, Duncansby Head at sunset.
Copyright www.neilbarr.co.uk. Please don't repost, blog or pin without asking first. Thanks
I like the stumbling, falling-yet-failed stacked-image effect, oddly enough. A mixed assortment from my garden.
Stack Software Comparison
Credit: Giuseppe Donatiello
Same starting material and final result for the simple average stack of five 30-second images at 400 ISO, calibrated for darks, bias, and flats, taken with a Pentacon 135mm f/2.8 lens + DSLR.
You can evaluate for yourself which stack is best.
The red maple, Acer rubrum, often one of the most dominant trees in deciduous woods in the East. It blooms very early in the spring and provides pollen and nectar to the set of bees, and flower flies, that come out early. One can only imagine what the tonnage of pollen and nectar these trees produce in aggregate, and how such a seemingly small, component of the tree, flowers, could drive the populations of a huge number of bees and other insects in. Flowers collected by the photographs taken by Helen Lowe Metzman from Howard County Maryland.
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All photographs are public domain, feel free to download and use as you wish.
Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200
Beauty is nature's fact. - Emily Dickinson
You can also follow us on Instagram - account = USGSBIML Want some Useful Links to the Techniques We Use? Well now here you go Citizen:
Best over all technical resource for photo stacking:www.extreme-macro.co.uk/
Free Field Guide to Bee Genera of Maryland: bio2.elmira.edu/fieldbio/beesofmarylandbookversion1.pdf
Basic USGSBIML set up:
www.youtube.com/watch?v=S-_yvIsucOY
USGSBIML Photoshopping Technique: Note that we now have added using the burn tool at 50% opacity set to shadows to clean up the halos that bleed into the black background from "hot" color sections of the picture.
www.youtube.com/watch?v=Bdmx_8zqvN4
Bees of Maryland Organized by Taxa with information on each Genus
www.flickr.com/photos/usgsbiml/collections
PDF of Basic USGSBIML Photography Set Up:
ftp://ftpext.usgs.gov/pub/er/md/laurel/Droege/How%20to%20Take%20MacroPhotographs%20of%20Insects%20BIML%20Lab2.pdf
Google Hangout Demonstration of Techniques:
plus.google.com/events/c5569losvskrv2nu606ltof8odo
or
www.youtube.com/watch?v=4c15neFttoU
Excellent Technical Form on Stacking:
Contact information:
Sam Droege
sdroege@usgs.gov
301 497 5840
Between Ash Street and Brighton Park crossings in Chicago, NS 3515, an ex-BN SD40-2, leads NS 3445 and NS SD60E 6944 with a Global I - 47th Street stack transfer run, moving southward and crossing over from CSX's B&OCT onto former Chicago Junction (NYC, Conrail) rails. Number 3445 is one of a couple dozen rebuilt by Conrail from straight-SD40s; this group is currently being traded to CSX for their SD80MACs. The Adlai Stevenson Expressway (I-55) and CSX's bridges over the Chicago Sanitary and Ship Canal are visible in the distance.
A detail of a stack of boats down at the Lake Mendota lake shore. It will take a while until they can flash their colors on the lake again.
Vintage postcard.
American actor Robert Stack (1919-2003) became a star as Deanne Durbin's young lover in Henry Koster's First love (1939). After the war, he had massive success with Douglas Sirk's drama Written on the Wind (1956) for which he was nominated for the Oscar. Internationally, he became famous as Elliot Ness in the TV series The Untouchables (1959-1963).
Robert Stack was born Charles Langford Modini Stack in Los Angeles, in 1919. His first name, selected by his mother, was changed to Robert by his father, a professional soldier Robert was the grandson of Marina Perrini, an opera singer at the Scala theatre in Milan. When little Robert was five, his father was transferred to the US embassy in France. Robert went to school in Paris and learnt French rather than his mother tongue. At 11, he returned to America, and at 13, he became a top athlete. His brother and he won the International Outboard Motor Championships, in Venice, Italy, and at age 16, he became a member of the All-American Skeet Team. He played polo, saxophone and clarinet at Southern California University. A broken wrist ended his career as a sports athlete. He took drama classes and made his stage debut at 20. He joined Universal Studios in 1939. In his first film, he starred as Deanne Durbin's young lover in First love (Henry Koster, 1939). He gave the teenage film star her first on-screen kiss. Around this "event," Universal producer Joe Pasternak provided a lot of publicity. Stack established himself as an actor and the following year he appeared as a young Nazi in The Mortal Storm (Frank Borzage, 1940) alongside Margaret Sullavan and James Stewart. Stack was reunited with Durbin in Pasternak's musical Nice Girl? (William A. Seiter, 1941). In 1942 he appeared as a Polish Air Force pilot in Ernst Lubitsch's comedy To Be or Not to Be (1942) starring Carole Lombard and Jack Benny. The plot concerns a troupe of actors in Nazi-occupied Warsaw who use their acting abilities to fool the occupying troops. The film has become recognised as a comedy classic. Stack played another pilot in Eagle Squadron (Arthur Lubin, 1942), a huge hit. Then Stack's career was interrupted by military service. He did duty as a gunnery instructor in the United States Navy during World War II.
After World War II, Robert Stack continued his career. He returned to the screen with roles in films such as Fighter Squadron (Raoul Walsh, 1948) with Edmond O'Brien and A Date with Judy (Richard Thorpe, 1948) with Elizabeth Taylor. In 1952 Stack starred in Bwana Devil (Arch Oboler, 1952), the first major film production in 3D. He played the second leading role alongside John Wayne in William A. Wellman's aviation drama It's Always Day (1954). Sam Fuller cast him in the lead of House of Bamboo (1955), shot in Japan. Stack enjoyed one of his greatest successes with Douglas Sirk's drama Written in the Wind (1956). He received an Oscar nomination for Best Supporting Actor for his portrayal of the alcoholic playboy Kyle Hadley. From the late 1950s Stack turned increasingly to television. Internationally, Robert became famous with his role in the television series The Untouchables in which he starred as the clean-cut Chicago police officer Eliot Ness during the Prohibition era. Around 120 episodes were made between 1959 and 1963. Other leading roles followed for Stack in the television series The Name of the Game (1968-1971), Most Wanted (1976) and Strike Force (1981). The multilingual Stack also took the lead role in the German-language film Die Hölle von Macao/The Hell of Macau (James Hill, 1966) alongside Elke Sommer, and he also appeared in French- or Italian-language productions. With advancing age, Stack also frequently took on deadpan comedy roles that lampooned his dramatic on-screen persona in films such as 1941 (Steven Spielberg, 1979), Airplane! (Jim Abrahams, David Zucker, Jerry Zucker, 1980) or Caddyshack II (Allan Arkush, 1988). Between 1987 and 2002 he was the host of the television series Unsolved Mysteries, which was dedicated to mysterious murder cases. He worked as an actor until his death. In 1956 he married actress Rosemarie Bowe (1932-2019), to whom he was married until the end of his life. The couple had two children. Robert Stack died of pneumonia in 2003 in Beverly Hills at the age of 84 and was buried in Westwood Village Memorial Park Cemetery.
Sources: Wikipedia (Dutch, German and English) and IMDb.
And, please check out our blog European Film Star Postcards.
Another Anemone picture taken at the CBG. I wanted sharpness all through this flower, but not in the background. So I decided to try focus stacking. Fortunately this was inside, so no problem with wind. This is just two pictures merged. One picture was taken focusing on the petals and the other on the stamen.
I then used PSE, layering the two images and selctively merged the layers. It seems like a valid technique. May have to try this again with something that has greater depth than this Anemone.
A Marine stack takes cover behind a protective blanket during an explosion Aug. 28, 2013, while completing a demolitions training evolution at a demo range in the Central Training Area in Okinawa, Japan. The knowledge of the different types of explosives in urban mobility breaching is vital to combat engineers as they perform a key role in a war-time theater. The Marines are combat engineers with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force.
(U.S. Marine Corps photo by Lance Cpl. Jose Lujano/Released)