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South Stack is famous as the location of one of Wales' most spectacular lighthouses, South Stack Lighthouse. It has a height of 41 metres (135 feet). It has a maximum area of 7 acres.
Until 1828 when an iron suspension bridge was built, the only means of crossing the deep water channel on to the island was in a basket which was suspended on a hemp cable. The suspension bridge was replaced in 1964, but by 1983 the bridge had to be closed to the public, due to safety reasons. A new aluminium bridge was built and the lighthouse was reopened for public visits in 1997. Thousands of people flock to the lighthouse every year, thanks to the continued public transport service from Holyhead's town centre.
There are over 400 stone steps down to the footbridge (and not, as local legend suggests, 365), and the descent and ascent provide an opportunity to see some of the 4,000 nesting birds that line the cliffs during the breeding season. The cliffs are part of the RSPB South Stack Cliffs bird reserve, based at Elin's Tower.
The Anglesey Coastal Path passes South Stack, as does the Cybi Circular Walk. The latter has long and short variants; the short walk is 4 miles long and takes around two hours to complete. Travelling from the Breakwater Country Park, other sites along the way are the North Stack Fog Signal station, Caer y Tŵr, Holyhead Mountain and Tŷ Mawr Hut Circles.
Bowman Lake was a pleasant, welcome surprise. We were surprised how busy Glacier National Park was in mid-September. After hiking the day before in one of the popular areas, we opted to take a break and check out the northwest area of the park via an unpaved road. The lake was secluded and we got some nice sky to go with it. On the technical side, I've ventured into focus stacking. So this is an image combined from about six, using Zerene's focus stacking software.
Fudgeeo
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A sea stack silhouette in Lake Superior during sunrise. Tettegouche State Park, Minnesota.
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This is a stack of 15 exposures (about 15 mins worth) taken while on holiday at The Undercliff Studio in Devon.
Nikon D600 camera and Nikkor 28-70mm f2.8 at 28mm and 3200 iso
Nikon AF Micro Nikkor 60mm f/2.8D on 36 mm extension tube
focus stack of 38 images
combined with Zerene Stacker (DMap)
Rawsa - Condroz - Belgique
Having a bit of creative fun, I stacked 130x2 second images and lightened in PhotoShop 6.0. Unlike my previous examples: www.flickr.com/photos/79387036@N07/albums/72157689221737561, these clouds seemed to be moving in many directions over this 4.3 minute interval.
Anyway, I thought the pattern was an interesting abstract and worth uploading. :-)
Fresh out of the Alliance Yard, BNSF 7767 leads a westbound stack train through Hicks Field Road on it’s way out of Saginaw
A cairn of rocks on a rainy day. Found along side a forest service road near Icicle Creek, Leavenworth, Washington
Nikon D7000
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.
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.
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.
You never know what you are going to run into. This is Perdita bradleyi. A very uncommon bee and only the second record I know of for Maryland or any of the surrounding states. Found by Don Harvey and then Tim McMahon on Jug Bay Wetlands Reserve in Anne Arundel County. One interesting aspect of this species is that it is a spring species, the only one in the region (the rest are fall species). As you can see from the pictures, it has been collecting a lot of pollen, but it remains a mystery (so many mysteries) as to what plant that pollen is from.
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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 truth, truth beauty - that is all
Ye know on earth and all ye need to know
" Ode on a Grecian Urn"
John Keats
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
Stacking focus @ maginification 6x - 133 image
Gear: Mituyoto 5x + 160mm tube (FD Canon) 210 rodenstock f/9 + 7D Canon + Flash with diffuser DIY
Panasonic FZ70 f6.3 1/100sec 112mm
stacked from 3 images and sharpened by wavelet filter in RegiStax V6.
Here's my collection of Spacesavers, to date:
Top down:
Embroidery
1.5 quart Pink Daisy
2 Qt Pink Daisy
1.5 Qt Blue Snowflake
2 Qt Blue Snowflake (reverse colours)
2 Qt Black Snowflake
They all spend a lot of endless hours, holding various foods in my fridge or sweating it out in my oven. They are my best friends in the kitchen and I love them all.
A toy model of a 2CV, given to the father of a friend when buying his second real 2CV, somewhere in the 60's.
This photo was a focus stack of 6 pictures.
The Stacks of Duncansby, Duncansby Head at sunset.
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Pholidoptera griseoaptera, juv.
Size: 6 mm
These grow to be much larger later in the season but in the beginning of the summer they're all quite small. June 2015 was unusually cold so everything seemed to be delayed with a couple of weeks compared to the typical schedule. This was shot on June 9th, but it looks more like a May-sized individual.
Stacked from 37 natural light exposures in Zerene Stacker.
BTW: It's tempting to soften the light with a diffuser in cases like this. Especially since direct sunlight + dew often causes tricky stacking artifacts. But note to self: It's worth taking the risk sometimes. Your light-deprived brain will thank you if you're like me and save editing until this dark time of year...
Sony NEX-7, Canon MP-E65 @ 1/4s, f/6.3, ISO100