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| Tidal Estuary Photography Project for Inshore Rescue - Page 2 | |
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| Posted: Wed Apr 3rd, 2019 11:54 |
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11th Post |
jk
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Feet? We will have fathoms, chains and rods next!  Yep, those time are aligned to my calculations and wind and low pressure also effect the height. Wind is the biggest effect. Like Jeff says mirrorless is better/easier as there is no mirror slap but D3 and D800 have mirror lockup.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Wed Apr 3rd, 2019 14:02 |
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12th Post |
chrisbet
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Fathoms yes, but chains & rods are definitely land based measures. Tide heights have traditionally been in feet.
____________________ If it is broken it was probably me .... |
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| Posted: Wed Apr 3rd, 2019 14:17 |
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13th Post |
Robert
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I blame it all on Brexit! Even the excruciating painful cramp in my left leg this evening. I haven't had a bad cramp for several years... Am currently processing 290 exposures I made this afternoon, all of them 5 shot bracketed sets. The gamekeeper was right, there are mine workings in the hillside and from the waste tips the vantage afforded is perfect. Once I have processed them I will post something. I made at least three panoramas I intended to take the fisheye but a panorama will be better to take advantage of the D800, the detail is remarkable.
____________________ Robert. |
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| Posted: Wed Apr 3rd, 2019 14:28 |
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14th Post |
blackfox
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Having owned a yacht or two and sailed around the Irish Sea for 18+ years I'm quite certain the tides are in either metres or feet usually the latter ... and without a doubt it's one of the most dodgy places in the world to sail you can be 4 or 5 miles out and have 12 foot of water under the hull in places .. a old mate of mine did a transatlantic run in a tiny 18 foot day yacht and told me the worst part of the journey was between Rhyl and the tip of Ireland . Just did to prove he could I think as he was a multi millionaire with 4 large yachts all over the world .
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| Posted: Wed Apr 3rd, 2019 14:29 |
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15th Post |
jk
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What were the mines prospecting for? Look forward to some landscapes from others. Currently I am shooting land and sea scapes with the Z7 and Fuji XT2/3.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Wed Apr 3rd, 2019 16:16 |
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16th Post |
Robert
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They were slate mines, some of the best blue Burlington slate. The current major quarry is less than two miles away, a massive undertaking, my guess this was an exploratory dig, although it's pretty extensive, considering it was all dug by hand. Probably dates from mid 19th century, when the railways came. Access wasn't good, still isn't, crossing open boggy moorland. The main quarry is open cast and close to a main road. This is one of the mines: The pile of rubble at the back is what I believe they did to make the mine safe, they blasted the rock face above the entrance to the main tunnel to prevent anybody going into the mine, which would be very dangerous, the roof is not propped, even if it were propped, the props would be rotten by now. I have been into one mine where the roof has collapsed and probably a hundred tons of very large boulders are strewn on the mine floor, a massive cavern where the roof has collapsed.  This is the slate, it's the best naturally formed strata I have seen, it's beautiful stone, like building with Leggo bricks!  And closer up, this is how they made roofing slates, this sample has split itself, with repeated frosts. 
____________________ Robert. |
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| Posted: Wed Apr 3rd, 2019 17:06 |
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17th Post |
jk
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Really looking forward to the next part of the Equatorial Mount for Night Sky Photography story. The sky photos but these tidal pictures will also be good. Down here in Cornwall we have Delabole slate which is famous as well. The mine is about 30 miles away. I must take a visit.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Wed Apr 3rd, 2019 18:18 |
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18th Post |
Robert
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The best slate is the Coniston green which last well over 100 years, the Burlington blue is less dense, absorbs water and eventually goes soft and goes to mush. The mine method is so they can extract unweathered stone which will last longer than the surface stone, mining produces a large amount of waste but probably not as much as the open cast quarry method which requires all the overburden to be removed, which is probably safer... That creates vast waste heaps which are something of an eyesore, esp. in the Lake District with all the 'Doo Gooders' with their nimby attitude.
____________________ Robert. |
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| Posted: Thu Apr 4th, 2019 15:09 |
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19th Post |
blackfox
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Welsh slates the best 
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| Posted: Thu Apr 4th, 2019 15:54 |
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20th Post |
jk
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Kernow rules. 
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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