ISO Invariance

So this is new to me and I am not sure I fully understand all the physics behind it. All my previous cameras have not been ISO invariant, that is to say to minimise noise you needed to make sure the image was not underexposed by using an appropriately high ISO. Using a lower ISO and underexposing an image and then pushing the shadows in post would create a noiser image than using a higher ISO and “proper” exposure. Pretty standard stuff and well understood.

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Chuffin Cold !

“It’s a warm wind, the west wind, full of birds’ cries” – The West Wind by John Masefield

Well that’s as maybe but I can tell you an east wind in February on top of Standedge is chuffin cold ! – best suited for winter photography said my new book, true, but it didn’t mention the need for crampons !

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£6,499 too far

An important aspect of my photographic interest is wildlife, an interest that requires long lenses and good field craft. The field craft I am ok with but my relationship with long lenses is a long story.

Stepping back a few years my go to wildlife kit was the Canon EOS 7d mk ii and the venerable Canon 500mm f4 big white. On the Canon APS C crop body this gave me an effective focal length of 800mm a good focal length for birding and coupled with the Canon 100-400mm zoom on a Canon 5d mk iii a good all around wildlife kit, all be it with one major problem, well actually 2 major problems, size and weight (those 4 items alone weighing in at 6.43kg).

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Year-end Walk

So 2020 comes to an end and many will be wishing good ridance to it. Travel restictions have meant that photographic opportunities have been few and far betwen this year and frankly the weather hasn’t helped either. Who knows what 2021 will bring but one thing is for sure, climate change is having a dramatic impact on the weather, it seams that dry crisp winters are a thing of the past to be replaced with seemingly endless drab grey days and rain. A final year-end walk and a final couple of photographs.

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A Quiet Summer

The Pandemic drags on and opportunities to get out and about to photograph the wildlife have been few and far between. A brief foray to Suffolk & Norfolk yielded little with many of the popular sites overwhelmed with holiday makers that should have been abroad staycationing instead – so just a couple of images – hopefully autumn and winter will bring a little more activity and perhaps a little more enthusiasm on my part.

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Polonnaruwa

1 March 2020

A break from the wildlife today as we decided to visit the archaeological relic city of Polonnaruwa.

Polonnaruwa was the 2nd ancient kingdom of Sri Lanka, it was established in the 10th Century when the Chola Dynasty (Tamils) from southern India invaded Anuradhapura the then capital.

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