Jukka Palm

Jukka Palm

Turku, Finland / Nature photographer, journo, nature guide, archaeologist, caver, kayaker & herparazzi.
Jukka Palm
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Aperture is a confusing topic for beginners in photography – it controls so many variables in your images, from exposure to depth of field, which can make it quite difficult to grasp initially. To make matters worse, the F-numbers of aperture are backwards from what you may expect! A small aperture is a large F-number, and a large aperture is a …

Aperture is a confusing topic for beginners in photography – it controls so many variables in your images, from exposure to depth of field, which can make it quite difficult to grasp initially. To make matters worse, the F-numbers of aperture are backward

Bath Swallet - Mika Ahvenniemi (below) and Pasi Suominen descending the Shower Pot on the through trip to Rod´s Pot.

Bath Swallet - Mika Ahvenniemi (below) and Pasi Suominen descending the Shower Pot on the through trip to Rod´s Pot.

Upper Flood Swallet - Golden chamber, crystal encrusted shelf.  :: Winster Cavers

Upper Flood Swallet - Golden chamber, crystal encrusted shelf. :: Winster Cavers

Upper Flood Swallet - Entrance :: Winster Cavers

Upper Flood Swallet - Entrance :: Winster Cavers

GB cave - Bat passage.  South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

GB cave - Bat passage. South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

GB cave - bailing the duck between ladder dig climb and Bat passage.  South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

GB cave - bailing the duck between ladder dig climb and Bat passage. South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

Goatchurch - Drainpipe    South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

Goatchurch - Drainpipe South Wales Caving Club - blog: How to have Mendip caves [almost] all to yourself?

GB Cave Caving

GB Cave Caving

GB Cave GB Cavern Mendip Waterfall This photo was taken in Dec Flickr

GB Cave GB Cavern Mendip Waterfall This photo was taken in Dec Flickr

Swildons Hole – Darkness Below

Swildons Hole – Darkness Below

Swildons Hole – Darkness Below

Swildons Hole – Darkness Below

Red-sided Gartersnake, Thamnophis sirtalis parietalis. Photo: Squamatologist.

Reptiles and Amphibians of Ontario

Red-bellied Snake, Storeria occipitomaculata. Photo: Joe Crowley.

Reptiles and Amphibians of Ontario

Queensnake, Regina septemvittata. Photo: Joe Crowley.

Reptiles and Amphibians of Ontario

Northern Watersnake, Nerodia sipedon sipedon. Photo: Joe Crowley.

Reptiles and Amphibians of Ontario