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Low Light Photography

30th March 2019

It’s Dark Down There

Mammoth Cave National Park, located in central Kentucky is the world’s largest system of caves extending more than 400 miles. On a recent trip with a few of our grandkids, we stopped there for a few hours to explore some of the caves.

here are the grandkids adorning the park sign
at this entrance way we had to descend about 30 steps

We arrived at the park too late to reserve a spot on one of the various guided tours. Instead we opted to take the self-guided tour.

The beginning of the cave entrance is lighted by daylight with handrails and a cement walkway. Continue walking and the outdoor light slowly disappears.
Electrical lights provide the only illumination inside, but they are relatively dim. We were surprised by the width of the cave at this point – about 30 feet side to side.

As you can see, we’re walking alongside the cave walls. The pathway is mostly hard dirt but there are cement pavers in some parts of this cave.
At this point, the cave widens considerably and the ceiling varies between 30 and 50 feet high. You’ll also notice that this area is well lighted.

One of the park rangers points out this small bat hanging from one of the cave walls. He tells us that there were hundreds of the bats at one time but they are no longer found in large numbers.

This part of Mammoth ends after about one-quarter of a mile. As we turn around and walk back towards the entrance way you can visualize the darkness of these caves.


This short clip shows the large size of the so-called “ampitheater” within the self-guided tour cave.


The steps from the cave. The self-guided tour is an easy way to explore Mammoth when you’re time limited.
Here is the wife and grandkids relaxing after their cave diving experience.

For those interested, these photos were taken with a Sony A7 III camera using a 24-240mm lens. In most cases, the ISO setting was 16000 or 32000 and taken handheld with a shutter speed of 1/15 or 1/30 and aperture as wide as f/3.5. I think the photos are of pretty decent quality considering the cave environment.

 

 

 

 

 

 

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