Posts tagged "F Stops"

ENCYCLOPEDIA OF PHOTOGRAPHY TECHNIQUES: AN A-Z DIRECTORY, WITH AN INSPIRATIONAL GALLERY OF FINISHED WORKS

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Encyclopedia Of Photography Techniques: An A-z Directory, With An Inspirational Gallery Of Finished Works

UNDERWATER PHOTOGRAPHY TIPS AS WELL AS TECHNIQUES

"The Depths of Despair" prisoner by Ji Yeon So (Click Image to See More From Ji Yeon So)

There is really only one undiluted bearing to any photo: the one that looks good to your eyes. However, your camera photometer plays a big purpose in assisting you get a starting point for your image.

The actuality is that cameras have not altered much in twenty years. Still, an unprotected picture is the one that combines the scold volume of light that hits your movie (or digital sensor) formed on your stream ISO. You can have a far-reaching accumulation of f-stops and shiver speed combinations, but only one of those combinations will emanate an unprotected image.

Using one f-stop or shiver speed over another changes possibly abyss of margin or freezes the action. So, if we contend that my print is unprotected at f/8 using 1/125th with ISO 100, it is fundamentally the same as observant that my print would be unprotected at all these combinations in one stop increments:

• f/2.8 at 1/1000th
• f/4 at 1/500th
• f/5.6 at 1/250th
• f/8 at 1/125th
• f/16 at 1/60th
• f/22 at 1/30th

This brings up the question: “What’s the disproportion in in between sharpened the print using f/22 or f/2.8?” The answer is abyss of field. The bigger the number, the more abyss of margin you are going to get in your photo, but at the same time, you are compromising speed. Although the number is incomparable and you get more abyss of field, your lens is essentially shutting and vouchsafing reduction light in. This requires a longer bearing or longer shiver speed. Using the examples above, we can see the disproportion in in between f/28 with 1/1000th of a second and at f/22 where we have only have 1/30th of second.

When should you use one environment over the other? It depends of what you are perplexing to grasp in your print and how quick your theme is moving. All of the combinations on top of will give you an unprotected photo, but, if you are sharpened a quick relocating fish and you name f/22, then most expected you are going to end up with a becloud fish. Consequently, if you are sharpened a quick relocating fish and name f/2.8, then you are going to have probably no abyss of field. This would need your concentration to be very scold because if you narrowly skip your target, it will be blurry; not because you didn’t solidify the action, but because your abyss of margin is very narrow.

Your stretch to your theme will fool around a outrageous purpose in abyss of margin as well. If you are very tighten to your theme (as you should be underwater), it will have a big outcome on abyss of margin than if you are serve away. As a order of thumb, if your lens is focusing to forever when you are targeting a subject, you really don’t need to be concerned about abyss of field. Pick the sharpest f-stop for the lens that you are using (every lens has one, review your lens reviews and specs as they are all different) and if you have enough light, then fire on that aperture.

"Turtle on Rangiroa, Tahiti" prisoner by Snooker (Click Image to See More From Snooker)

If you are tighten to the theme (eg: underwater), then you need to make compromises:

• More abyss of margin needed: go with a aloft f-stop.
• Less abyss of margin needed: go with a revoke f-stop.
• Fast relocating fish: go with a revoke f-stop (faster shiver speed).
• Slow relocating fish or still objects: go with a bigger f-stop (slower shiver speed).
• If you are using strobes (as most of us do underwater), then you have more options since you can regulate their energy to encounter your lighting needs. In this case, we are creation another compromise: the faster your shiver speed, the reduction ambient light you are vouchsafing into your photos. Remember that only one bearing is scold and still stays correct, even if you are using strobes.

For example:

Imagine I’m diving at 40 feet. we magnitude the immature H2O and it gives me f/8 at 1/125th. we would begin by sharpened at that, and then:

• If we longed for more abyss of field, we would leave the shiver speed at 1/125th and shift my f-stop to f/11 or f/16 and recompense the miss of light with my strobes by augmenting the energy until my theme is well lit.
• If we longed for reduction abyss of field, we would leave the shiver speed at 1/125th and shift my f-stop to f/5.6 or f/4 and revoke the energy of the strobes.
• If I’m happy with the abyss of margin but would like more ambient light (lighter background), then we would leave my comparison f-stop and diminution my shiver speed until we get the ambient light we wanted.
• If I’m happy with the abyss of margin but we would like a darker background, then we would enlarge my shiver speed and enlarge the limit peep sync speed of the camera (check your camera’s manual). My Nikon D300s has a peep sync speed of 1/320th.

"Fish" prisoner by Lawrence (Click Image to See More From Lawrence)

Lastly, keep in thoughts that if you are sharpened with strobes, you are going to be singular by your strobe’s sync speed. So even if we longed for to name f/2.8 and 1/1000th, we couldn’t since my peep is not quick enough to light the support for me. The being is that when we are underwater, we regularly understanding with detriment of light starting at very shoal depths, so this last point is not really a problem in 99.99% of the cases.

About the Author:
My name is Will Ferrero and we am a land photographer that not long ago passing from one to another to the underwater world. we got my first Nikon FE when we was 10 years old and we got in-love with photography every since. I’m an active PADI Master Scuba Diver Trainer and my wife, Maisa, is a PADI divemaster. We both suffer training Open Water classes in Nanaimo. Although we have been in the H2O over 1500 times we have not long ago ventured in the underwater photography world. We are anticipating to request all our land photography knowledge to the underwater world.

Underwater photography in the Pacific North West waters comes with some challenges. We not only have to understanding with the glass medium, but also have to understanding with a lot of more rigging to be means to dive this ascetic waters. Drysuits, complicated equipment, lots of weight, thick gloves are some of the additional hurdles we need to understanding in our waters. In further darker more nutrient-rich H2O emanate engaging lighting challenges. This waters are the most abounding waters in the world. Life farrago is hard to describe.

If you want to review more about underwater photography and my knowledge in this waters and how to passing from one to another from land to glass underneath our conditions, greatfully revisit http://underwaterphoto.baires.ca/

All the thoughts and views in this blog are my personal perspective so greatfully take them as is. Now… let’s go take some photos.

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DIGITAL DIGEST – PHOTOGRAPHY VIDEO SEGMENTS ON DIGITAL PHOTOGRAPHY

Digital Digest – Photography Video Segments On Digital Photography

• Digital photography
• Shutter Speed
• f-stop
• rule of third
• white balance

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Tutorial DVD; Play on any unchanging DVD player worldwide (recommended) or CD-ROM. Run time 42 mins Read more…

PHOTOGRAPHY TUTORIAL – APERTURE AS WELL AS F STOPS EXPLAINED PART 2

Photography Tutorial – Aperture and F Stops Explained Part 2

froknowsphoto.com Click this couple to see choice number one. Last week in we showed you what happens when you go from F/1.4 to F/16. You saw me laying in the weed photographing Kermit with a 50mm lens and the Nikon D3s. A few people commented that focal length and stretch will outcome Read more…