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About Photography / Professional Stephen CaissieMale/Canada Group :iconlandscaped: Landscaped
 
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Monumental by SteveCaissie-stock Monumental :iconstevecaissie-stock:SteveCaissie-stock 4 0 The golden palace by SteveCaissie-stock The golden palace :iconstevecaissie-stock:SteveCaissie-stock 0 0 Depth of field comparison image by SteveCaissie-stock Depth of field comparison image :iconstevecaissie-stock:SteveCaissie-stock 1 1 A smattering of diamonds by SteveCaissie-stock A smattering of diamonds :iconstevecaissie-stock:SteveCaissie-stock 5 2 Tacking by SteveCaissie-stock Tacking :iconstevecaissie-stock:SteveCaissie-stock 4 0 Doe's eye view by SteveCaissie-stock Doe's eye view :iconstevecaissie-stock:SteveCaissie-stock 1 1 Pong by SteveCaissie-stock Pong :iconstevecaissie-stock:SteveCaissie-stock 0 0 Cold stones by SteveCaissie-stock Cold stones :iconstevecaissie-stock:SteveCaissie-stock 5 0 Look the other way by SteveCaissie-stock Look the other way :iconstevecaissie-stock:SteveCaissie-stock 8 0 Lost in the woods No. 2 by SteveCaissie-stock Lost in the woods No. 2 :iconstevecaissie-stock:SteveCaissie-stock 10 0 Lost in the woods No. 1 by SteveCaissie-stock Lost in the woods No. 1 :iconstevecaissie-stock:SteveCaissie-stock 4 0 Serenity by SteveCaissie-stock Serenity :iconstevecaissie-stock:SteveCaissie-stock 35 6 Imminent sun by SteveCaissie-stock Imminent sun :iconstevecaissie-stock:SteveCaissie-stock 13 9 Light through the reeds by SteveCaissie-stock Light through the reeds :iconstevecaissie-stock:SteveCaissie-stock 4 1 Forest glade by SteveCaissie-stock Forest glade :iconstevecaissie-stock:SteveCaissie-stock 4 1 Substation by SteveCaissie-stock Substation :iconstevecaissie-stock:SteveCaissie-stock 2 0

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Critiques


I know that you're just starting out with photography, so I'm keeping that in mind as I write this critique. That said, I want you to u...


I apologize in advance – this might sting a little. I'll start with what you got right. The pose is suitably casual, and having your mo...

by icmb94

Overall, a well-executed, dramatic low-key shot. Given your constraints (lack of a tripod and high ISO setting on the camera), I'd say ...

Activity


Tested out both of my new Schneider lenses this week. Discovered that the aperture blades were a bit sticky on the 80mm, so I brought it back to the shop to trade it in for the other one they had in stock, and that seems to be okay so far.

Sample images:

80mm f/2.8 in studio. Photographed with one Speedotron head bouncing off a white wall in a 2400-w/s pack. Note shutter speed of 1/500".
Random 08-17-CF112379 by SteveCaissie-stock

240mm f/4.5 outdoors. Sunlight only, shot hand-held at 1/400", f/4.5 and 400 ISO.
Random 08-17-TEST-CF112315 by SteveCaissie-stock
Random 08-17-TEST-CF112312 by SteveCaissie-stock
I just thought of another possible use for the leaf shutter lenses: reducing flash power. Think about it – if the maximum flash sync speed of the focal plane shutter on my camera is 1/125", then to shoot outdoors with a strobe in the middle of the day I have to stop the aperture way down in order to darken the ambient light adequately. Which means I also have to crank the power way up on the strobes to compensate. But if I can darken the sky by setting a faster shutter speed in addition to closing the aperture – say, 1/1000", three stops down from 1/125" – while bumping the ISO by a similar amount, I can set my lights three stops lower and still theoretically get the same result, albeit a touch grainier because of the ISO bump, but with much faster recycle times and much longer battery longevity on the strobes.
I’m going lens shopping on Monday. I will finally own not one but two Schneider-Kreuznach leaf shutter lenses, a 240mm f/4.5 and a LS replacement for my venerable Mamiya 80mm f/2.8. I can’t wait to try some ultra-shallow DOF strobe-lit mid-day outdoor portraiture.

:D
One of the trickiest concepts for beginning photographers to understand is depth of field. While it can be defined, determined mathematically, and even looked up on the fly, it's one of those things that is easier to demonstrate. Thus, the following chart.

Depth of field comparison image by SteveCaissie-stock

(Tip: you may want to click through to the image above once you've finished reading the rest of this tutorial, then click the download button to get the full effect).

In a nutshell, there are a number of factors that determine how much of a given scene your camera will render in sharp focus. Three of those factors are the length of the lens, the aperture inside the lens, and the distance at which the lens is focused. Generally, the following rules may be observed:

  1. The wider the lens, the deeper the apparent focus. The longer the lens, the shallower the apparent focus. In the image above, I've shot three scenes with three of my lenses, a 45mm (moderate wide angle), an 80mm (normal field of view), and a 150mm (moderate telephoto).*
  2. The wider the aperture, the shallower the apparent focus. The narrower the aperture, the deeper the apparent focus. I've demonstrated this by photographing each scene with four aperture settings for each lens: f/2.8, f/5.6, f/11 and f/22.
  3. The closer the plane of focus is to the camera, the shallower the apparent focus. The farther away, the deeper the focus. Each scene above, top to bottom, represents a subject focused at 5 feet from the camera, 10 feet, and 100 feet.


*A quick note about those lens lengths: the camera I used to create these images is a medium format digital camera. The "normal" lens length of 80mm has an equivalent field of view to a 50mm lens on a 35mm system, or a 35mm lens on a camera with an APS-C sensor. For reference, my moderate wide angle lens would be equivalent to about 28mm on a 35mm camera, while my 150mm lens would be roughly 95mm. In fact, format (sensor/film size) is the fourth determinant of depth of field, but since I only have the one camera, I can't demonstrate the difference between the smaller formats, the medium formats and the large formats. You'll just have to take my word for it that f/2.8 on my 80mm lens is shallower than f/2.8 on a 50mm small format lens.

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SteveCaissie-stock
Stephen Caissie
Artist | Professional | Photography
Canada
Photographer. Ghost town hunter. Cat whisperer.
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Comments


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:iconwaynebenedet:
WayneBenedet Featured By Owner Aug 1, 2017
Thank you for the :+fav: Stephen
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:iconlilmisspeppy:
LilMissPeppy Featured By Owner Feb 26, 2017  Student Digital Artist
Stephen, if you don't mind me asking, how do you find the best preferable custom WB for different conditions? Outdoor vs indoor shots?
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:iconstevecaissie-stock:
SteveCaissie-stock Featured By Owner Feb 27, 2017  Professional Photographer
I don't use custom WB presets. I take a colour checker with me for any critical shot. If it's not critical, I just leave the camera set to "flash" and adjust as I see fit when I open it in post.
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:iconlilmisspeppy:
LilMissPeppy Featured By Owner Feb 27, 2017  Student Digital Artist
I haven't heard about a color checker until now. Thanks for your insight!
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:iconstevecaissie-stock:
SteveCaissie-stock Featured By Owner Feb 27, 2017  Professional Photographer
They're not cheap, but they're meant to be an accurate reference. I have two of them, a small pocket version that's encased in plastic (which makes it pretty sturdy) and a larger one that I use for doing shots like this, where the small one would end up being so tiny that it would be hard to take a white balance reading off of it.
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(1 Reply)
:iconwaynebenedet:
WayneBenedet Featured By Owner Jan 18, 2017
Thank you very much for the :+fav:
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:iconmichael-d-beckwith:
michael-d-beckwith Featured By Owner Dec 23, 2016  Hobbyist Photographer
Hope you have a merry christmas and happy new year. :)
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:iconstevecaissie-stock:
SteveCaissie-stock Featured By Owner Dec 24, 2016  Professional Photographer
Thanks, you as well. :D
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:iconarrsistable:
arrsistable Featured By Owner Nov 8, 2016
Thank you so much for allowing the community to use your stock! 

arrsistable.deviantart.com/art…
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