View Camera Movements - Part 3 Scheimpflug Focusing
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- čas přidán 5. 08. 2024
- This video explains the Scheimpflug Theory. The primary theory behind focusing a 4x5 view camera when front and rear standard movements are used.
www.google.com/#q=scheimpflug... - Zábava
I just finished watching the four videos. It has been the clearest explanation on the subject because of the way you explained. I have read and re read articles and the subject and I am an engineer. Finally your graphic explanation made it possible for me not so much the Scheimpflug theory, but how to focus when tilting and swinging (even though you did not mentioned, it was clear for me how to do it ). Thanks for the video and please keep doing it.
totally agree with it. I just watched all you videos and have to say you are a great teacher because you explained it very clear and simple compare to other videos i watched. Thank you so much !!! priceless info
I learned this in school in the 80's, but haven't used it since the 2000's. Thanks for the refresher, you explained it quite clearly. Subbed
Thanks a lot! I appreciate the way you make things understandable and easy. It is important to know the pros and cons of these cameras, what makes them special and interesting. And the learning curve doesn't have to be steep and long when somebody - like you did here - just explains and demonstrates the rules in a simple way.
Nice narration, keep up the good work! Thank you
Another great video. Well done!
Interesting...Thanks.
Great Thank you again
So the theory basically is saying to get more of the subject plane into focus you try to get the lens plane closer in parallel to it.
nice tutorial
Nice explanation, Thanks! It fails however on the second part where you said "the scheimplug angle is gonna be twice the angle between lens and the bracket". This statement doesn't match the first one. The more you separate from the lens the bigger this angle is... The schimpflug angle is not constant, it depends on the distance to the subject. I think the first statement should be enough to determine the scheimplug angle. Thanks. Fernando
good tutorial, what kind of camera is that, kind of looks like a NuView
interesting tutorial.
i'm learning the basics of large format camera usage, but i'm unsure what films are available today in the digital age.
thanks for your comment. you can buy just about any size large format film with the most popular (and largest selection) being 4x5 and 8x10, 5x7, and other sizes are also available but not as widely and you options for color are limited at all sizes. working in 4x5 affords a wide selection in black and white at reasonable prices. every year Ilford has it's annual sale where you can place an order for as much as you want at whatever size you want. check out freestylephoto.biz, amazon.com, bhphoto.com, and adorama.com. all have loads to choose from.
Is the optical distortion also the same whether you move the front or the back element?
If by optical distortion you are referring to the effect on the plane of sharp focus and the elements of an image within the focused depth of field and less focused outside, then yes. Envision tilting the rear standard forward and then lifting the whole camera backward to bring the rear straight again, the result would be basically the same as tilting the front standard back with some rise.
@@4by5photography89 I was thinking about how the movements are sometimes used to "fix" perspective, e.g. when photographing tall buildings.
What happenes below the plane?
The focal plane is at the back of the camera, not the lens plane as you said
While I understand perfectly well the Scheimpflug rule, I still cannot figure, why instead of tilting front or rear standards (or both) you simply do not tilt the whole camera to make the camera's optical axis perpendicular to the focal plane. Wouldn't be much simpler and more intuitional?
It seems you did not understand the Scheimpflug principle perfectly😉
It's not the goal to bring the optical axis perpendicular to the focal plane
Like the videos but really recommend a lapel mic. Audio is very faint.
Watched 1 & 2 now... 3.
6:03 I dont believe this is correct. I believe the angle of sharp focus (focal plane) pivots at the point of intersection below the camera and rotates falling up or down depending on how far away you actually focus!
I was actually just out catching the sunset on a few 4x5 sheets when my phone dinged with your comment. Always nice to see a practitioner thinking about this good stuff. I haven’t listened to exactly what I said at 6:03 But from your comment I can tell that you are correct - and so was I. View cameras are focused by moving the front standard towards or away from the rear standard effectively changing the angle of intersection below the camera. That was my point.Your Point that the angle of intersection changes depending on how far away you focus Requires movement of the front standard effectively changing the angle in the same manner. so I think we both understand the principle quite well. Enjoy your 4x5 experience;)
What a long winded way to explain such a simple proses , Never ask this man for street directions .