Yoshizen's Blog

Tilting Macro Bellows Test

Tilt Bellows Test(1)A09A0986

These are the photos of the test shot of the Tilting Macro Bellows

which I’ve shown in this blog two posts ago.


In photography,  Focused Plain is parallel to the Image Plain. = It’s mean if you 

want a photo of the wall painting, you have to aim a camera parallel to the wall.

(Ideally, the camera should be held at a half height of the wall and in the center,

provided the lens can cover wide enough for the whole wall.)   But when you want 

a photo of the carpet, you may not able to hold the camera right under the ceiling.

= Then you have to take a photo from one end of the room.  As the carpet stretching

end to end, to have the whole area in focus is not easy. = You have to use small

F-aperture and very slow shutter speed.—– Otherwise, use a camera which can tilt a

lens or use a lens called Tilt-shift Lens which may carry a price of £1500 or more.

Tilt Bellows(6)131-001

——- Photo above Left is a modified camera “Conica-Tilt 2” and here with

——- Nikon PC-Nikkor 35 mm F2.8  

——- and the Right, this massive lens is Canon TS-E 24 mm F3.5   

When the lens was tilted 10 degree,  it can focus the object 20 degree out of parallel, in

other words, even if the camera was held parallel to the wall (90 degree to the  floor),

if the lens  was tilted 45 degree down, it gives a sharp focus of the floor, end to end.

( But very few lens can work while tilted 45 degree =due to limit of the image circle.)

Tilt Bellows Test(2)130-001

Photo above, are the demonstration of  Tilting lens effects.  

Photo Left, the lens was dropped hence, Pan-focus effect was created.

But in the photo right, the same degree tilted lens was aimed to the same subject

“Upside down” (Lens was tilted upward) hence giving very shallow depth of focus.

Tilt Bellows(7)132-001

The relation of the Subject – Lens – Camera was like this.  

Left for Pan-focus and the Right for Shallow-Focus effect. 

Tilt Bellows Test(3)A09A0979

When the lens was tilted, focused plain is no longer parallel to the camera,

= like on this photo, as the lens was tilted left  20 degree, the focused plain

runs almost corner to corner.   So that, this kind of technique gives more 

choice of the focus control = which subject to be captured sharp.

(The photos here, Micro Nikkor 55 mm F3.5 was used on Canon 5D Mk-3

with F-aperture was set to fully open F3.5)


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