How do extension tubes affect the image circle?
99956
How to calculate the radius of the image circle?
44379
Aliased edge around light source in cycles
60038
How do depth of field and the circle of confusion relate to pixel size on the sensor?
148913
Image of concave mirror when object is farther than the focal point
44325
Calculate circle's offset given distorted ellipse, when projected onto a sphere
22191
Is it possible to prevent a Displacement modifier from affecting certain parts of a mesh?
21082
Blender 2.74 loop tools make circle disappear
96544
Why don't lens mount adapters have the same effect as extension tubes?
132160
outline object effect
98714
TikZ: Having circle borders only grown to the outside
7127
Overview of basic results about images and preimages
120199
Crop square image to circle - Programmatically
12369
Photoshop using Marque Tool > Path > Circular But Not a perfect shape?
66154
Distorted shapes/lines when rescaling - tried previous answers
60639
What is causing pinching artifacts in this mesh?
3391
Torus object stretched in array curve modifier
89742
Different distance in .jpg plot and .eps