dr.noise

I see this ignorant answer got 6 likes so I will have to explain more thoroughly. Note the word "painting" in "light painting". When you do painting, the entire purpose of the brush is to direct...

yes because the entire purpose of your eye is the same.

I don't want everything corrected. I use a lens as it is. If it has distortion or vignetting, fine. It's not bad. It's a lens. It has some character. It transforms light.

if it's the end result what counts, then why most competitions prohibit photoshopped images? Or, maybe the photography is not necessary, we can just photoshop everything from scratch, also using AI?

@SunsetMagnet you will not get the same result because image scale would be different. However, perspective-related optical distortions would be the same.

If we speak about photography, i.e. painting with light, the truth is: physical rays of light, gone through a physical glass, and landed on a physical place on a sensor. That's it. You can change...

Oh! Sounds like I need it too! Will check with local Sigma service.

The swirl is by design. It's the same as any other Tomioka 55/1.4 lens. You can see balsam separation effect on the bokeh circles here: https://www.dpreview.com/forums/post/66867250?image=4 Inside ...

I tested M42 Chinon 55/1.4 (multicoated one) with fp. These Chinons often have balsam separation (seems like a common issue with this model) so it partially affects bokeh lights, otherwise images ...

As suggested by Victor and Ceistinne, several quick rotations while depressing the wheel did the job. Seems to be working ok now. Thanks much!

I rarely use my Sigma fp so it's basically like new and nothing could have worn mechanically up to now. But the dial on the back of the camera suddenly started to behave erratically. Instead of ...

obstacle avoidance is typically not needed in most use cases

Thank you very much. I don't have access to any Nikon camera, someone just wants to buy my lens as a gift for someone else so the relay link is rather long and I don't want to spoil someone's ...

Hi All, I have an old manual Vivitar lens with TX Mount, and TX-Nikon adapter, and I would like to know if the adapter is compatible with Nikon F65? I am informed that the metering will not work, ...

thanks, I must have mistaken it with DC

@TomCodyPleasedToMeetYa
that's funny but I'd still buy that (if it doesn't cost like Boeing's wing)

DN is specifically for cropped sensors, no?

sorry, I don't quite understand: what does it mean "packs the gimbal back up"?

No Sigma, no vote

My favourite way to organize photos is to delete them.