All Questions
166
questions
1
vote
2
answers
1k
views
Why is my Tamron 24-70 F2.8 G2 clicking when used in Live View mode?
My Tamron 24-70 F2.8 G2, used with Nikon D750, is making clicking sounds when I change the aperture in live view mode on M or A setting. Is the clicking normal?
- 11
1
vote
1
answer
1k
views
How can I fix a Canon lens with sand in the aperture diaphragm?
I have a 17-85mm Canon lens which I was using at the beach the other day. A sudden hard blow of wind caused sand to be thrown on me and my camera. Afterwards, the camera would give the Error 01 code ...
- 11
5
votes
3
answers
2k
views
Can I force the aperture to stay open on macro lens?
I have a sigma 180mm f/2.8 lens, which I bought because it was the largest aperture I could find that focuses around 0.5m See this question for why this was important.. Upon arrival, however, the lens ...
- 215
7
votes
2
answers
356
views
Why is the aperture of this old lens showing as centered blue glare?
I just bought a old Minolta MD Zoom 35-135mm 1:3.5-4.5 lens together with two old Minolta SLRs to get into film photography.
Before using actual film I adapted it to my Canon 600D (using a no-name MD-...
- 249
2
votes
1
answer
89
views
Depth of field and aperture size [duplicate]
Why does a smaller aperture size have a high depth of field? What is the physics behind this?
- 21
1
vote
1
answer
451
views
Is a lense with an aperture larger than f/8 useful with an EOS 80 D?
I have a EOS 80D and supposedly it has a max aperture of f/8. Does this mean that my camera can't take advantage of lenses with larger aperture? E.G. This one for example:
Canon EF-S 24mm Camera ...
- 113
0
votes
4
answers
330
views
How to take photo of water splash without photo getting dark? [duplicate]
I just got my beginner DSLR (Nikon D3300) and tried to take a photo of a water splash.
I read about aperture, ISO and shutter speed and I know if I set high shutter speed I need to set low aperture ...
- 1
0
votes
4
answers
383
views
Which aperture value determines depth of field on variable aperture lenses?
Do variable aperture values represent the way in which depth of field is rendered by a lens or only to the transmission of light (i.e the brightness)?
For example, if i wish to calculate depth of ...
- 626
1
vote
2
answers
595
views
Does the sensor size matters in the size and weight of an equivalent lens? Why?
In other words, does the size of projected image circle matters in the size and weight of two lenses with the same aperture/DOF (different f-number) and field of view (different mm)? All other things ...
- 129
1
vote
1
answer
299
views
Why am I getting ERR 1 on my 80D when I shoot with a small aperture?
Whenever I try to take a picture with a small aperture, say f/13, the camera won't shoot and displays "Err 1: Faulty Lens Communication, Clean Lens contacts" and upon doing so, it won't change a thing....
- 109
1
vote
1
answer
199
views
Why is Auto on aperture rings near the smallest aperture?
This is something that has puzzled me for a while and it always seems counter-intuitive. When a lens has an aperture ring with an auto position (A), it is always (at least on 3 systems that I have ...
- 103k
3
votes
6
answers
4k
views
Why do we need a DOF preview button?
Why not just show the effective depth of field, by default?
What's the point of having it display a picture that's different to how the image will actually turn out?
My first thought was, it must be ...
- 615
0
votes
1
answer
1k
views
Nikon 50mm f/1.8 even on manual gives fEE error with D3300? [duplicate]
The camera functions fine from f/1.8 all the way to f/22 when I lock the aperture ring at f/22. Whenever I try to use the aperture ring, however, it gives an fEE error and that is even on manual mode ...
- 101
0
votes
1
answer
351
views
Why is my Mamiya-Sekor E f/1.7 lens stuck at f/16 both on and off the camera?
I recently bought a Mamiya ZE Quartz with a Mamiya-Sekor E f/1.7 50mm lens that I recently found at an antique store. It's either been abused or been used a lot, but it's seen better days.
For some ...
4
votes
3
answers
175
views
What type of lens should I buy if I want strong out-of-focus blur?
I'm looking for a lens to focus on one thing, and the background is really blurred out. I also want really good quality. I was looking a 50mm prime.
- 49
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