Questions tagged [aperture]
Aperture is the opening in the diaphragm of a camera lens. For questions relating to Apple's photo management software, please use [apple-aperture] instead.
629
questions
4
votes
5
answers
1k
views
No1 Pocket Kodak aperture 1 to 4, f stop equivalent?
I have a lovely little No1 Pocket Kodak from about the 1920s or 30s. It is the bottom of the range model with the "Single lens". The aperture is not marked in f-numbers, but just labelled 1, ...
- 213
-1
votes
2
answers
286
views
Astrophotography-what wrong I am doing here?
I am beginner in photography.I clicked this photo in RAW, f3.5, ISO1000, S15", Manual focus without tripod.Lens: Nikon AF-P 18-55mm.
I think it is out of focus. I varied ISO from 1000-2500. Shutter ...
- 111
1
vote
1
answer
730
views
Clicking sound and flickering display when using Sony 70-200 F4
I recently purchased a Sony 70-200 F4 and have been testing it on my A7 (the very first one). I noticed that there's a clicking sound and the display (both in the LCD and EVF) flickers whenever I ...
- 143
4
votes
3
answers
180
views
Why is that the wider the aperture of a lens is, the more we can see through narrow cracks and crevices?
Example I took at 85mm f/1.4 on APS-C sensor:
- 41
8
votes
4
answers
3k
views
Why is Nikon 1.4g better when Nikon 1.8g is sharper?
I am new to photography (just 3 to 4 months of experience) and I am looking to buy a new lens (either 35mm or 50mm, but mostly 35mm because I have already decided Sigma 85mm f/1.4 DG HSM Art Lens for ...
- 577
0
votes
2
answers
175
views
What is the preferred aperture of a lens for landscape photography?
I've noticed that the wider aperture is more expensive on lenses. Two of Canon's lenses that they categorize as Landscape can be seen here. The EF 16-35mm f/2.8L III is twice the price of the EF 16-...
- 235
0
votes
1
answer
659
views
Panasonic Lumix G 42.5mm F/1.2 vs Panasonic Lumix G 42.5mm f/1.7 ASPH Power O.I.S
How much of a difference these two lenses will make in photo quality and what will be the difference? I am a newbie in photo and I am looking to invest in a nice lens for 4/3 that has max features in ...
- 143
1
vote
0
answers
232
views
How to get bokeh or macro on E-M10 Mark II with 14-42mm Black EZ Lens? [duplicate]
I got E-M10 Mark II with 14-42mm Black EZ Lens f3.5-5.6 EZ.
Is it possible to create nice bokeh and macro pics with this set up?
I tried shooting many pics (well mainly on auto), but I never got ...
- 143
3
votes
3
answers
149
views
What is the possible optimal range for shutter speed, aperture, and ISO settings in product photography setting on white background?
I have an e-commerce store where I have to take product photography on a white background and I want to actually have a "standard" set-up for this. I know there is no one right answer to this because ...
- 319
14
votes
2
answers
1k
views
How do apertures which seem too large to physically fit work? [duplicate]
A 400mm f4.0 lens is supposed to have a maximum aperture diameter of 10cm. Looking at such a lens they don't seem big enough to fit that kind of aperture including all the mechanics for control inside ...
- 243
0
votes
2
answers
677
views
What is the formula to calculate aperture ("diaphragme" in French)?
Let's say I have these data for my camera:
t : Exposure time in seconds ("temps de pose" in French)
C : Incident-light meter calibration constant ("constante lumière incidente" in French)
S : ISO ...
- 109
18
votes
5
answers
4k
views
Do f-stop and exposure time perfectly cancel?
I am photographing a scene with white and black elements in it. Starting at the f/22 stop, I widen the aperture one stop and decrease the exposure time by a factor of 2, take a picture, and keep doing ...
- 481
4
votes
1
answer
325
views
Why the difference between sunny f/16 rule and looney f/11 rule?
There's the sunny f/16 rule that says photographs on a sunny day should use f/16 with the exposure time set to reciprocal of the ISO sensitivity.
However, there's also looney f/11 rule that says ...
- 6,835
4
votes
2
answers
162
views
Does the T-number account for lens vignetting, or only for glass/coating transmission?
Surprsingly I could not find information on this. Many lenses have vignetting profiles available. Vignetting changes if you use a cropped sensor, or, in case of zoom lenses, can change with zoom.
...
- 165
0
votes
2
answers
118
views
Aperature/f stops/lenses [duplicate]
I am interested in landscape photography and a common point I hear thrown around is that a higher aperture (f11-f22) is best for landscape photos. However, every blog, YouTube video and photography ...
- 1
Hot Network Questions
- Postman signs for delivery himself. Any laws broken?
- Why is this image from pianochord.org for A11 labeled as an inversion, when its lowest pitch note is an A?
- Open or closed windows in a tornado?
- Why don't we call value investing "timing the market"?
- What concretely does it mean to "do mathematics in a topos X"?
- Were ancient Greece tridents different designs from other historical examples?
- Is "farfel" an idiolectical quirk/part of a familect?
- Is there a reason why the Maclaurin coefficients of the Riemann zeta function are asymptotically close to -1?
- A loan company wants to loan me money & wants to deposit $400 tin my account for verification
- Do we always use "worsen" with something which is already bad?
- How important is Waterdeep: Dragon Heist to the story of Waterdeep: Dungeon of the Mad Mage?
- Is it worth it to apply to jobs that have over 100 applicants or have been posted for few days?
- How does Biden staying in the presidential race hurt Democrats in Congress?
- setting position of PlotLegends affect position of PlotLabel
- Historically, when were the terrestrial planets first called terrestrial planets?
- Declension in book dedication
- Connection between Parseval's Theorem to Fourier Transform is Unitary
- Chemical Coin Flipping as Divination
- Teaching students how to check the validity of their proofs
- How would I make this splotchy texture in blender and export it as a 2D image
- Is there an equivalent of caniuse for commands on posix systems?
- Why is the MOSFET in this fan control circuit overheating?
- Does the grammar underlying 为期 generalize to 为主, 为基础, and so on?
- Accelerating semidecision of halting problem