All Questions
4 questions
23
votes
5
answers
4k
views
Why do two lenses with the same F-number give different amount of light?
Why do the following two lenses provide different amount of light?
In both images we have fixed focusing distance, distance to the object, ISO, shutter speed and F-number.
1
vote
1
answer
116
views
Can't duplicate Auto results in M, Tv, and Av Canon 70D
I've been a an amateur photographer for several years. I understand the technical side and enjoy explaining it to others.
But...with my 70d, which I've owned for over a year, when I take an indoor ...
1
vote
1
answer
244
views
Photography concepts using SX20
I've bought a Powershot sx20 half a year ago and I'm quite happy with it although I know it doesn't compare to a DSLR.
I've learning photography on my own: bought a 58mm ring and some filters (cpl, ...
- 393
0
votes
3
answers
178
views
Canon Film SLR 28-80 mm lens with sunfilter; what should be my aperture settings and distance
With the Canon Film SLR 28-80 mm lens with sunfilter (I think it has zero impact on focal length) what should be my aperture settings, if I have to take pictures of people in crowd and restaurant to ...
- 1
Hot Network Questions
- Birth of "crystals" - Grothendieck's quote: “I’m reading Manin’s ... I think one should introduce the notion of slope, and Newton polygon”
- Listing ongoing grant application on CV
- PSE Advent Calendar 2024 (Day 17): The Sun Will Come Out Tomorrow
- "Immutable backups": an important protection against ransomware or yet another marketing product?
- How to Mitigate Risks Before Delivering a Project with Limited Testing?
- Horror Film about a streamer convention set at a hotel where a tragedy had taken place
- Why doesn't a metal disk expand in all directions when heated?
- What abbreviation for knots do pilots in non-English-speaking countries use?
- 310 Volt Brushless DC Motor Advantages
- Can I switch my Apple Watch from GPS only to cellular?
- Understanding the phrase halacha l'Moshe mi'Sinai
- Are there actual correct representations of curved spacetime?
- polymorphic message container
- Will a body deform if there is very huge force acting on it in a specific direction?
- What's an Unethical Drug to Limit Anger in a Dystopic Setting
- Is it normal for cabinet nominees to meet with senators before hearings?
- How can I secure a magnetic door catch with a stripped screw?
- Why do some installers insist on not doing a full frame window replacement?
- Curious patterns when ordering odd integers by their "closeness" to being a perfect number
- Center text in a cell
- What are the maximum bonuses of each type possible?
- Why is the novel called David Copperfield?
- World split into pocket dimensions; protagonist escapes from windowless room, later lives in abandoned city and raids a supermarket
- Clone Kubuntu to different computer, different hardware