Why expose ETTR and how to do it?
Re: Why expose ETTR and how to do it?
incoherent1 wrote:
Erik Kaffehr wrote:
Dirk Dittert wrote:
Erik,
thanks for sharing!
I wonder if it would be possible to design an image sensor that can stop the exposure when a certain number of photosite reaches 100% capture capacity. Basically that would be a sensor with protection against clipping.
I don't really think so. Stopping exposure is almost the same as clipping. What really happens is that the photodiode does not really saturate, but the voltage exceeds the maximum of the ADC.
Yabut. Before actual exposure, during metering, the camera could determine which of the multiple metering spots was brightest ("has voltage exceeding maximum of ADC"), and adjust exposure (by whatever exposure mode the photograher has chosen) to point of full clipping (maximum voltage) (or some level below, adjustable by exposure compensation we are used to). What am I missing?
Not much, but no manufacturer as far as I know, has bothered to implement this. There is Magic Lantern, if you have the right Canon.
Nikon Z7
Fujifilm GFX 100
Sony a7R IV
Sony a9 II
+1 more
Post
(hide subjects)
|
Posted by
|
When
|
|
|
|
4 months ago
|
3 |
|
|
4 months ago
|
|
|
|
4 months ago
|
1 |
|
|
4 months ago
|
|
|
|
4 months ago
|
1 |
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
|
|
|
4 months ago
|
2 |
Keyboard shortcuts:
FForum
PPrevious
NNext
WNext unread
UUpvote
SSubscribe
RReply
QQuote
BBookmark
MMy threads
Color scheme?
Blue /
Yellow
|
|
|
|
Feb 9, 2021
|
Feb 1, 2021
|
Jan 29, 2021
|
Jan 29, 2021
|
Nikon's new NX Studio software suite combines the company's previous ViewNX-i and CaptureNX-D applications into a single one-stop solution for editing Raw files from your Nikon digital camera. Find out more about its updates and enhancements in our review.
We're working hard to finish our full review of the new Sony a1, and we've just added our studio image quality analysis. Click through to see how the a1's newly-developed sensor performs.
DJI has officially entered the world of FPV (first-person-view) drones. Combined with long flight time, DJI safety features and OcuSync 3.0, DJI's FPV drone puts you in the driver's seat of a high performance aircraft.
The Panasonic Lumix S 70-300mm F4.5-5.6 Macro O.I.S. is a moderately sized, moderately far-reaching and optically-stabilized telephoto zoom lens for full-frame or APS-C L-mount cameras. Read our review to find out how it performs.
When Olympus released the E-M1X sports camera in late 2019, the company also released a modern editing app called Olympus Workspace. Is it fully featured and fast enough to replace an Adobe-based editing workflow? Let's find out.
Although a lot of people only upload images to Instagram from their smartphones, the app is much more than just a mobile photography platform. In this guide we've chosen a selection of cameras that make it easy to shoot compelling lifestyle images, ideal for sharing on social media.
If you're looking for a high-quality camera, you don't need to spend a ton of cash, nor do you need to buy the latest and greatest new product on the market. In our latest buying guide we've selected some cameras that might be a bit older but still offer a lot of bang for the buck.
Whether you make a living out of taking professional portraits, or are the weekend warrior who knows their way around flashes and reflectors, you'll want a camera with high resolution, exceptional autofocus and a good selection of portrait prime lenses. Click through to see our picks.
What's the best camera for shooting landscapes? High resolution, weather-sealed bodies and wide dynamic range are all important. In this buying guide we've rounded-up several great cameras for shooting landscapes, and recommended the best.
What’s the best camera costing over $2500? The best high-end camera costing more than $2000 should have plenty of resolution, exceptional build quality, good 4K video capture and top-notch autofocus for advanced and professional users. In this buying guide we’ve rounded up all the current interchangeable lens cameras costing over $2500 and recommended the best.