coranda wrote:
These lens cap on tests are ludicrous beyond belief. They involve light levels far beyond the meter's range of operation. The meter is designed to produce an image that is 18% grey. Does anyone seriously think that the meter reading in these tests, with or without the LCD light, are registering 18% grey.
Add to that the fact that the EV scale is non-linear and it's hard to see how a rational, informed person could get so hysterical about this. The quantity of light required to shift exposure by 1 stop at these levels becomes a tiny fraction of a stop at real exposure levels - probably less light than leaks into the viewfinder past your eye - and much much less if you happen to look through the viewfinder wearing glasses....Show more →
+1. Isn't the metering spec only down to like -0.5 EV? I'd have to imagine the lens cap test would be pretty far below this.
Fr3d wrote:
Did anyone actually try to shoot a picture in bright sunlight with and without covered
top lcd? Unless we see a difference in the shots the whole discussion is pretty much moot.
Lol, don't be stupid! Taking images with the lens cap off is sooooo 90s. If you want to be cool, put the cap on
So if you're shooting with a 10 stop ND filter in the dead of night inspecting the top of your camera with a flashlight during the exposure is a bad idea. It's a critical flaw by any measure and many will probably switch from the light (leak) side to the dark side over this.
Does the size of the lens cap in relation to the focal lenght have an effect...as with a Canon EF 70-200 f/2.8 + lens cap and the Canon EF 70-200 f/4 + lens cap...
Just wondering...I can't do the test because like I stated in the parallel post, I use transparent lens covers so there is never a need to remove them before shooting...
...as an aside, if you have your "logo" embossed on the lens cover, you have a water mark imbeded in your shot from the get go
Fr3d wrote:
Did anyone actually try to shoot a picture in bright sunlight with and without covered
top lcd? Unless we see a difference in the shots the whole discussion is pretty much moot.
That's EXACTLY what is needed, but it seems lot of people like to discuss or joke about it. Maybe they don't realize the very big investment of $3,500 means for LOT of people.
I don't have a 5D3 in my hands at this moment, otherwise I would've done it.
5D3 is $3,500, which is very expensive, not a cheap toy.
Not really. He didn't write about the most important test: Does the metering shift when you completely cover the top LCD panel under bright light with lens cap off?
Probably not. But for those who want to check exposure in dim light or at night while taking pictures, they won't be able to do it using the LCD panel. Not good for a $3,500 camera.
HD Cam Team wrote:
Not really. He didn't write about the most important test: Does the metering shift when you completely cover the top LCD panel under bright light with lens cap off?
Probably not. But for those who want to check exposure in dim light or at night while taking pictures, they won't be able to do it using the LCD panel. Not good for a $3,500 camera.
Cover the LCD panel under bright light? Who the hell needs to do that? Are you allergic to LCD panels? Good God. What more hoops do we have to jump through with this camera to satisfy you guys? He also didn't test it standing on one leg in a rainstorm while singing God Save the Queen. Clearly it was a worthless test!
HD Cam Team wrote:
I posted it in the other thread, but I think we should take it a bit more seriously. Those who have paid $3,500 for a body-only camera won't be so happy with this issue...
Sure. Did you join FM forum just to post this issue? Marvelous
willis wrote:
So if you're shooting with a 10 stop ND filter in the dead of night inspecting the top of your camera with a flashlight during the exposure is a bad idea. It's a critical flaw by any measure and many will probably switch from the light (leak) side to the dark side over this.
When I first read this I thought it was a satirical comment but, upon rereading, it strikes that it might be serious - or at least someone else could interpret it as serious. So, in case anyone is swayed by this post let me offer a couple of comments.
First, suggesting that there's a problem using a flashlight during exposure is just plain wrong. No one, as far as I am aware, has suggested the extra light (if it exists) is getting to the sensor. So, if there is a restriction it is on using a flashlight "during metering" - which is a very different situation.
Secondly, and more pertinently, if anyone is shooting at night with a 10 stop ND filter and depending upon the camera's meter to set exposure then it is not their equipment that is limiting their results. The spec for this camera says that the light meter works down to 1EV. Now, 1EV is around 10 times as much light as moonlight (under a full moon) so, if you have less light that 10 times the full moon then you should be ignoring the meter.
Finally, this leads me to suggest that there is a firmware fix for this problem. Canon should modify the firmware so that, in lighting condition below 1EV, the exposure display turns off and refuses to temp the unwary with bogus, random numbers - or perhaps displays the message, "I think it's about time you learned about manual mode".
thw2 wrote:
Sure. Did you join FM forum just to post this issue? Marvelous
Not exactly. But to give some additional information to those who were interested or concerned.
Some people make jokes, that's fine in some situations but not all the time, while others are very concerned about what they have paid for/invested in. $3,500 is a VERY big investment for lot of people and I see some don't realize about it.
All customers buying such expensive cameras (this is mainly a camera forum) deserves more info on potential issues.
As far as I know Canon is already analyzing the problem, so we should get some official info soon.
ghozer wrote:
Cover the LCD panel under bright light? Who the hell needs to do that? Are you allergic to LCD panels? Good God. What more hoops do we have to jump through with this camera to satisfy you guys? He also didn't test it standing on one leg in a rainstorm while singing God Save the Queen. Clearly it was a worthless test!
Since the potential issue is 100% related to light leak when the top LCD backlight panel is turned on in dim light OR when the camera is under bright light (have you watched other videos?) with lens cap on, the obvious next test would be to check if under same situations but with lens cap off the metering is also affected.
In one of the videos the camera is under bright light, with lens cap on, and when the user covers the top LCD panel the metering shifts. That's why I mentioned it. Very simple.
tonyhart wrote:
This is one of the most awe-inspiringly retarded threads ever to grace FM.
+1
Stupidity of a few here is beyond my comprehension.
And it goes beyond stupidity when those people claim facts...post reviews and don't even bother to test it WITHOUT THE FU###N cap off,yet claim to be a "pro".
Can we delete and lock all of these threads? It's obviously fueled by a few ignorant trolls who have nothing to do at home and just want drama
...well. I didn't feel like going through the whole laborious, pedantic process to find leaks, so I clapped the lens cap on and dumped the whole contraption in a bucket of water.
I'll write up my findings and post a report next month some time.
I hope this will finally satisfy everybody's idle curiosity and we can finally get back to....... whatever these things were made for, if I can remember by then.
