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DPChallenge Forums >> Tips, Tricks, and Q&A >> Can you switch lenses during a long exposure?
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Showing posts 26 - 33 of 33, (reverse)
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07/10/2007 03:08:59 PM · #26
Originally posted by jdannels:

Originally posted by RainMotorsports:


Id like to see the Aperture for that LMAO. Even at F/22 id be shooting 1/180-1/320.

I'll have to give it a shot, I hadn't worked out the specifics, but if you through on a Circular polarizer and ND filters in front, I think you could get there in no time :)


True didnt think of Neutral Density Filters since I own none, but i do have a Polarizer!
07/10/2007 03:15:22 PM · #27
I have used ND filters to get an appropriate slow time for multiple exposures. It can work. I just know that moon gets awful bright and 1 second to 30 seconds is only 5 stops. Still, it can be done.
07/10/2007 04:53:01 PM · #28
Originally posted by strangeghost:

Originally posted by fotomann_forever:

I'd be worried about the electronics of the camera and/or lens, removing it with the camera/lens actually in action.

Good point. I've never done it, but I wouldn't be surprised if cameras are built to automatically shut off when a lens is removed.


Nah, not on my D200, anyway. I've taken the lens off without any issue and then clicked a lensless photo. All white. :) But it let me see the sensor, which was the reason I did it. I was just curious to see it.

But I haven't actually had the shutter open first and then removed the lens.

I'll just try it tonight when I get home out of curiosity.

Joe, your trade offer is more intriguing than you might think, because I'll probably eventually get a 10-20 or 12-24 or something, but I think I'll pass for now. :)
07/10/2007 04:56:28 PM · #29
Originally posted by levyj413:


Joe, your trade offer is more intriguing than you might think, because I'll probably eventually get a 10-20 or 12-24 or something, but I think I'll pass for now. :)

Let me know, I'll see if I can do something to sweeten up your side :)
07/10/2007 07:45:05 PM · #30
Ok, I tested it. Yes, I can take the lens off during a long exposure and the shutter stays open the right amount.
07/10/2007 07:54:06 PM · #31
Be aware that taking the lens off with the camera turned on may cause your sensor to collect dust bunnies. A charged sensor attracts dust like a magnet.
07/10/2007 08:03:16 PM · #32
Use the computer out links on two cameras at the same time, and set one on the building, the other on the moon, and blend the exposures on screen by using the aperture settings on the cameras?
Anyone tried anything like this, or know if it can be done. I wouldn't think that a computer would put both images into the same frame, but I'm not that computer literate. This is just a brain ramble, so maybe you would want to ignore it.

07/10/2007 11:12:16 PM · #33
Originally posted by MelonMusketeer:

Use the computer out links on two cameras at the same time, and set one on the building, the other on the moon, and blend the exposures on screen by using the aperture settings on the cameras?
Anyone tried anything like this, or know if it can be done. I wouldn't think that a computer would put both images into the same frame, but I'm not that computer literate. This is just a brain ramble, so maybe you would want to ignore it.


I don't think that's going to count as a single image for DPC entries, but you're definitely thinking outside the box! :)

Once I'm beyond DPC rules, I'll just use Photoshop.
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