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Old Sep 6, 2006, 1:15 PM   #1
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just a quick question....what is the longest exposure time for the k110d in bulb mode?
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Old Sep 6, 2006, 1:21 PM   #2
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Long as u want....thats the whole point of bulb mode but i may be wrong :roll:
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Old Sep 6, 2006, 1:25 PM   #3
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It should be as long as you want, yes, but that's not always the case. the minolta dimage 7hi only does 30 seconds in bulb mode, and the nikon d50 does 30 minutes.

reason I'm asking is because I'm considering buying the k110d but I'd like to know if it's capable of doing long (i.e. 30 minutes) exposures.
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Old Sep 6, 2006, 1:30 PM   #4
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it is a true bulb setting, i have a cable release to avoid camera shake. of course for long settings you need another power supply than the batteries.
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Old Sep 8, 2006, 5:40 PM   #5
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You can adjust your shutter speed all the way down to 30 secs. However if you use Bulb setting then the shutter will remain open for as long as the shutter release is pressed.

A cord remote with a lock switch will achieve what ever time you want, taking into account a few things.

1. Battery power, unlike a 35mm camera, when using bulb mode the sensor is being powered and will use up a full battery charge in about 15 mins. You can build an external battery pack and plug it in the side connector to counter this.

2. Noise filtering selection, when filtring is "on" the camera will take a second image with the shutter closed to map any hot pixels and other related noise (dark current) on the sensor, it will then compare it to the image and remove that noise and hot pixels.

Great! But the down side is the second comparison image is the same time exposure as the first actual picture image taken. 30 sec exposure will require a 30 sec filtering image, total time 1 minute from shutter exposed to image saved. Not a problem until you do a 30 min exposure, you have to wait 30mins afterwards for it to filter and save.....thats 1 hour....sort of puts you back to point 1. battery power.
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Old Sep 12, 2006, 7:20 AM   #6
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Are you trying astrophotography? You could use the 30 second exposure setting and then stack the images together.
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