Q: Exposure with A77 / Bulb mode
Hello, I would like to ask about star trail when you are in Bulb mode won't you get over exposure when you leave your camera for about 20 minute exposure or 10 mins? Like exposure on the lighting in the house or lamps while taking star trails.
I tried the 5 min exposure here inside our home and it's a bitdark here but after 5 mins of exposure I got a very good exposure looks like that I turned on the lights but I didn't. If I do a 60 mins exposure will I get the same? I looked up on the net and can't find the answer.
Any tips would be helpful. I'm charging up my battery and test some too Thank you!
Sony A77 + Grip, Sony 16-50 2.8 SSM, Sony 50 1.4, Sigma 70-200 2.8 EX OS HSM, Sigma 105 2.8M EX OS HSM
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