Questions tagged [power]

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Why is my Canon camera not turning on?

If I turn on my Canon camera a red light blinks but my camera is not turning on. There is no clicking sound and if I press any buttons nothing happens. What is wrong with the camera? The battery is ...
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2 votes
2 answers
98 views

Single power-source option for still camera rig

I want to build a camera rig for still shots with a monitor and 1 or 2 flashes. Such rig would force me to have 3 different types of batteries and I don't like this complexity. I wonder if there are ...
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7 votes
2 answers
1k views

Will my Canon battery charger work on 220 V power?

I bought this battery charger in the US (110 V 60 Hz) for my Canon T5 Rebel. I'm now living in Sweden (220 V 50 Hz). Will my charger work on the Swedish power grid without breaking? The issue is, ...
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  • 237
0 votes
1 answer
123 views

Sony ZV-1: USB Power Supply setting does nothing?

I recently purchased a ZV-1 and have been coming up to speed with all its settings. One thing I haven't managed to figure out, is what the "USB Power Supply" ON/OFF toggle does. This should ...
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  • 103
1 vote
2 answers
83 views

What to use as continuous power supplier with Sony a7II?

I try to figure out how to provide my camera with enough power during video shootings and I have purchased a dummy battery with USB-C power adapter to connect it to power bank, but when I connected it ...
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2 votes
3 answers
172 views

Why would a photographer use a single head 1200 W∙s flash?

I comprehend Godox produces a 1200 W∙s single-head flash (AD1200). But I don't have any idea why a photographer would use it. I have a 1000 W∙s Dynalite pack, but it also takes one, two, three, or ...
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  • 195
4 votes
2 answers
4k views

What power supply do I need to run the Nikon Z6 II continuously on USB?

I have a Z6 II that is supposed to be able to run off USB power that I got for making videos. I've tried using it with a 120v AC to USB adapter plug (the kind you plug a phone USB cable into a wall ...
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  • 143
1 vote
2 answers
165 views

Canon 80D DC Coupler to automatically turn DSLR back on after power outage

I am setting up a very long term time lapse and a big concern is that if the power goes out I need my DSLR to automatically turn back on. This is because I will have limited access to the camera when ...
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-1 votes
3 answers
70 views

power out though USB port [closed]

Does anyone know how much power out we can get from the USB port in a DSLR camera. Is it possible to get an output like 3.7v 1500mAh battery can supply from a DSLR?
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  • 107
5 votes
1 answer
892 views

Why won't Canon EOS 400D turn on?

I have the Canon EOS 400D - also known as EOS Digital Rebel XTi, or Kiss Digital X in Japan - and as of tonight, it stopped working. It won't do anything, with or without batteries or a CF card, ...
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  • 51
1 vote
0 answers
69 views

Connecting Sunpak 2-pin flash plug to JJC BP external battery pack

Would you have any suggestions about hooking up the JJC BP (the one with interchangeable power cable for Nikon, Canon, Sony) to a Sunpak DR12X or 36DX flash with 2-pin plug? Would you know the ...
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3 votes
3 answers
2k views

Why is flash power given in watt-seconds (Ws) and not joules (J)?

Flash manufactures often (always) specify the power in watt-seconds (Ws), and not in the SI unit joules (J). See and example for the Godox studie flash QT series. Since the unit conversion says that ...
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  • 319
5 votes
6 answers
825 views

Can I maintain the same flash pulse duration but increase light with multiple flash units?

I own a Yongnuo YN-560 III speedlite, and I found out that it lets me freeze motion (for example, a water splash) at 1/16 of its power. However, the amount of light at 1/16 is not enough to properly ...
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1 vote
1 answer
1k views

How can I use my Olympus OMD E-M10 with a continuous power source?

I'm looking to shoot a time lapse with my Olympus OMD E-M10 and I was wondering it it is possible to use an external power source. Standard battery life isn't too good on this camera; it only takes ...
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  • 113
2 votes
2 answers
1k views

Can I do anything about a Nikon d750 taking 5 minutes to power on after taking saltwater damage?

I have had a Nikon d750 for a year or so, and 6 months ago it took on a bit of saltwater damage. It still works, but twice in the past it wouldn't power on, once for two weeks and once for two days. ...
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  • 21
2 votes
4 answers
114 views

Can I dim lights by making amount of power smaller?

Can I dim lights by making amount of power smaller? I'm using Falcon Eyes LH-ESB6060K lighting kit. I thought, It should be possible, but is it safe? And is there any other way to dim it?
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  • 23
1 vote
1 answer
401 views

My Canon 50D is always on. What can I do to minimise battery loss?

The on/off switch on my Canon 50D is broken - as long as the battery is charged, the camera is on. I have set the automatic shutdown to 1 minute and try to avoid accidentally turning on Live View or ...
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  • 113
15 votes
1 answer
3k views

Why are battery consumption numbers for flagship Nikon and Canon cameras so different?

I have been looking to acquire new gear and I came across a curious fact regarding the two flagship cameras. The Nikon D5 has a battery capacity of 27Wh (2500mAh, 10.8V), and a CIPA battery life of ...
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2 votes
2 answers
11k views

Why is my Canon 600D not turning on?

My Canon 600D was working fine till the last two months when issues started rising. When I switch it on, I don't see the red blinking light and it's not turning on. The last time, I removed the ...
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0 votes
1 answer
172 views

Why camera does not have a USB port to connect to PowerBank for power? [duplicate]

I notice that almost all camera use either a proprietary Li-ion battery or AA size battery for power. May I know what is the reason for not having a camera that have USB port that can be connect to a ...
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1 vote
2 answers
396 views

In a multiple strobe setup, how powerful must each strobe be?

I am about to buy my first strobe set. I want to do portrait photography, both in a home studio and outdoors. No weddings, no events, no more than one model at a time. I see that a complete set ...
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  • 25
0 votes
1 answer
149 views

Is always leaving power on bad for CMOS?

I am pretty new to DSLR, and there is one thing I am curious about. I watched some videos and heard from my friends that it is ok to turn the power button on even you do not use the DSLR (camera will ...
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  • 351
1 vote
1 answer
409 views

Is it normal for the left pin on the Nikon SB-910’s 3-pin external power source terminal to be deeply recessed?

I’m examining the external power source terminal of my newly purchased Nikon SB-910 speedlight. (The terminal is for connecting an external battery pack. It is located on the front side of the ...
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  • 379
0 votes
1 answer
467 views

External power for compact camera?

I would like to experiment with time lapses using compact cameras (like Coolpix S6300), as I don't want to put an extreme number of clicks on my DSLR for the moment. Are there any solutions for ...
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  • 2,843
0 votes
2 answers
282 views

Canon T5i (lp-e8) high capacity battery grip/battery bank?

I have two Canon lp-e8 batteries that I use for my T5i but they run out of battery pretty quickly (only 1,120 mAh each) and then I'm left with nothing. I have a 15,000 mAh battery bank that I use ...
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2 votes
1 answer
593 views

Camera suggestion needed for long term remote timelapse

I'm working on setting up a remote timelapse waterproof system for a long term project. The idea is to have it on solar power. I'm currently playing with the CHDK firmware on a Canon PowerShot Elph ...
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  • 141
0 votes
3 answers
428 views

Battery for Nikon CoolPix L26

I have a Nikon CoolPix L26 digital camera and am using the rechargable battery that came along with it. It is a 1.2V / 2100 mAH battery (Infinite brand) Even when I fully recharge the battery and use ...
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7 votes
10 answers
9k views

Why is my Canon 5DMIII draining batteries overnight?

I have a 5DMIII with battery grip (by Canon) and Canon batteries. Since a few days ago, I noticed that, all of the sudden, if I leave the camera unused for, say, one day and turned off, when I turn ...
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  • 1,779
3 votes
1 answer
363 views

What is the efficiency of Bulb mode vs taking multiple shorter exposures?

When looking at taking photos such as star trails where it requires a significant exposure time, is it more power efficient to use Bulb mode or taking multiple shorter exposures? Would keeping the ...
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  • 345
10 votes
3 answers
18k views

Canon DSLR USB Chargers?

I'm wondering if there are any USB chargers available for canon DSLRs. I often head out for extended periods of time without electricity with my camera gear which always makes me nervous about when ...
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  • 2,516
7 votes
7 answers
22k views

Err 80 appears when I turn on my Canon EOS 5D Mark II

Recently when on holiday in Italy my 5DII stopped powering up. Turn the switch on and - nada. Pulling the battery and popping it back in brings the camera to life, however as soon as the camera goes ...
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  • 468
6 votes
4 answers
439 views

Are there any ways to combat "sluggish battery syndrome"?

For anyone who has done any extensive photography in very cold weather (weather below freezing), I'm sure they have encountered "sluggish battery syndrome". This is where the camera battery, when it ...
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  • 69.1k
42 votes
10 answers
36k views

What are the dangers of removing a lens while the camera is on?

The manual warns that you should turn the camera off to remove the lens, but it doesn't say why. I suspect this may have to do with dust, but I could imagine there are lots of other reasons. I'm ...
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