28 votes
Accepted

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

The 12MP designation is usually used to refer to still photography while the 1080p designation refers to video. The sensor has 12 megapixels - sometimes a little more which gets masked out. This ...
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  • 101k
19 votes

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

1080p refers to video: 1920×1080 progressive scan. The phone is capable of 12 Mpixel still images but only 1080p video. (This is fairly typical; it takes a lot more processing power to take video at a ...
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  • 490
8 votes
Accepted

Lumix G7: Raw photos only in 1920x1440, no higher res available

Don't worry — the RAW files are the full resolution. They contain all of the data recorded by the camera. The option to change resolution is grayed out because there's no in-camera way to reduce it, ...
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  • 140k
7 votes
Accepted

Is the Micro Four Thirds standard specification public?

No. Micro Four Thirds is not an open standard. The specification is available to member companies, which are listed here. It's not a tiny list, but it's not large, either. Your best bet is found on ...
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  • 140k
6 votes
Accepted

Can the specs for a digital camera indicate to me the color quality before buying?

First, it's unclear to me what you consider to be "good colors". The quality of color reproduction is a complex chain of dependencies, such as white balance, filters, iso value (color noise), lens, ...
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  • 847
5 votes
Accepted

Can I deduce the max. shutter speed from other camera specs?

No, there's no way to deduce the max shutter speed. It's typically listed in the same specs where you'd find the kind of information you've listed, in fact.
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5 votes

LIDAR burnout; ways to check for damaging infrared lasers before shooting besides looking for posted warnings?

Besides looking for a sign that says "Caution, no photography, infrared lasers in use" are there any ways to check for the presence of infrared lasers before shooting? There are certainly ways to ...
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5 votes
Accepted

Camera calls some ISO settings extended, but the technical specifications do not

Because "tech specs" are sales and marketing documents meant to fulfill checkbox requirements or look good in comparisons. Calling out some of the ISO range as limited or specialized does not advance ...
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  • 140k
3 votes

How can a camera be both 12MP and 1080p, when 1920x1080 is just 2,073,600?

The difference is that the video image is processed from still frames. The data transfer rate for full sensor resolution (i.e. 12 Mp) would be too high for normal use and there's no standard for such ...
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3 votes

LIDAR burnout; ways to check for damaging infrared lasers before shooting besides looking for posted warnings?

The most practical way might be to buy up old, low spec digital point and shoots and camera phones - the kind you can get for a few dollars apiece from thrift stores etc - in bulk, and use them up as ...
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3 votes

Is there a datasheet for the Canon 24-105mm diaphragm unit?

NB: this answer was written when the question was asking about the shutter, rather than the diaphragm. It may be deleted soon. There is no shutter in the 24-105; almost every camera system smaller ...
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  • 19.9k
2 votes

Who publishes standardized camera specs?

No one publishes standardized camera specs online based strictly on ISO standards. The basic problem is that many of these standards were originally written to be applied to categories specific to ...
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  • 168k
2 votes

Is there a datasheet for the Canon 24-105mm diaphragm unit?

The best answer I could find to this by googling was a "Pick and Place" blog article where the author describes what he's discovered about the EF-S mount connections: https://pickandplace.wordpress....
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2 votes
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Cameras that can connect to screen

HDMI would be the best option if need to project the screen live on TV. WiFi enabled cameras are convenient to use with tablets and phones. HDMI may not be the best option to connect to a Laptop ...
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2 votes

Can the specs for a digital camera indicate to me the color quality before buying?

Most digital camera review sites measure color-accuracy. This is measurable in comparison between the sRGB or AdobeRGB color-space and the JPEG output from a particular camera. Where you be careful is ...
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  • 101k
1 vote

"Megapixels" of C/CS mount lenses

The spec is probably an approximation of the optical characteristics of the lens. In particular: If the lens has a limited aperture (all do), diffraction will limit how many megapixels of true ...
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  • 6,087
1 vote

Lumix G7: Raw photos only in 1920x1440, no higher res available

What you see is likely not the RAW image, but the JPEG thumbnail/preview that is included in the RAW, which is what you usual picture viewer is going to find and display. To see the RAW at full size, ...
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  • 16.7k
1 vote

What determines a cameras max FPS for still images?

For mirrorless cameras like the Canon M5 and M50, it is the processing power and speed of the camera’s digital processor. The M50 has the newest Digic 8 processor while the M5 uses Digic 7. For a ...
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  • 11.4k
1 vote
Accepted

Are there industry standards or specs for image sensor resistance to damage from intense light?

The closest to a standard I've been able to find comes from looking at front-of-lens filters for solar photography - that is, filters for use with telescopes (or telephoto lenses) specifically for ...
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  • 2,903
1 vote

How to choose a camera for taking passport photos?

Tim, for a passport size photo, use any camera that gives your 5MP. That will give you a good quality PP photo. But then make sure you follow the other guidlines as stated in the website for other PP ...
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  • 178
1 vote

Can the specs for a digital camera indicate to me the color quality before buying?

The colour accuracy depends largely on the interpretation of the raw sensor data in software. When shooting JPEG, you're obviously at the mercy of the camera firmware, but if you shoot RAW, you can ...
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  • 6,790

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