About SD Cards - KABK Workshops
About SD Cards
From September 2017 the KABK Photography Rental will no longer provide its
digital cameras with SD (memory) cards. So you will have to bring your own card
when you want to hire a camera at our place.
What SD card should you bring or buy? Here are some important things you need to
know. It is not an easy subject but we will try to keep it as simple as possible:
First of all, it should be a regular SD Card, so no ‘Micro SD’
32GB
The size (capacity) is indicated in GB (gigabytes): the higher this
number, the more pictures or videos it can store; for regular
photography 8 GB will do, for videos you may need 32 GB or more
At this moment there are three types of SD Cards:
SD, the oldest version, will work in any device with an SD slot but the
maximum capacity is low, performance may be poor and it not suitable
for video
SDHC is its successor, with much higher capacity and speed rates,
excellent for serious photography and an occasional video; it will not
work on old or less sophisticated digital cameras
SDXC is the most modern version, for excellent performance; however it
will not function in cameras and other devices that are not optimized
for this type of card (check their manuals)
Minimum speed: this is where it gets complicated. The minimum
constant writing speed of an SD card is indicated by a number; the
higher the number, the better the performance. This number can be
enclosed in a letter C (2, 4, 6 or 10) or in a letter U (1 or 3). C10 equals
U1. A high minimum speed is particularly important when making video
clips. There are also ‘V’ numbers: V10 equals U1
30MB/s
Maximum speed: there is a distinction between writing speed and
reading speed. A high writing speed is required when you want to make
a sequence of pictures at high speed (‘burst mode’). Oddly enough, you
will not find this writing speed on the card’s label; you should check the
package or visit the website of the manufacturer.
A high reading speed is convenient when you want to transfer many big
files from your card to a laptop or computer. This speed is indicated by
a number followed by MB/s
When we use this card as an example, here is what we can learn from its label:
The maximum reading speed is 90 Megabytes per second
It is an SDXC (UHS I) card, only suitable for dedicated
cameras
Minimum writing speed is 30 MB/S (indicated by V30 and
U3) when used in cameras that support the so-called UHS I
standard; in older cameras the writing speed will be 10
MB/s (indicated by C10)
The capacity of the card is 64 GB
So what do we recommend?
Considering the type of photography and videography that is commonly practised in
our studios, we would suggest an SDHC card with speed C10 or U1, or better.
If you are strictly interested in making video with as few limitations as possible,
you better get yourself an SDXC I card.
Choose a lower or higher capacity (GB) depending on whether you will make mainly
pictures or video clips. Obviously it will also depend on your budget. A well-known
and reliable brand is SanDisk.
Note: always tag a new card with your name and format your card in the camera
before using it.
You can find more detailed technical information on the official SD site:
https://www.sdcard.org/consumers/choices/index.html
And, of course, you can always come by our office if after this explanation you are
more confused than before!
KABK Photography Workshop (PB.101)
workshop.photography@kabk.nl
Note: our older Nikon D200 cameras work with CF (Compact Flash) cards;
as these are hard to get nowadays, we will keep providing those.
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