Sir Apfelot Blog

20. March 2019
The App Performance Class is irrelevant for use in photo or video cameras. However, if you want to use the microSD card in your smartphone to expand the internal memory, you should definitely buy an A2 card (Photo: Sir Apfelot).

What do the abbreviations A1 and A2 mean on SD cards?

If you look at the abbreviations that you find on an SD card or MicroSD card, you will notice that some models also contain the designations "A1" or "A2". What about [...]
27th of June 2016
4K television as PC monitor: no problem with the HDMI 2.0 input. The Sony KD-43X8305C (pictured) is a potential candidate (Photo: Amazon).

A recommendation: 4K televisions that are suitable as PC monitors - with HDMI 2.0 and 4k UHD @ 60 HZ or more (updated)

My nephew told me yesterday that he would like to buy a 4K TV for less than 300 EUR soon, which he would then like to use as a PC monitor for a different purpose. The price seemed suspiciously cheap to me, [...]
9. December 2013
Icon ask Sir Apfelot

Resolution of 4K TV: how many pixels does the 4K TV picture have?

Question: How many pixels do the 4K televisions have? Answer: The term 4k is particularly common in consumer electronics for televisions and monitors. The term 4k2k, which describes a digital HD video signal, is more specific. The [...]