Stargazer95050

Stargazer95050

Posted on 06/10/2017


Photo taken on June 10, 2017



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14" Laptop versus Power-Tablet upgrade

14" Laptop versus Power-Tablet upgrade
This overview has similar features
-) can be powered & recharged from a 12V DC battery / car outlet
-) can be powered & recharged from a AC-source (US & EU)
-) both cameras have tripod quick-release socket and an additional spare battery
-) includes a separate 4G-WIFI hotspot (data-only SIM-card) plus cell-phone which I use for GPS-navigation (no SIM-card or contract). The hotspot has inputs for optional, external antennas (not shown here) --> in remote areas it has better reception than phones.
-) older dSLR may require an additional CF-adapter while newer cameras & tablets & laptops have SD/Micro-SD support build-in

The "old/big" setup shown below uses a laptop + dSLR and the need for bigger AC-power-supplies increases the volume & weight of the package (in addition to larger laptop & camera itself).
The 10.8" tablet includes the optional COVER & KEYBOARD & built-in stand. You can (and should) add a reflection-reducing screen.

This tablet runs W10 & all legacy programs -- slightly slower CPU & less RAM. Fewer USB is a problem, if I wanted to use this for astronomy (I won't). For astronomy, I will stick with the laptop for it is bigger & heavier & more USB-ports. A small tablets will fall off a table when pulled on a USB cord -- the heavier laptop usually will remain in place and let the USB cable slip or even withstand such accidents.


With equipment shown above, it is possible to recharge the laptop or the dSLR battery from the car-outlet while driving. You cannot recharge both at the same time (only one AC-outlet and also this fan-less adapter doesn't provide sufficient power for both.

IN CONTRAST : the seemingly tiny 12V-to-USB adapter provides ~40W and powers 3A for the USB-C (tablet) plus 2 x 2.4A for the other outlets including the charger for the camera batteries. And there is an AC-adapter with matching specs. No longer there's a need for a 12V-to-AC converter and the added AC-cables.
That will come in handy when I fly to watch the Total Solar Eclipse aug 21st

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DSC_6240 & DSC_6249

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