Well ... you asked for the cheapest possible, & this with MagiMask, even though not the cheapest Box
goggle alternative, will give you equal good picture as what you see on your live view in the app with all telemetry in the same place as where you're used to have them ... the MagiMask
goggles mainly help you focus in that close distance. And that they are single lens means that no special "2 part view" mode needs to be there in the app (Litchi have it for instance). Just move your phone from the RC & put them in the MagiMask ... with the usb cable still attached to your RC.
Honestly ... I would say that these have a view on par with the DJI white
goggles that can be used with some of the "not so recent DJI drone models" ... Like Mavic Pro 1,
Mavic 2 Pro/Zoom & a couple others.
What you lose compared to the DJI white
goggles (discontinued nowadays) is that the whites have their own user interface that can be handled with the
goggles on through a touch sensitive area outside the
goggles ... so you can take photos, switch between modes & make some changes in the menus. With Occysync equipped drones (Mavic Pro 1 &
Mavic 2's) you also get rid of the usb cable as the
goggles connect directly to the drone itself independently of the RC & you can still have you phone attached to the RC, neat when you take off or coming in for a landing, just raise the
goggles & look at your phone & have a better situation awareness there close to the ground.
The DJI white
goggles:
View attachment 137457
But the
DJI goggle setup is much, much more expensive ... first the
goggles, they can be bought second hand only, for like ... 3 times the price of the MagiMask ... to that you need a specific drone (those I've mentioned) ... also works with
Mavic Air 1 but only with usb cable & with that you need to take off with the phone app to the RC, then unplug the cable from your phone & put it in the
goggles, otherwise you face a 30m height & 50m range limitation because you don't take off through the GO4 app.
Also note that these white
DJI goggles doesn't work with the newest DJI drone models ... like
Mavic Air 2 &
2s or
Mini 2. And forget about the
DJI FPV goggles (V1 & V2) ... they only work with the
DJI FPV drone & quads equipped with the DJI Air unit.
DJI FPV goggles:
View attachment 137458
... and this with "real FPV", if you go with your phone in a pair of box
goggles or with the more expensive
DJI goggles both will have the live view inside the
goggles & cut off your peripheral view making you only see what the drone sees, giving you a more immersive experience. What matters is the live view quality & latency. And regarding these 2 thing's you can look at your phone app today, with the MagiMask it will be the same.
The view into my own MovieMask (predecessor to MagiMask) with my phone running the GO4 app:
(Click on the pic. to make it larger)
View attachment 137463
Also search for
Moverio glasses ... can also be a (expensive) alternative ...
Moverio:
View attachment 137460