Can a person with glasses join the defense?
FPV Glasses: The Ultimate FPV Video Glasses Guide
The FPV glasses are that Gate to the World every FPV fan. It represents the image that the FPV camera takes in the Drone Racer or FPV plane. In this guide we explain to you all important details to FPV glasses.
FPV goggles (This is the English term for FPV glasses), are already available in wide choice on the market. For beginners, the selection of the right model is therefore often an option not that easy at all.
In this guide we want to give you the most important technical data explain more about FPV glasses so that you can your purchase decision can meet more well-founded. Because not all values from the data sheet of FPV glasses can be understood Newbie right away. We will change that! :)
Dual or single screen glasses?
The first question that arises when buying FPV goggles is this desired design. FPV video goggles are made in two different designs: As single and dual screen glasses.
With a single screen there is a in the glasses big display installed, which is usually equipped with an upstream lens. The large screen creates a very immersive feeling - You immediately feel as if you are right in the middle of the action. Single-screen glasses are cheaper to manufacture. But it is also significantly larger than its dual-screen counterparts.
Come with the dual-screen variant two screens for use. Each eye gets its own screen own lens optics. This has several advantages. On the one hand, two separate screens allow additional functions, such as playing back 3D material.
In addition, image settings and the alignment of the lenses per eye can be changed set separately. This results in better options for adapting to your own face.
For people who wear glasses Dual screen glasses have the advantage of being usually special Diopter inserts can be installed per eye. This means that the eyesight is corrected directly in the FPV glasses.
View Fat Shark FPV Headsets *
Analog or digital transmission system?
The question of the Transmission type Most FPV glasses do not: Analogous is still the standard in the FPV segment. The picture quality is not as good as with a digital system, that's what they are for Latency times (Image delay) but extremely low and that is very important in FPV racing.
The first fully digital systems are available from DJI (Digital's FPV System) and Fatshark (Byte Frost). In spite of the digital stream, new processes are very important here low delay times.
The input signal (whether digital or analog) is of course always internal to the FPV glasses digitally processed and shown accordingly.
View DJI's Digital FPV System *
Support for diversity?
It is also important to decide whether the FPV glasses are already integrated Diversity receiver system should own or can accommodate a corresponding recipient.
Diversity receivers are understood in the FPV area as a receiving system that with multiple antennas works to signal quality and hence the range improve the FPV system. That's especially true in countries like Germany (and the EU) interesting, which only allow very low transmission power on the 5.8 GHz band.
Diversity setups also always help when in environments many obstacles (Houses, walls, trees) is flown. If possible, at least a pair of FPV glasses should be bought for optional diversity FPV receivers Are available. So the FPV headset can always be upgraded later.
With or without a built-in DVR?
You also need to be clear about whether you have a integrated digital video recorder need. This is able to record the received FPV signal directly in the glasses. This happens on a microSD card in a popular video format.
The videos have an analog FPV signal not high quality, but are great for analyzing your own flights. In addition, DVR recordings are often the only option left to record in tall grass or over forest crashed FPV racer to find again. Because the recordings are made directly live, they are also available without the drone ready for retrieval and can often be played back directly in the FPV glasses.
From the Middle class segment is actually an integrated DVR default.
Head tracking - follow my gaze
In the drone racing area rather less importantSo-called head trackers are often used for this in the FPV aircraft sector. There is a Gyro sensor in the FPV glasses, which detects the movements of the head.
A gimbal construction (pan-tilt unit) is then installed on the aircraft, with which the FPV cameralets move. In flight, the orientation of the camera can then be changed with the help of a head movement. The camera so to a certain extent flew the gaze of the FPV pilot.
Very few have FPV glasses already a head tracker built-in. To do this, it can be installed as an optional module on many models.
Discover FPV glasses at Amazon *
Important technical data of FPV glasses
In the following we have you the main technical propertiesn of FPV glasses summarized briefly and easily understandable.
Field of View (FOV)
The Field of View (FOV) is often given in degrees and describes how big the diagonal is the screen (s) of the FPV glasses. More precisely, the FOV says something about how big the image in the glasses appears to you through the optics of the glasses.
The bigger the FOV the more immersiver is usually the flight experience because you are surrounded by more images. Think of it like this: When you are always at the same distance in front of different televisions sits, becomes with ever larger screen diagonal of the TV more of your field of vision covered with picture. The FOV is no different.
For some users, this is also the problem: An FOV that is too large can cause you no longer every corner of the picture at the same time in view and have to move your eye. It's pretty exhausting in the long run.
The eye relief - in technical jargon Interpupillary distance (IPD) - indicates the area in which the FPV glasses are to be used Pupillary distance of the user can be set. Usually, the IPD can be used with all good glasses to adjust.
Typical IPD ranges are between 55 and 70 mm.
The image format indicates the aspect ratio of the display installed in the glasses. In order to achieve the best possible FOV, most video glasses work with displays in 4: 3 format. Nevertheless, 16: 9 material can often still be played back.
Dioptric correction is an important feature for everyone Wearers of glasseswho have poor eyesight. Especially with dual-screen glasses, there is usually no option under the FPV glasses to wear another pair of glasses. Contact lenses are an exception here.
Therefore, many FPV headset manufacturers offer so-called Diopter lens slots on, in the different strengths Corrective lenses can be used. These then compensate for the poor eyesight so that the FPV goggles can be used without glasses / contact lenses.
Better equipped models also have active ventilation of the Glasses interior. In addition, a small fan is used, which is usually equipped with a timer and only for a few minutes running.
Especially with large ones Temperature differences or on hot summer days, fog up otherwise often the lenses when wearing FPV glasses and over time you can no longer see much of the picture. Active ventilation prevents this very reliably.
The screen resolution indicates the resolution of the screens installed in the glasses. With dual-screen glasses, the resolution is one single screen meant.
- Usual resolutions for Dual screen systems are 640 X 400, 800 X 480, 1024 x 800
- At Single screen systems are often found: 1136 X 640 and 800 X 480
It should be noted that the resolution in the case of dual-screen systems is achieved by the two monitors added up.
As with a PC monitor or TV, the type of Screen panels plays a vital role when it comes to the Image contrast and the Colour reproduction goes.
Most models use simple TFT screens. Higher-priced FPV glasses, however, put on OLED displays. These of course have a considerable advantage due to the nearly perfect contrast ratio.
In addition, OLED monitors are mostly used in the FPV environment sharp into the corners of the picture and therefore clearly legible. Some FPV glasses with TFT monitors are weak here.
Discover FPV glasses at Amazon *
Video inputs and outputs
Most FPV headsets have it three options to receive an image signal:
- The FPV receiver, which is usually integrated directly in the receiver bay of the glasses. This receives the video signal from the drone and displays it directly.
- A analog video sourcethat is imported via cable. This is always the case if the glasses do not have an internal FPV receiver.
- Via HDMI. Most modern FPV glasses have an HDMI (or microHDMI) connection so that the glasses can be connected to the computer like another monitor drive. This is how you get the image of your FPV simulator on your video glasses.
The digital feed of signals mostly takes place in 720p. With high-end models, too 1080p (Full HD) possible.
Modern FPV glasses usually have it own battery system and can thus be very free and without further cables worn and used.
The operating voltage is usually between 2 and 3 S LiPo cells, i.e. between 7 and 13 volts. This is always important if the FPV glasses are to be used all day and you may need to use them once stationary battery or switch to a power supply unit.
Conveniently, some FPV goggles have a camera in them Front of the glasses built-in. So you don't have to wear glasses constantly losing weightif you have to look up something briefly. A push of a button is enough and the glasses shows in real timet what's in front of you.
Would you like to update the firmware?
An important feature - unfortunately only that brand new models own - is the possibility to update the glasses via firmware update. You should In any case pay attention if you want to buy a whole new pair of glasses.
This solves problems with new software get rid of the world or retrofit new functions.
View FPV glasses on Amazon *
Popular FPV glasses at a glance
Now that we have discussed the most important points that you should pay attention to, we would like to briefly take a look at the bmost popular FPV glasses models throw. We have put together a compact table for this.
If available, we have included a link to a dealer directly. We are very pleasedwhen you buy your new glasses through one of the links. In order to you support Drone-Zone.de directly! :)
We hope you have ours comprehensive guide on the subject of FPV glasses fallen and you are now super informedto go looking for your new FPV glasses.
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