Rear view camera: Difference between revisions

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==Description - Rear View Camera Installation==
==Description==
Installing a rear view camera is a nice feature, especially if the rear window is tinted. This section covers rear view camera installation on a W220 and various rear view cameras.
Installing a rear view camera is a nice feature, especially if the rear window is tinted. This section covers rear view camera installation on a W220 and various rear view cameras.


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[[File:W220 wiring front to rear rear.jpg|300px]]  
[[File:W220 wiring front to rear rear.jpg|300px]]  


Have not been tested, but probably the wire could be fitted into the trunk cover wiring shield.


[[File:W220_rear_camera_trunk_wire.jpg|300px]]
[[File:W220_rear_camera_trunk_wire.jpg|300px]]
[[File:W220_rear_camera_trunk_second_wire.jpg|300px]]
[[File:W220_rear_camera_trunk_second_wire.jpg|300px]]


To activate rear view camera when the reverse is engaged you can connect a wire (the blue wire in the picture) to rear light reverse cable connector.
The wires in the trunk cover wiring shield seem to be glued, therefore it seems that extra wire for camera cannot be pulled through.
 
[[File:W220_rear_camera_trunk_wire_1.jpg|300px]]
[[File:W220_rear_camera_trunk_wire_2.jpg|300px]]
 
Relatively elegant solution is to run camera wire in parallel with trunk wiring shield.
 
'''Note:''' the solution shown in the photo below is risky because if the camera wire prevents movement of trunk cover wiring,
the trunk cover wiring on the closure of trunk will bent and eventually result in broken air line.
 
[[File:W220_rear_camera_trunk_wire_3.jpg|300px]]
[[File:W220_rear_camera_trunk_wire_4.jpg|300px]]
 
To activate rear view camera when the reverse is engaged the activation cable (the blue wire in the picture) can be connected to reverse cable of [[tail lights]].


[[File:W220_rear_lights_reverse_light_cable.jpg|300px]]
[[File:W220_rear_lights_reverse_light_cable.jpg|300px]]


==Rear View Camera Options==
==Mounting Locations==
===eBay - Rear View Camera (CAMERA3)===
W220 do not have rear view camera as an OE option. It can be difficult to find a workable and convenient location for installing an aftermarket camera. Possibilities include:
* A special number plate housing with a camera built in.
* A camera mounted on a bar which is fitted on the top of the rear number plate using the existing screws.
* A camera in a purposefully designed handle which can replace the existing trunk handle.
* A camera in a purposefully designed licence plate light fitting to replace one of the existing lights.
* A universal style stand-alone camera which can be fitted on either vertical or horizontal surfaces but does require a hole to be drilled in the car body.
 
== Cameras ==
There are several rear view cameras available on eBay.
There are several rear view cameras available on eBay.
===CAMERA1 (eBay)===


Typical eBay Rear View Camera Price: 35 USD
Typical Price: 35 USD


For example, this one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.
This one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.


[[File:Rear view camera supposedly for w220.jpg|300px]]
[[File:Rear view camera supposedly for w220.jpg|200px]]


===Licence Plate Light Module - Rear View Camera (CAMERA2)===
===CAMERA2 (licence plate light module)===
In the comparison of rear view cameras below the Rear View Camera in Licence Plate Light Module is designated as CAMERA2.


CAMERA2 Price: 50 USD
Price: 50 USD


The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see [[licence plate lights]] page).
The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see [[License Plate Lights|license plate lights]] page).
{|
{|
| style="vertical-align:top;" |[[File:W220 rear view camera licence plate light module.jpg|thumb|none|Dimensions of the camera. Fits well into the original licence plate light bulb module.]]
| style="vertical-align:top;" |[[File:W220 rear view camera licence plate light module.jpg|thumb|none|Dimensions of the camera. Fits well into the original licence plate light bulb module.]]
| style="vertical-align:top;" |[[File:W220_rear_view_camera_licence_plate_light_module_dissected.jpg|thumb|none|Camera dissected. Although 4 screws on the camera plastic can be unscrewed, the camera module cannot be opened - plastic has been melted together.]]
| style="vertical-align:top;" |[[File:W220_rear_view_camera_licence_plate_light_module_dissected.jpg|thumb|none|Camera dissected. Although 4 screws on the camera plastic can be unscrewed, the camera module cannot be opened - plastic has been melted together.]]
|}
|}


{|
{|
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* Discrete mounting (hardly visible from distance).
* Discrete mounting (hardly visible from distance).
'''CAMERA2 Disadvantages''':
'''CAMERA2 Disadvantages''':
* The small LED provides less light onto the licence plate than aftermarket LED modules (see [[licence plate lights]] page).
* The small LED provides less light onto the licence plate than aftermarket LED modules (see [[License Plate Lights|license plate lights]] page).
* Has relatively small view angle (see comparison below).
* Has relatively small view angle (see comparison below).
* Since mounted 20cm away from center, makes rear view biased (see comparison below).
* Since mounted 20cm away from center, makes rear view biased (see comparison below).


===Generic - Rear View Camera - (CAMERA1)===
[[File:W220 Rear Number Plate Light Socket.JPG|thumb|none|Licence plate light cover removed exposing the socket.]]
In the comparison of rear view cameras below the Generic Rear View Camera is designated as CAMERA1.


CAMERA1 - Price: 15 USD
Front and back views of licence plate light cover. The part number is A2208200066.
 
[[File:2208200066 Number Plate Light Front View.JPG|200px]]
[[File:2208200066 Number Plate Light Rear View.JPG|200px]]
 
[[File:2208200066 Number Plate Light Dimensions.JPG|thumb|none|Dimensions of licence plate light module.]]
 
===CAMERA3 (generic)===
 
Price: 15 USD
 
This is generic rear view camera that has to be mounted to ceiling.
[[Trunk]] lid handle is a good place where to mount it.
 
A good place to mount generic camera is on the trunk lid handle.
However, for [[facelift ]]vehicles with [[Trunk#Retractable_Trunk_Lid_Grip|retractable trunk grip (RTG) handle]], finding a place where to mount the camera can be challenging.


{|
{|
| style="vertical-align:top;" |[[File:W220 rear view camera generic.jpg|thumb|none|Camera available in two colors.]]
| style="vertical-align:top;" |[[File:W220 rear view camera generic.jpg|thumb|none|Camera available in two colors.]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_dissected.jpg|thumb|none|Camera dissected.]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_dissected.jpg|thumb|none|Camera dissected.]]
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera drilled hole.jpg|thumb|none|Trunk lock with drilled hole for camera.]]
|}
|}
{|
{|
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera.jpg|thumb|none|Trunk lock with camera fitted.]]
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera drilled hole.jpg|thumb|none|Trunk handle with drilled hole for camera (pre-facelift).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_trunk_latch.jpg|thumb|none|Camera mounted.]]
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera.jpg|thumb|none|Trunk handle with camera fitted (pre-facelift).]]
|}
{|
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_trunk_latch.jpg|thumb|none|Camera mounted (pre-facelift).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_installed.jpg|thumb|none|Camera mounted (view from distance).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_installed.jpg|thumb|none|Camera mounted (view from distance).]]
|}
|}


'''CAMERA1 - Advantages''':
{|
* Can be mounted very close to the center of car.
|[[File:W220_rearview_camera_facelift_drilled_1.jpg|thumb|none|Trunk handle with drilled hole for camera (facelift).]]
|[[File:W220_rearview_camera_facelift_drilled_2.jpg|thumb|none|Trunk handle with drilled hole (facelift).]]
|}
{|
|[[File:W220_rearview_camera_facelift_mounted_1.jpg|thumb|none|Camera mounted (facelift).]]
|[[File:W220_rearview_camera_facelift_mounted_2.jpg|thumb|none|Camera mounted (view from distance).]]
|}
 
'''CAMERA3 - Advantages''':
* Can be mounted very close to the center of car (in case of pre-facelift trunk lid handle).
* Has large view angle (see comparison below).
* Has large view angle (see comparison below).
'''CAMERA1 - Disadvantages''':
'''CAMERA3 - Disadvantages''':
* Not very discrete (visible from distance).
* Not very discrete (visible from distance).


===Other - Rear View Cameras===
===CAMERA4===
CAMERA4
[[File:W220 Rear View Camera Other Type.JPG|thumb|none|Other rear view camera mounted (CAMERA4).]]
[[File:W220_rear_view_camera_other_1.jpg|none|thumb|Other rear view camera mounted (CAMERA4).]]
 
===CAMERA5 (license plate light lens) ===
 
Price: 25 USD
 
{|
|[[File:W220_rear_view_camera_5.jpg|thumb|none|Licence plate light lens camera.]]
|[[File:W220_rear_view_camera_5_dimenions.jpg|thumb|none|Dimensions.]]
|}
 
Feedback from eBay:
"Received this camera today after a three week wait and it is not a direct replacement of the license plate light lens.
The brackets that hold the lamp are too long and the lens itself does not bubble out and accommodate the lens like the original does.
There's no way to adjust the camera left or right.  The camera is made of two pieces and both pieces were put together by some sort of RTV that does not cover all the electronic pieces.
Mine came apart. Great concept, but the execution was poor."
 
===CAMERA6===
 
[[File:W220_rear_view_camera_bumper.jpg|thumb|none|Rear view camera mounted in bumper molding.]]
 
===CAMERA7 (Erisin)===
Company Erisin supply after market Media Units with Rear View Cameras as an optional extra.  The ES580 Rear View Camera is an 18mm diameter colour CCD which may be mounted on one of the W220 licence plate lamp covers.
 
[[File:Erisin Rear View Camera Dimensions.jpg|500px|none|Dimensions of Erisin ES580 Rear View Camera.]]
 
As the W220 Licence Plate Lens Cover surface is curved a small 5mm spacer may be inserted between the camera base and the lamp cover.  The existing mounting screw may be replaced with a longer screw to suit.  A short screw is used to fasten the camera base plate to the centre of the lamp cover.  The screw and internal nut just clear the 5W festoon style bulb.
[[File:W220 and Erisin Rear View Camera Schematic.JPG|500px|none|Schematic of Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.]]
 
Front and back views of licence plate light cover. The part number is A2208200066.
 
[[File:2208200066 Number Plate Light Front View.JPG|200px]]
[[File:2208200066 Number Plate Light Rear View.JPG|200px]]
 
[[File:2208200066 Number Plate Light Dimensions.JPG|thumb|none|Dimensions of licence plate light module.]]
 
A small 3mm diameter groove was filed in the side of the Licence Plate Holder to take the camera coaxial cable.
 
[[File:W220 and Erisin Rear View Camera.JPG|500px|none|Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.]]


[[File:W220 Rear View Camera Other Type.JPG|500px|center]]
Surprisingly the camera base plate does not obscure very much light.


==Comparison==
==Comparison==
Here we provide a comparison of two rear view cameras. The generic rear view camera (CAMERA1) and the rear view camera in the licence plate light module (CAMERA2).
Here we provide a comparison of two rear view cameras.
The rear view camera in the licence plate light module (CAMERA2) and  
the generic rear view camera (CAMERA3).


[[File:W220_generic_rear_view_camera_and_licence_plate_light_module_camera.jpg|none|thumb|Vehicle with the two cameras mounted.]]
[[File:W220_generic_rear_view_camera_and_licence_plate_light_module_camera.jpg|none|thumb|Vehicle with the two cameras mounted.]]
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{| class="wikitable"
{| class="wikitable"
! Actual
! Actual
! CAMERA1
! CAMERA2
! CAMERA2
! CAMERA3
|-
|-
|[[File:rear_view_camera_exp1.jpg|300px]]
|[[File:rear_view_camera_exp1.jpg|300px]]
|[[File:rear_view_camera2_exp1.jpg|300px]]
|[[File:rear_view_camera1_exp1.jpg|300px]]
|[[File:rear_view_camera1_exp1.jpg|300px]]
|[[File:rear_view_camera2_exp1.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp2.jpg|300px]]
|[[File:rear_view_camera_exp2.jpg|300px]]
|[[File:rear_view_camera2_exp2.jpg|300px]]
|[[File:rear_view_camera1_exp2.jpg|300px]]
|[[File:rear_view_camera1_exp2.jpg|300px]]
|[[File:rear_view_camera2_exp2.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp3.jpg|300px]]
|[[File:rear_view_camera_exp3.jpg|300px]]
|[[File:rear_view_camera2_exp3.jpg|300px]]
|[[File:rear_view_camera1_exp3.jpg|300px]]
|[[File:rear_view_camera1_exp3.jpg|300px]]
|[[File:rear_view_camera2_exp3.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp4.jpg|300px]]
|[[File:rear_view_camera_exp4.jpg|300px]]
|[[File:rear_view_camera2_exp4.jpg|300px]]
|[[File:rear_view_camera1_exp4.jpg|300px]]
|[[File:rear_view_camera1_exp4.jpg|300px]]
|[[File:rear_view_camera2_exp4.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp8.jpg|300px]]
|[[File:rear_view_camera_exp8.jpg|300px]]
|[[File:rear_view_camera2_exp8.jpg|300px]]
|[[File:rear_view_camera1_exp8.jpg|300px]]
|[[File:rear_view_camera1_exp8.jpg|300px]]
|[[File:rear_view_camera2_exp8.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp7.jpg|300px]]
|[[File:rear_view_camera_exp7.jpg|300px]]
|[[File:rear_view_camera2_exp7.jpg|300px]]
|[[File:rear_view_camera1_exp7.jpg|300px]]
|[[File:rear_view_camera1_exp7.jpg|300px]]
|[[File:rear_view_camera2_exp7.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp9.jpg|300px]]
|[[File:rear_view_camera_exp9.jpg|300px]]
|[[File:rear_view_camera2_exp9.jpg|300px]]
|[[File:rear_view_camera1_exp9.jpg|300px]]
|[[File:rear_view_camera1_exp9.jpg|300px]]
|[[File:rear_view_camera2_exp9.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp5.jpg|300px]]
|[[File:rear_view_camera_exp5.jpg|300px]]
|[[File:rear_view_camera2_exp5.jpg|300px]]
|[[File:rear_view_camera1_exp5.jpg|300px]]
|[[File:rear_view_camera1_exp5.jpg|300px]]
|[[File:rear_view_camera2_exp5.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp6.jpg|300px]]
|[[File:rear_view_camera_exp6.jpg|300px]]
|[[File:rear_view_camera2_exp6.jpg|300px]]
|[[File:rear_view_camera1_exp6.jpg|300px]]
|[[File:rear_view_camera1_exp6.jpg|300px]]
|[[File:rear_view_camera2_exp6.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp10.jpg|300px]]
|[[File:rear_view_camera_exp10.jpg|300px]]
|[[File:rear_view_camera2_exp10.jpg|300px]]
|[[File:rear_view_camera1_exp10.jpg|300px]]
|[[File:rear_view_camera1_exp10.jpg|300px]]
|[[File:rear_view_camera2_exp10.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp11.jpg|300px]]
|[[File:rear_view_camera_exp11.jpg|300px]]
|[[File:rear_view_camera2_exp11.jpg|300px]]
|[[File:rear_view_camera1_exp11.jpg|300px]]
|[[File:rear_view_camera1_exp11.jpg|300px]]
|[[File:rear_view_camera2_exp11.jpg|300px]]
|-
|-
|[[File:rear_view_camera_exp12.jpg|300px]]
|[[File:rear_view_camera_exp12.jpg|300px]]
|[[File:rear_view_camera2_exp12.jpg|300px]]
|[[File:rear_view_camera1_exp12.jpg|300px]]
|[[File:rear_view_camera1_exp12.jpg|300px]]
|[[File:rear_view_camera2_exp12.jpg|300px]]
|}
|}

Latest revision as of 07:08, 14 July 2018

Description

Installing a rear view camera is a nice feature, especially if the rear window is tinted. This section covers rear view camera installation on a W220 and various rear view cameras.

To see the picture on COMAND screen a multimedia interface must be installed. Alternatively, a cheap (~15 USD) LCD monitor can be used to see the picture.

Wiring

The simplest path from the front panel to the rear under seat is to follow the thick, red positive wire. Then the wire can follow wires that go from rear SAM to trunk cover.


The wires in the trunk cover wiring shield seem to be glued, therefore it seems that extra wire for camera cannot be pulled through.

Relatively elegant solution is to run camera wire in parallel with trunk wiring shield.

Note: the solution shown in the photo below is risky because if the camera wire prevents movement of trunk cover wiring, the trunk cover wiring on the closure of trunk will bent and eventually result in broken air line.

To activate rear view camera when the reverse is engaged the activation cable (the blue wire in the picture) can be connected to reverse cable of tail lights.

Mounting Locations

W220 do not have rear view camera as an OE option. It can be difficult to find a workable and convenient location for installing an aftermarket camera. Possibilities include:

  • A special number plate housing with a camera built in.
  • A camera mounted on a bar which is fitted on the top of the rear number plate using the existing screws.
  • A camera in a purposefully designed handle which can replace the existing trunk handle.
  • A camera in a purposefully designed licence plate light fitting to replace one of the existing lights.
  • A universal style stand-alone camera which can be fitted on either vertical or horizontal surfaces but does require a hole to be drilled in the car body.

Cameras

There are several rear view cameras available on eBay.

CAMERA1 (eBay)

Typical Price: 35 USD

This one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.

CAMERA2 (licence plate light module)

Price: 50 USD

The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see license plate lights page).

Dimensions of the camera. Fits well into the original licence plate light bulb module.
Camera dissected. Although 4 screws on the camera plastic can be unscrewed, the camera module cannot be opened - plastic has been melted together.
Camera screwed in the original licence plate light module housing.
Original licence plate light module with two holes drilled (alternative to breaking the connector off).
Load resistor and camera connector soldered to licence plate light module bulb contacts.
Ready for use. One connector must be plugged in the licence plate light connector, other to composite video plug that comes with the camera.
Camera mounted in the trunk cover.

CAMERA2 Advantages:

  • Discrete mounting (hardly visible from distance).

CAMERA2 Disadvantages:

  • The small LED provides less light onto the licence plate than aftermarket LED modules (see license plate lights page).
  • Has relatively small view angle (see comparison below).
  • Since mounted 20cm away from center, makes rear view biased (see comparison below).
Licence plate light cover removed exposing the socket.

Front and back views of licence plate light cover. The part number is A2208200066.

Dimensions of licence plate light module.

CAMERA3 (generic)

Price: 15 USD

This is generic rear view camera that has to be mounted to ceiling. Trunk lid handle is a good place where to mount it.

A good place to mount generic camera is on the trunk lid handle. However, for facelift vehicles with retractable trunk grip (RTG) handle, finding a place where to mount the camera can be challenging.

Camera available in two colors.
Camera dissected.
Trunk handle with drilled hole for camera (pre-facelift).
Trunk handle with camera fitted (pre-facelift).
Camera mounted (pre-facelift).
Camera mounted (view from distance).
Trunk handle with drilled hole for camera (facelift).
Trunk handle with drilled hole (facelift).
Camera mounted (facelift).
Camera mounted (view from distance).

CAMERA3 - Advantages:

  • Can be mounted very close to the center of car (in case of pre-facelift trunk lid handle).
  • Has large view angle (see comparison below).

CAMERA3 - Disadvantages:

  • Not very discrete (visible from distance).

CAMERA4

Other rear view camera mounted (CAMERA4).

CAMERA5 (license plate light lens)

Price: 25 USD

Licence plate light lens camera.
Dimensions.

Feedback from eBay: "Received this camera today after a three week wait and it is not a direct replacement of the license plate light lens. The brackets that hold the lamp are too long and the lens itself does not bubble out and accommodate the lens like the original does. There's no way to adjust the camera left or right. The camera is made of two pieces and both pieces were put together by some sort of RTV that does not cover all the electronic pieces. Mine came apart. Great concept, but the execution was poor."

CAMERA6

Rear view camera mounted in bumper molding.

CAMERA7 (Erisin)

Company Erisin supply after market Media Units with Rear View Cameras as an optional extra. The ES580 Rear View Camera is an 18mm diameter colour CCD which may be mounted on one of the W220 licence plate lamp covers.

Dimensions of Erisin ES580 Rear View Camera.
Dimensions of Erisin ES580 Rear View Camera.

As the W220 Licence Plate Lens Cover surface is curved a small 5mm spacer may be inserted between the camera base and the lamp cover. The existing mounting screw may be replaced with a longer screw to suit. A short screw is used to fasten the camera base plate to the centre of the lamp cover. The screw and internal nut just clear the 5W festoon style bulb.

Schematic of Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.
Schematic of Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.

Front and back views of licence plate light cover. The part number is A2208200066.

Dimensions of licence plate light module.

A small 3mm diameter groove was filed in the side of the Licence Plate Holder to take the camera coaxial cable.

Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.
Erisin ES580 Rear View Camera mounted on a W220 Licence Plate Lamp Lens Cover.

Surprisingly the camera base plate does not obscure very much light.

Comparison

Here we provide a comparison of two rear view cameras. The rear view camera in the licence plate light module (CAMERA2) and the generic rear view camera (CAMERA3).

Vehicle with the two cameras mounted.
Actual CAMERA2 CAMERA3
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