Ribcage: Vintage Glass
Back-Bone
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Ribcage: Vintage Glass

“C-Mount was originally developed for film cameras back in the 1920’s”

One of the great things about our Ribcage mod for GoPro Hero3/3+ and Hero4 is the fact that we use C-Mount as our lens mount (as well as M12 and CS-Mount). C-Mount was originally developed for film cameras back in the 1920’s so it’s almost 100 years old! It’s been used in film, television, Bolex, security, scientific machine vision cameras and more and there is a tremendous wealth of unused vintage lenses out there for the taking! One of the benefits of C-Mount is that you can connect just about anything!

For this video we used some 8mm D-Mount lenses from the 1950’s.

We used a simple step up ring to C-Mount and connected them to our camera (available in our shop). The results are quite excellent even at 4K. They have a unique look not seen in modern lenses, especially in the bokeh. Currently the Ribcage is the best option to use all of these lenses!

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RIBCAGE: BACKYARD MACRO
Back-Bone
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RIBCAGE: BACKYARD MACRO

There’s a whole world of life around you everywhere if you just stop to look a little closer. All of these creatures were filmed in a suburban backyard flower garden in Ottawa, Canada.

This video was shot entirely with a GoPro Hero4 Black modified with our Ribcage Mod Kit. A Computar 2/3″ 3.3X Macro Zoom lens was used.

Settings:

  • Protune mode 2.7K/60 Wide
  • White Balance ‘Native’
  • Color ‘Flat’
  • Sharpness ‘Medium’

Color was graded in post using Adobe Speedgrade CC 2014. Frame rate slowed to 30fps in Premiere.

Captures were performed over two days at dusk as the insects were less likely to move away. An LED ring light was used for added illumination. As well a 2-axis macro focusing rail was used to make fine adjustments which made framing the shots much easier.

IMG_20150620_203546 (1)  IMG_20150620_202710 (1)

The 2/3″ 3.3X Macro Zoom lens is available in our shop:

http://www.back-bone.ca/product-category/lenses/



 

	

	

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				HERO3 & HERO4: A CLOSER LOOK
			
			

				
					
				
			

		

		

			

				
					
						
					
				
				
					
					Jon Clouter
				
			

			

				
					
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					Ribcage, Teardowns				
			

		

	

	

		
HERO3 & HERO4: A CLOSER LOOK
The following image gallery highlights some of the main changes in the new Hero4 cameras. Check back for updates!


 


 



	

	

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				HERO4 SILVER TEARDOWN
			
			

				
					
				
			

		

		

			

				
					
						
					
				
				
					
					Jon Clouter
				
			

			

				
					
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					Teardowns				
			

		

	

	

		
HERO4 SILVER TEARDOWN
Hero4Silver


 


 


Now that we’re deep into our new round of development on the latest Ribcage Mod, we thought we’d share our experience so far starting with the Hero4 Silver. We’ve pulled it apart so you can see what’s new. It appears to be very similar to the Hero3+ Black with the same sensor and almost identical shooting features. It does of course have some great new additions, in particular the built in screen that’s brighter and clearer than the Hero3 BacPac. If you’re wondering: Yes you can attach the Hero3 LCD BacPac on top of the built in screen and it does work. It even gives the older screen the swiping menu actions that the new one has. Now lets see what’s inside!


What follows should not be considered instructions. New modification instructions will be available once the new Ribcage Mod Kit for Hero4 is released.


As before the faceplate is held on with a series of tabs and some adhesive tape.
As before the faceplate is held on with a series of tabs and some adhesive tape.


IMG_2184
This time around we find it a little easier to start pulling it up from the bottom rather than the top left. The faceplate comes off easily when you work your way around.


button
In this version of the camera the power/mode button is on its own. In the Hero3 cameras it was attached to the faceplate. It’s much easier to remove now.


housing_screws
Next we remove the screws that hold the assembly into the camera body. The lower left hand screw is shorter than before.


housingpop
As with the Hero3 there’s a small groove above the HDMI and USB ports that allows you to pop the housing up slightly with a small screw driver.


 


outofhousing
Once you’ve got the ports free from the housing you can wiggle the assembly free by gripping the lens. The assembly should hinge open as pictured.


open
There are a series of ribbons that attach to the new screen which must be disconnected later.


 


 


 


 


 


 


 


 


 


 


 


sensorscrews
Next we disconnect the image sensor by removing the four screws on the back.


sensorpop
A gentle tug releases the image sensor connector from the main board.


 


board-screw
We remove the screw holding the main board to the aluminum frame.


lcd_socket
Next we need to release the front LCD/button ribbon from the board by pulling off the black tape, pulling up on the black locking tab and gently tugging the ribbon free.


board-remove
Now that it’s detached we can angle the main board out from around the lens assembly.


 


 


 


 


 


 


 


 


tape2
Now we can fold the board back over into the housing again to access the ribbon connections on the back. They are covered in some light tape, which must be removed.


 


seperate_ribbons
Now we flip up the three locking tabs to free the ribbons and pull up on the white connector to free it from the board.


 


lensscrew
The main board is now free from the housing. We can now take the aluminum frame and remove the lens.


LCD_ribbon
Lastly we’ll remove the LCD button strip. Like in the previous model it’s held down with some sticky adhesive so it must be peeled off slowly and carefully. The entire LCD is stuck down in this version. In our initial tests we didn’t want to force the screen off, so we propped up the aluminum frame off the surface of the desk and placed some soft foam underneath. We added a small weight to the exposed rear of the screen and the constant small pressure from the weight cased the screen to drop off after about half an hour. We are currently working on a much faster method for this step.


 


 


 


 


 


 


 


parts
So there you have it. As before it’s really not that hard if you take your time. In our next post we’ll highlight some of the physical differences between the Hero3 Black and the Hero4 Silver.

	

	

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