What are the threaded holes in Manfrotto camera brackets?












1















The following is the underside of a ball headed Manfrotto camera mounting bracket:-



bracket



In addition to the expected threaded screw in the middle, there are two threaded holes either side. I don't recall getting any hardware for these when I bought it. What are they for?










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    1















    The following is the underside of a ball headed Manfrotto camera mounting bracket:-



    bracket



    In addition to the expected threaded screw in the middle, there are two threaded holes either side. I don't recall getting any hardware for these when I bought it. What are they for?










    share|improve this question

























      1












      1








      1








      The following is the underside of a ball headed Manfrotto camera mounting bracket:-



      bracket



      In addition to the expected threaded screw in the middle, there are two threaded holes either side. I don't recall getting any hardware for these when I bought it. What are they for?










      share|improve this question














      The following is the underside of a ball headed Manfrotto camera mounting bracket:-



      bracket



      In addition to the expected threaded screw in the middle, there are two threaded holes either side. I don't recall getting any hardware for these when I bought it. What are they for?







      tripod-heads ball-head






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 6 hours ago









      Paul UszakPaul Uszak

      606510




      606510






















          2 Answers
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          The tripod mount receivers on many video cameras have an additional slot next to the 1/4-20 threaded hole. This hole is for an alignment pin that orients the camera in the right direction and also assists in preventing the camera from twisting on the plate.



          enter image description here



          The holes in your Manfrotto 200PL quick release plate are for an alignment pin that fits into the additional (non-threaded) hole in the base on video cameras. The two holes in the QR plate are to allow the user to choose front or rear orientation of the plate when used with a video camera that has the hole for an alignment pin. Your Manfrotto 200PL plate should have been supplied with such a pin (they're typically black plastic, but were originally metal a LONG time ago) as well as a 3/8-16 to 1/4-20 adapter bushing for the main screw.



          enter image description here



          At least a few Nikon "still" cameras also seem to have a hole for the alignment pin. The Nikon D850, for example:



          enter image description here






          share|improve this answer

































            1














            Those holes are for a vhs pin — apparently a thing used to keep big heavy tape-recorder cameras in alignment. I don't think there's any use for still cameras.






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              2 Answers
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              2 Answers
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              active

              oldest

              votes









              active

              oldest

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              active

              oldest

              votes









              2














              The tripod mount receivers on many video cameras have an additional slot next to the 1/4-20 threaded hole. This hole is for an alignment pin that orients the camera in the right direction and also assists in preventing the camera from twisting on the plate.



              enter image description here



              The holes in your Manfrotto 200PL quick release plate are for an alignment pin that fits into the additional (non-threaded) hole in the base on video cameras. The two holes in the QR plate are to allow the user to choose front or rear orientation of the plate when used with a video camera that has the hole for an alignment pin. Your Manfrotto 200PL plate should have been supplied with such a pin (they're typically black plastic, but were originally metal a LONG time ago) as well as a 3/8-16 to 1/4-20 adapter bushing for the main screw.



              enter image description here



              At least a few Nikon "still" cameras also seem to have a hole for the alignment pin. The Nikon D850, for example:



              enter image description here






              share|improve this answer






























                2














                The tripod mount receivers on many video cameras have an additional slot next to the 1/4-20 threaded hole. This hole is for an alignment pin that orients the camera in the right direction and also assists in preventing the camera from twisting on the plate.



                enter image description here



                The holes in your Manfrotto 200PL quick release plate are for an alignment pin that fits into the additional (non-threaded) hole in the base on video cameras. The two holes in the QR plate are to allow the user to choose front or rear orientation of the plate when used with a video camera that has the hole for an alignment pin. Your Manfrotto 200PL plate should have been supplied with such a pin (they're typically black plastic, but were originally metal a LONG time ago) as well as a 3/8-16 to 1/4-20 adapter bushing for the main screw.



                enter image description here



                At least a few Nikon "still" cameras also seem to have a hole for the alignment pin. The Nikon D850, for example:



                enter image description here






                share|improve this answer




























                  2












                  2








                  2







                  The tripod mount receivers on many video cameras have an additional slot next to the 1/4-20 threaded hole. This hole is for an alignment pin that orients the camera in the right direction and also assists in preventing the camera from twisting on the plate.



                  enter image description here



                  The holes in your Manfrotto 200PL quick release plate are for an alignment pin that fits into the additional (non-threaded) hole in the base on video cameras. The two holes in the QR plate are to allow the user to choose front or rear orientation of the plate when used with a video camera that has the hole for an alignment pin. Your Manfrotto 200PL plate should have been supplied with such a pin (they're typically black plastic, but were originally metal a LONG time ago) as well as a 3/8-16 to 1/4-20 adapter bushing for the main screw.



                  enter image description here



                  At least a few Nikon "still" cameras also seem to have a hole for the alignment pin. The Nikon D850, for example:



                  enter image description here






                  share|improve this answer















                  The tripod mount receivers on many video cameras have an additional slot next to the 1/4-20 threaded hole. This hole is for an alignment pin that orients the camera in the right direction and also assists in preventing the camera from twisting on the plate.



                  enter image description here



                  The holes in your Manfrotto 200PL quick release plate are for an alignment pin that fits into the additional (non-threaded) hole in the base on video cameras. The two holes in the QR plate are to allow the user to choose front or rear orientation of the plate when used with a video camera that has the hole for an alignment pin. Your Manfrotto 200PL plate should have been supplied with such a pin (they're typically black plastic, but were originally metal a LONG time ago) as well as a 3/8-16 to 1/4-20 adapter bushing for the main screw.



                  enter image description here



                  At least a few Nikon "still" cameras also seem to have a hole for the alignment pin. The Nikon D850, for example:



                  enter image description here







                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited 4 hours ago

























                  answered 4 hours ago









                  Michael CMichael C

                  133k7151375




                  133k7151375

























                      1














                      Those holes are for a vhs pin — apparently a thing used to keep big heavy tape-recorder cameras in alignment. I don't think there's any use for still cameras.






                      share|improve this answer




























                        1














                        Those holes are for a vhs pin — apparently a thing used to keep big heavy tape-recorder cameras in alignment. I don't think there's any use for still cameras.






                        share|improve this answer


























                          1












                          1








                          1







                          Those holes are for a vhs pin — apparently a thing used to keep big heavy tape-recorder cameras in alignment. I don't think there's any use for still cameras.






                          share|improve this answer













                          Those holes are for a vhs pin — apparently a thing used to keep big heavy tape-recorder cameras in alignment. I don't think there's any use for still cameras.







                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered 6 hours ago









                          mattdmmattdm

                          121k40356650




                          121k40356650






























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