Calibrating a Probe Lens¶
▶ Calibrating a Probe Lens — Watch on YouTube
I'm going to go through and show you how I'm going to go through and show you how to calibrate a probe lens like this lava to calibrate a probe lens like this lava to calibrate a probe lens like this lava lens here um it's very similar to lens here um it's very similar to lens here um it's very similar to calibrating normal lens uh just a few calibrating normal lens uh just a few calibrating normal lens uh just a few different offsets so I'm actually different offsets so I'm actually different offsets so I'm actually showing it here on a cinebot mini this showing it here on a cinebot mini this showing it here on a cinebot mini this is not really the right rig for this the is not really the right rig for this the is not really the right rig for this the cinebot mini is not designed for being cinebot mini is not designed for being cinebot mini is not designed for being used with a long uh probe lens like this used with a long uh probe lens like this used with a long uh probe lens like this or for doing tight macro shots but for or for doing tight macro shots but for or for doing tight macro shots but for the purposes of just calibrating lens the purposes of just calibrating lens the purposes of just calibrating lens that's how I'm going to use it for now that's how I'm going to use it for now that's how I'm going to use it for now um so if I'm going to go if I go over to um so if I'm going to go if I go over to um so if I'm going to go if I go over to my my my flare I'm going to create a new lens lens new going to give it a lens lens new going to give it a name lava it's the 24 mil name lava it's the 24 mil name lava it's the 24 mil lens put in 24 mil here lens put in 24 mil here lens put in 24 mil here just going to save just going to save just going to save that okay and then restart the that okay and then restart the that okay and then restart the calibration calibration calibration so what I'm going to do there's my focus so what I'm going to do there's my focus so what I'm going to do there's my focus I'm going to turn my um Wireless I'm going to turn my um Wireless I'm going to turn my um Wireless controll on this is a tilter motor that controll on this is a tilter motor that controll on this is a tilter motor that I'm being that I'm using if I was doing I'm being that I'm using if I was doing I'm being that I'm using if I was doing this with normal MMC Motors uh the this with normal MMC Motors uh the this with normal MMC Motors uh the standard Motors on other rigs then I standard Motors on other rigs then I standard Motors on other rigs then I would be not using wiress controler I'd would be not using wiress controler I'd would be not using wiress controler I'd just be moving the lens by hand to just be moving the lens by hand to just be moving the lens by hand to calibrate but here I have a wireless calibrate but here I have a wireless calibrate but here I have a wireless controller and that's what needs to be controller and that's what needs to be controller and that's what needs to be done with a tilter CU you can't push done with a tilter CU you can't push done with a tilter CU you can't push them you can't back drive them by hand them you can't back drive them by hand them you can't back drive them by hand so I'm going to turn this on I now have so I'm going to turn this on I now have so I'm going to turn this on I now have control as you can see from my control as you can see from my control as you can see from my screen I have control so I'm going to screen I have control so I'm going to screen I have control so I'm going to move it to move it to move it to Infinity that's now at Infinity that's now at Infinity that's now at Infinity I'm going to store that I'm Infinity I'm going to store that I'm Infinity I'm going to store that I'm going to move it to close Focus then going to move it to close Focus then going to move it to close Focus then type type type [Music] [Music] [Music] in 45 in 45 in 45 45.8 CM store that now I'm going to move 45.8 CM store that now I'm going to move 45.8 CM store that now I'm going to move it now you'll notice it's I am focusing it now you'll notice it's I am focusing it now you'll notice it's I am focusing and my lens is and my lens is and my lens is moving okay moving okay moving okay but this is not moving the reason for but this is not moving the reason for but this is not moving the reason for that is actually because I've put my that is actually because I've put my that is actually because I've put my focus mode the other way around so I focus mode the other way around so I focus mode the other way around so I have to invert it um so I'm going to have to invert it um so I'm going to have to invert it um so I'm going to just go into the focus axis setup okay focus access setup reverse it apply okay focus access setup reverse it apply it close that just reenable it run it it close that just reenable it run it it close that just reenable it run it from from from flare just turn off flare just turn off flare just turn off my if I double push my function button my if I double push my function button my if I double push my function button on the on the on the controller the controller disables so I controller the controller disables so I controller the controller disables so I can now move it from can now move it from can now move it from flare move to one end move it to the flare move to one end move it to the flare move to one end move it to the other other other [Music] [Music] [Music] end okay end okay end okay and that should now be done so now if and that should now be done so now if and that should now be done so now if I move it turn my controller back on I move it turn my controller back on I move it turn my controller back on move it to Infinity the focus is now move it to Infinity the focus is now move it to Infinity the focus is now saying zero which is where Infinity is saying zero which is where Infinity is saying zero which is where Infinity is so I'm going to just restart store this so I'm going to just restart store this so I'm going to just restart store this then go back to my close then go back to my close then go back to my close Focus type in Focus type in Focus type in 45.8 store that and now move it to my 45.8 store that and now move it to my 45.8 store that and now move it to my next Mark or somewhere in the middle 40 7 40 7 cm doesn't have many markings this lens cm doesn't have many markings this lens cm doesn't have many markings this lens store going to add a row 48 CM CM store next one 49 cm store next one yeah 55 store next one yeah 55 CM that's the last Mark in that CM that's the last Mark in that CM that's the last Mark in that direction let's go back the other direction let's go back the other direction let's go back the other way way way so this one's 46.2 46.2 store this one is that's 47 which I've store this one is that's 47 which I've store this one is that's 47 which I've already done so there all my y marks on already done so there all my y marks on already done so there all my y marks on that lens I'm going that lens I'm going that lens I'm going to go over here calibrate it okay to go over here calibrate it okay to go over here calibrate it okay complete the complete the complete the calibration okay and then calibration okay and then calibration okay and then apply save it now what's very important apply save it now what's very important apply save it now what's very important here is I've calibrated my here is I've calibrated my here is I've calibrated my focus but what I now need to do is set focus but what I now need to do is set focus but what I now need to do is set up the offsets because as you can see up the offsets because as you can see up the offsets because as you can see it's a macro lens but this is 55 CM it's a macro lens but this is 55 CM it's a macro lens but this is 55 CM which is measured from the film plane on which is measured from the film plane on which is measured from the film plane on the Lao okay so I'm the Lao okay so I'm the Lao okay so I'm gonna go here and then I need gonna go here and then I need gonna go here and then I need to set this to to set this to to set this to moves um moves um moves um and then need to put in my offsets now and then need to put in my offsets now and then need to put in my offsets now if I click here there's actually a if I click here there's actually a if I click here there's actually a diagram of my various offsets I'm using diagram of my various offsets I'm using diagram of my various offsets I'm using top mount okay shows me various diagrams top mount okay shows me various diagrams top mount okay shows me various diagrams and I need to set these correctly up for and I need to set these correctly up for and I need to set these correctly up for this this this rig so I need to put in the X noal rig so I need to put in the X noal rig so I need to put in the X noal offset 5 5 oh oh oh 45 45 45 okay I'm going to put in the measure okay I'm going to put in the measure okay I'm going to put in the measure Point okay which is from the film Point okay which is from the film Point okay which is from the film plane and I'm going to measure from the plane and I'm going to measure from the plane and I'm going to measure from the film plane so I'm going to keep that film plane so I'm going to keep that film plane so I'm going to keep that zero okay that's the distance from the zero okay that's the distance from the zero okay that's the distance from the measure point which is the film measure point which is the film measure point which is the film plane back okay to the pan plane back okay to the pan plane back okay to the pan axis pan axis is there so I'm going to axis pan axis is there so I'm going to axis pan axis is there so I'm going to measure from there to my film plane which is plane which is about 6 cm so cm so that's 06 06 okay and that is about. n sorry about. n sorry 0. exit okay now once I've done that I'm exit okay now once I've done that I'm going to test it by putting into going to test it by putting into going to test it by putting into cartisian control I should be able to cartisian control I should be able to cartisian control I should be able to orbit around the end of the lens so I'm orbit around the end of the lens so I'm orbit around the end of the lens so I'm going going going to put my focus to Follows to put my focus to Follows to put my focus to Follows Target and then and then turn it then and then turn it on turn my hand controller and and okay that's not right okay so my focus okay that's not right okay so my focus okay that's not right okay so my focus currently set very far let's bring my currently set very far let's bring my currently set very far let's bring my focus in