KP-0.3X Auxiliary Stereo Microscope Objective Lens for Industry Video Microscope 48mm Mounting

hi I'm supposed to be cleaning up the lab but I thought I'd do a video on the follow up on the Eakins microscope here because I said I'd do a video if I got some more lenses to it and I've got a couple of Barlow lenses down here which we'll take a look at now this was a very popular video this microscope it's not it's a different beast to the Sugano but it was to really cool in that the depth of field that you can get in the auto zoom function of the boxes anyway I'll link in the video it's a it's a very cool microscope for about 500 US bucks so anyway I said that one of the problems with this is the field of view how much of the board that you're working on can you actually view at the widest angle for this lens at the hundred millimetres working distance which is what you need to get the full zoom on this thing and as you can see it's about nineteen millimeters across there that's the