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Rolleiflex 2.8F Digital Light Meter Modification – The Adafruit ALS-PT19 Analog Light Sensor Breakout in action I wanted to use as much of the camera’s existing infrastructure as possible, so I reused the selenium cell’s contacts to aid in disassembly should anything go wrong.
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So, I removed only the selenium cell, and epoxied in the bubble lenses and the black housing. Hoss completely replaced the selenium bubble-lens strip, I wanted to keep that in place, because those lenses give the light meter a similar field of view to the actual lenses below. In many ways, this was EXACTLY what I wanted to do, save for a few changes due to preference - or laziness - I chose.
#Rolleiflex 2.8 c camera how to
In 2017, a fellow by the name of Guido Hoss had posted to his blog a project showing how to drive the galvanometer by using an Arduino microcontroller reading inputs from a CdS cell ( the project is described on his blog in detail here). I even tried two kinds of solar cells, the monocrystalline type (it favored outdoor light disproportionately) and amorphous (didn’t match the output curve of the meter) so I was forced to try something crazy I’d seen: a CdS cell and Arduino microcontroller. Initially, I tried using a modern solar cell to replace the selenium strip that was in there. Rolleiflex 2.8F Digital Light Meter Modification – Solar panel tests It got to the point where I couldn’t take it and so, I set off on finding a solution. “I’m just a simple needle, I can move depending on the current you give me, certainly there must be some way I can be of some use?” That old galvanometer sat in my parts bin calling to me, though. While using the camera I became quite familiar with using a handheld light meter, even though there was one right there on the camera.Ī while back, resolved that the meter would never be useful again, I even bought one of those fancy 3rd party carbon fiber meter plugs to replace the bulky needle assembly that stuck out of the focus knob. And as with many cameras of its vintage, the selenium cell used to power the batteryless light meter was beyond its expiration date. The story starts off with a Rolleiflex 2.8F, which I was sold for a song by a friend.
#Rolleiflex 2.8 c camera plus
Rolleiflex 2.8F Digital Light Meter Modification – ILFORD Pan F PLUS – Nikon N90S and Quantaray 50-2.8 Macro EMULSIVE Santa match confirmations have been sent out to this year's 850 players! If you have any questions about your match or the process, please reach out via Elfster ASAP.