Rodney Campbell's Blog

Nikon D600 Viewfinder Light Leak Update…

by on Feb.11, 2013, under Life, Photography, Technology

In my previous post I indicated I might do some further testing to see whether the light was only leaking in during the moments the mirror is moving up and down.

Turns out this isn’t the case…

The following three shots were taken under the same conditions – low light room with the viewfinder cover removed – camera sitting on the desk with lens cap on and a manual shot at 30 seconds @ f/8 and ISO 100

In this first shot I waited about a second after the shutter is triggered and then shone the LED torch directly into the viewfinder for most of the exposure (20 seconds?) but ensuring I turned it off before the end (before the mirror flips up again) – as you can see it’s leak city

NIKON D600 + 20.0 mm f/2.8 @ 20 mm, 30 sec at f/8, ISO 100

This second is the reference frame – same exposure but no torch lighting the viewfinder hole – all black as expected

NIKON D600 + 20.0 mm f/2.8 @ 20 mm, 30 sec at f/8, ISO 100

and this third is similar to the first in that I triggered the shutter – waited about 5 seconds and then shone the torch briefly at the viewfinder (from further away and with less intensity) for only a few seconds (less than 5) and then stopped and waited for the rest of the 30 second exposure to complete

NIKON D600 + 20.0 mm f/2.8 @ 20 mm, 30 sec at f/8, ISO 100

as you can see even still a faint leak is registered

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