Vintage film cameras

[Kenzie]

Someone just remind me about filters. If I have a +1 filter fitted does it mean I need one more stop of light? Say meter reads f5.6 at 1/125, does that mean I step to f4 1/125 or f5.6 at 1/60? Or whatever combination.

[yokohama]

Cheers Johnny. I'll try it and see what happens. It's a simple enough camera to take apart and clean up if things go wrong.

[yokohama]

Originally Posted by Kenzie

Someone just remind me about filters. If I have a +1 filter fitted does it mean I need one more stop of light? Say meter reads f5.6 at 1/125, does that mean I step to f4 1/125 or f5.6 at 1/60? Or whatever combination.

I'm not sure how that works. Do they add a stop upwards - or downwards?
Would you be using it for lens protection or for effect?
An idea might be to put it on a lens and try out a few combinations with your digital camera if possible so you can figure out what it does.

[Kenzie]

It's a yellow filter and I might have meant -1. Supposed to boost contrast in black and white.

[yokohama]

If it's on a camera with TTL metering, won't it compensate automatically?

I lubed the Fed and put it back together. Seems quite smooth now. The Industar 26 is in bits while I dig hardened 60 year old grease out.

[Kenzie]

No, Kiev 4. Didn't get round to using it today. I did win a new camera though, its compact and slips easily into my pocket.

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[yokohama]

What's the new one?
With the filter, I suppose it will darken the image so to compensate, a stop more exposure is needed. I think what you said yesterday sounds right.
The fed and lens are done. It needs a film and testing out.

[johnnyrod]

Yep the "filter factor" tells you how many stops you need to add to the exposure. You can use a lot of different coloured filters with mono, red will give you really dark skies for example, yellow is the de facto for good contrast. A coloured filter also means any aberrations in the lens are negated as you're only focusing a small range of wavelengths, which is much easier for any lens than a whole spectrum.

[Kenzie]

Just a toy one from the arcade 2p machine.

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[johnnyrod]

Getting pretty quiet in here! What are you all up to? For me, not much, busy at work and been chasing after a new (old) mountain bike which I finally snagged. Still got rolls in the Konica RF and Pentax SLR.