tim orourke

They only time i have looked through it has been in my house which the lighting is rather dim, thats probably why i haven't been able to tell the difference, some time this week i'll take it out side with me. Thanks for all of the replies.

Thanks a lot Tim! As soon as I read your post I went to check my camera and found the Film Plane mark, this is great to know. I have a bolex h-16 I'm pretty sure it is from M series from 1958, and it has a pan cinor 17.5-75mm zoom lens which has a viewfinder but i've looked through it many times while playing with focus and it doesn't seem to change. It seems like the viewfinder is only meant for framing things up. Thanks again for the info. I'm still a bit confused about the focusing to infinity thing though. The lens I have goes from 6ft to 100ft(I think) and then after the 100ft mark is the infinity symbol. My only guess is anything past 100 feet is in the infinity range, but I'm not sure. I'll be looking around a bit to find out, but if anyone can clear that last thing up for me that would be great. thanks.

I have heard a lot about "measuring focus" but never really understood how to do it. I know to focus with a non reflex camera you need to use a tape measure to get the sharpest focus possible, what I'm confused with is at what part of the lens/camera do I start to measure from? (the back, middle or tip of the lens?) I was also wondering about focusing to infinity, I've read a little bit about it but i was wondering what would be the best situation to use infinity for. sorry if this might be a bit hard to understand, I'm a "noob" to this stuff but I would love to learn more. If anyone could break it down for me that would be greatly appreciated, and if this has already been asked many times then I apologize. Thanks again!