vania_plemiannikov

Hello,

A used APO-RODAGON 4:90 MM is available at my usual dealer for an

intersting price. I shoot 6x4.5 film. The usual focal length

recommended for 645 is usally 75mm to 80mm. What would be the

downsides for using this 90mm, made for 6x7 negs ? Will quality suffer

or is it just a matter of how long the paper need to be exposed ? Will

it be a problem for large prints (30x40/40x50cm) ?

Also, are all the apo-rodagon equally good ? I heard/read a lot of

good things about the 80mm but can find anything about this one. Any

user's comment will be greatly appreciated.

I'm sorry if the answers to these questions seems obvious, but it is

sometimes difficult for a beginner to find clear answers to simple

matters in the printing process.

Thank you.

Michael, have you consider writing to www.tamron.com about it ? This is what I did, but if they receive sevral mails about this, they might look closer into the matter, and come out with something.

Thank you for your answer, at least I know it is not a problem linked to my body only.

If you find a cure, please keep me informed ; I'll do the same.

Well, I guess I should do some testing with 120 films before I panic. I just hope I don't hurt the camera by forcing the lever, but I don't have to push that hard anyway.

Any other insights are still more than welcome and thank you for your answers.

Andreas -- When I bought the camera I had already resigned myself to the fact that it was an all electronic camera, so I guess the LCD display was not a disapointment. Even if it is not a very intutive design, I enjoy the precise exposure reading. I wear spectacles and yet have no problem finding the LCD display in normal orientation. Horizontal orientation is nevertheless quite tricky to read.

Anyhow, since I never use A or P mode, I always have in mind what shutter speed or aperture I am using. I only check the LCD screen to see how much over or under exposed are my guessings. The A mode should not be a problem either. If you know the aperture, you should be able to guess the speed (more or less), and check only the top number on the LCD for confirmation.

Since we are talking about it, and even though I realy like this camera, I don't understand Bronica's choice to make it an electronic piece of equipment. This medium format is by design made for travels. But when traveling, photographers, at least for me, don't want to rely on a body that is batteries dependent, humidity, heat or cold sensitive. When traveling, there are a lot of situations where electronics is unreliable, and carrying a second body is not an option.

Well, I bought it anyhow, so I guess it is not that much of an argument. It is just that detail which prevent this bronca to become a reference among medium format equipment.

If I can bother you a bit futher : what kind of resistance are you talking about ? Is the lever smooth at the biginning but becomes harder at the very end of the stroke ? Or is the resistance constant during the whole stroke ?

What I'm thinking is, maybe I'm pushing the lever to fast, so the film gets a bad position by the end of the roll. Could that be a possibility ?

Thank you anyhow for your answer.

Here is the message I sent to Tamron techs. If anything similar has

happened to you or if you have any clue about what's happening to me,

please let me know.

Thank you.

V.P.

I purchase the RF645 a week ago and something seems to be wrong with

the film advance lever. I only used a few 220 films and when I reach

the end of the films (passed the 25th view or so) there is a great

resistance that makes it difficult to push the lever forward. At

first, I thought it was stuck and opened the back of the camera in

order to fully advance the film. But then I realized it was just a

strong resistance and could process my others film rolls to the end.

If I install a partially used film in the body (hence a film that I

manually rewinded), the same resistance occurs from the 1st to the

last view.

Here is what's happening : when I push the lever it first goes

smoothly but becomes difficult only at the very end of the rotation.

When no film is loaded, when the film is set to the 1st view, or when

the film passed the 32nd view, there is no such problem.

Is this a problem or sould I not worry about it ?

Am I doing something wrong ?

Must I sent it to be repaired ?

Thank you for your help and advice.

V.P.