Fujica Az-1 dust in viewfinder and lens

Hello everyone! I just bought a Fujica Az-1 with aperture priority and m42 lens. It's in really good condition and working very well and softly. The only problem is that there a so much dust in the viewfinder. How can I remove it easily? I don't have any experience with the Japan cameras. I use most of the time my Zenit. So any advice for cleaning the viewfinder will be helpful.
The lens is Auto Reflecta 55mm 1,7. I think that it's a Tomioka lens. It's working smoothly but there is a little bit dust in the lens too. I can't find any information how to unscrew the optical part. I wanna clean the dust. How can I unscrew it? Please help me!

First download the instruction manual https://www.butkus.org/chinon/fujica/fujica_az1/fujica_az-1.htm if you don't have one.
Remove the lens then look into the body at the reflex mirror and the view screen. The view screen is at the top of the lens opening above the mirror. Remove the dust or foam crumbs with a camel hair brushh or use compressed /canned air.
The mirror is first surface and scratched easily. The view screen is plastic and scratched easily also.

Put even pressure on the trim ring of the lens and push counter clockwise. It will likely unscrew giving access to the front element.

I would not bother with the lens. You will very likely introduce more dust than is already there and the dust that is there is not going to have any significant effect on your photos.

Cleaning the dust out of the viewfinder is quite a task that usually involves disassembly of the top of the camera and removing the prism...again, really not worth it to do yourself but You definitely should try to find the source of the debris in the viewfinder. Is it really dust or is it bits of deteriorated mirror foam? or worse, bits of shredded film?

shutterfinger said:

First download the instruction manual https://www.butkus.org/chinon/fujica/fujica_az1/fujica_az-1.htm if you don't have one.
Remove the lens then look into the body at the reflex mirror and the view screen. The view screen is at the top of the lens opening above the mirror. Remove the dust or foam crumbs with a camel hair brushh or use compressed /canned air.
The mirror is first surface and scratched easily. The view screen is plastic and scratched easily also.

Put even pressure on the trim ring of the lens and push counter clockwise. It will likely unscrew giving access to the front element.

Click to expand...

BradS said:

I would not bother with the lens. You will very likely introduce more dust than is already there and the dust that is there is not going to have any significant effect on your photos.

Cleaning the dust out of the viewfinder is quite a task that usually involves disassembly of the top of the camera and removing the prism...again, really not worth it to do yourself but You definitely should try to find the source of the debris in the viewfinder. Is it really dust or is it bits of deteriorated mirror foam? or worse, bits of shredded film?

Click to expand...

I cleaned it from the front side with a blower, but the dust is behind the plastic. It looks like a small foam pieces and dust together.

Not being familiar with this camera I cannot venture further. i did a google search for Fujica AZ1 service manual and found https://elektrotanya.com/fuji_fujica_ax-1.pdf/download.html and a link to the AZ1 repair manual from World press that has been hijacked.
Repeating the search with repair manual gave results for the AX but not the AZ.
https://learncamerarepair.com/downloads/pdf/Fujica-ax1-repair-manual.pdf easier download.

If you are not comfortable opening the camera up or if the repair manual is not a close match then take it to a qualified service shop.

I would skip down to manual page 8 (pdf 11) and remove the focus screen then blow out the bottom of the pentaprism, very carefully clean the focus screen then reinstall it.

shutterfinger said:

Not being familiar with this camera I cannot venture further. i did a google search for Fujica AZ1 service manual and found https://elektrotanya.com/fuji_fujica_ax-1.pdf/download.html and a link to the AZ1 repair manual from World press that has been hijacked.
Repeating the search with repair manual gave results for the AX but not the AZ.
https://learncamerarepair.com/downloads/pdf/Fujica-ax1-repair-manual.pdf easier download.

If you are not comfortable opening the camera up or if the repair manual is not a close match then take it to a qualified service shop.

I would skip down to manual page 8 (pdf 11) and remove the focus screen then blow out the bottom of the pentaprism, very carefully clean the focus screen then reinstall it.

Click to expand...

Thank you so much!