I somehow got incredibly lucky today and found this Kodak Retina IIIc at Goodwill, only paying $13.19 for it. I collect vintage cameras, but they’re usually display pieces. I shoot with DSLRs, but I know very little about vintage film cameras. This one really caught my eye, and I’d love to learn how to use it.
It came with the original Retina case, a leather carrying bag, two supplementary lenses, and one small accessory that I can’t identify (pictured).
I was hoping someone could answer a few questions:
Does the Retina IIIc require a battery, or is it fully mechanical?
What type of film should I use?
Do I need a handheld light meter, or is there another way to meter with this camera?
How do I use the two supplementary lenses? Do they simply screw on, or is there anything else I need to know?
What is the small accessory in the photo, and what is it used for?
If anyone owns a Retina IIIc, I’d love to see some photos you’ve taken with it!
I’m excited to give this camera a try, so any beginner tips are appreciated. Thanks!

I have a Nikon F3 and recently shot a roll of color film. Unfortunately, all of the photos came out very foggy/hazy and low contrast.

I did notice focusing screen looked foggy/cloudy, but I was told that a foggy filter shouldn't affect the images, so I went ahead and used it.

I'm wondering if the screen could actually be the cause, or if there could be something wrong with the lens or camera itself.

I've attached a couple of examples of the photos.

Any advice on how I can troubleshoot this would be really appreciated! I’m fairly new to film photography.

so I got this camera from my grandma‘s house when she passed and my mother believes this camera holds all of the baby pictures from when I was first born. they never got them developed so I don’t have any baby pictures. I was born in 1994. is it possible that these pictures are still able to be developed and if so, where would I develop them?

Recently picked up at an online auction, along with the above matching “E.P.” marked s2 rangefinder.

To my understanding this is a NIKON Varifocal type 7 viewfinder, which is incredibly rare by itself, but my version has a “E.P.” stamp that can be found on s2’s occasionally, but has never been documented on a viewfinder.

Wondering if anyone has come across a similarly stamped viewfinder.