Originally posted by MrMagoo Are the cameras I have “good” cameras? Lenes OK? I have downloaded the manuals for both cameras (seriously 300+ pages for each one!). I don’t understand the model numbering, full frame, mirrorless and all the different mount designations.
First, sorry to hear about your father.
Second, welcome to the forums!
The cameras are definitely good.
The K5ii is from 2012, but was a full featured model for that time, and will still give you very nice pictures.
The K70 is the current entry/mid level model. It's very capable, and will probably be your go to.
Here's an overview video of the K70.
The lenses sound fine if not top of the line:
The Tamron 70-200 2.8 is a very good lens, the type pros use, especially with that length (70-200 is the focal length) it's good for sports and portraits.
The other Sigmas and Tamrons are a little more middling, but should serve you just fine unless/until you find some reason to look for something else.
The Pentax F 80-200 is probably not going to give you anything more than the Tamron 70-200 (that f2.8 (the aperture) means the lens is good for lower light, compared to the 4.7-5.6 of the Pentax, which will be more limiting; it's also a sign of quality that the 2.8 is just one number for the whole range, whereas the 4.7-5.6 means it lets less light in as you zoom further in, which is usually the case in less high end zooms).
The DA18-135 is a very respectable walkaround kit lens. You will likely find yourself using that lens most often. It's also your weather sealed lens (note that doesn't mean waterproof, but light drizzle or dusty-dirty situations should be fairly safe). The Promaster is a similar, older, likely inferior walkaround lens.
I would say you should look through the box of other lenses. It's possible there are some primes in there (they'll have just one focal length, such as 50mm, or 28mm, instead of 18-135 or 70-200), and primes are generally known to have better image quality than zooms. They may also be 'faster' (a lower aperture number, such as a 50mm f1.7, which will mean be better for low light among other advantages), which will be nice for indoor and evening shots.
The lower aperture also gives you more control over how much is in focus and how much is blurry (depth of field), which is an important concept to learn to control, and a fast prime is the traditional tool photographers learn that with. That article I just linked is very helpful: I linked to page 5 about aperture, but you may want to
read the whole thing.
Your father may have been using the zooms for the convenience, but some of us prefer primes, and you may find that you do too (or you may not, there's no problem either way). The only way to know is to try! If he has old film era primes, it's entirely possible there are some very good lenses in there.
The other questions:
Mirrorless is a type of camera that doesn't have an optical viewfinder, and instead always puts the image on the sensor(the equivalent of the film from film day), and then shows it to you on a screen of some kind. Neither camera is a mirrorless, and Pentax doesn't do mirrorless (for the most part). Your cameras are DSLRs (digital single lens reflex), which is the other type than mirrorless. I wouldn't worry too much about mirrorless cameras.
Full frame is a size of sensor, as compared to APS-C (or other less common ones). APS-C is also called 'crop' sometimes. It means the sensor is a little bit smaller than the size of 35mm film like in your K1000, whereas full frame is basically that same size. Both of your cameras have APS-C sensors, and neither are full frame. There are advantages and disadvantages to both formats, and I wouldn't worry yourself too much with them since you only have one format.
I wouldn't get yourself too worried about the model numbers. You have two very nice cameras, just stick with those and don't concern yourself with comparing to other models.
Both of your cameras, and almost all Pentax cameras, use the K mount. They can both use the same lenses from your collection. There are different K mount versions, though, and your K5ii can't fully use the newest version.
Here's an article on the history of the K mount. Here's the
lens compatibility checker. However, you shouldn't have to worry about any of that unless you go to buy new lenses. Your K70 can use any K mount lens, including the most modern ones. Again, either of your cameras can use any of your current lenses.
Hope that wasn't too long, and wasn't too basic for you. And I hope you enjoy your cameras!