As to lens cleaning, always use only tissue or cloth specifically made for lens cleaning and the same for any cleaning fluid. Ordinary tissue can damage invisible lens coatings, which are very important for lens performance. Pentax lenses, even vintage ones most often have especially fine lens coatings.
And welcome to the forum!
You have much to learn. While it is a good thing to learn with an all-manual camera and lens, which for many of us that was all there was when we started, be advised it will be a lot trickier and more costly than learning the same things with a DSLR. The term SLR is what you have there, a mirror system allowing the photographer to look through the viewfinder and right through the lens itself. The D is for Digital. The advantage being you can shoot away, see your results immediately, and not have to pay for film and processing.
Nonetheless, being forced to learn to focus manually with lots of practice to become good at it is very valuable, even when using autofocus in the future. To learn how to achieve good exposure via the settings you choose, shooting slide film is still the most accurate representation of the exposure your setting choices represent. With slide film, your choices will need to be virtually right on the money for accuracy. A good way to learn. Somewhat less expensive than ordering prints also. You should be able to find an inexpensive slide viewer, even one where you just hold it up to a light source, preferably daylight during mid-day hours for accurate colors. If you wish to get more sophisticated, there may still be slide projectors and screens available.
Obtaining a camera owners manual as indicated by aslyfox would be a very good idea.
You will learn how to read the camera's light meter to make appropriate decisions for "correct" exposure, and you will also discover how certain lighting conditions can fool the light meter which can then be misleading and how to deal with that. It is this kind of thing that when results don't turn out right, will often mystify new photographers who have only depended on leaving their modern cameras on all-automatic modes.
You can do a lot of practicing at no cost with no film in the camera. Practice accurate focusing. Do it at various distances. Note that the lens will have a minimum distance it can be focused. You will become more accurate and faster at achieving it. Always keep your eye on what the meter indicator is doing. Go ahead and fire the shutter.
You will soon learn the relationship between shutter speed and aperture. You will find you have a greater range of both available when you increase your film-type sensitivity, but the down side is image quality tends to diminish as sensitivity goes up. There is a manual control on the camera to set film "speed" (sensitivity) which will be shown on the outside of the film carton. You need to be sure to set the camera correctly for the film being used. A sensitivity of ASA 100 would be a very high-quality choice. ASA 400 might be needed for lower lighting, and still good for quality. (ISO=ASA for a DSLR).
You set aperture via the aperture ring on the lens with this camera. A larger aperture setting opens up the aperture more to let more light in, which means to maintain the same exposure value, the shutter will not need to be open as long, so you'll need a higher shutter speed under the same lighting conditions. While this may or may not be desirable, depending on the effect you are looking for, the larger aperture will also reduce depth-of-field (DOF) so less of the picture in front of and behind your subject focus point will be sharply rendered. In the case of a landscape shot having as well something in the foreground (which is a good idea), a reduced DOF would not bring a good outcome. So you'd need to close the aperture more, and deal with a slower shutter speed, which may require a tripod. But for other compositions, you might want the reduced DOF effect to make your main subject stand out better from the background. DOF also changes with the focal length of the lens and the distance from camera to subject.
A larger aperture setting is indicated by the smaller numbers on the aperture ring. Larger numbers represent smaller apertures. Apertures are given on paper with the f/ prefix.
You will also learn what shutter speeds you will need for which purposes, and the effects to expect. By changing your shutter speed, you can bring about a perceived speeding up or slowing down of motion, even freezing motion to a standstill (most-often desired). In that vein, with a live subject, and wanting a sharp result, it is critical to use adequate shutter speed, because no live subject can be as stock-still as a stone. As a rule of thumb, it is best not to attempt going below 1/30 sec, and better at 1/125 sec or above. Then there is your own live body's inadvertent motion. Also, a lens of longer focal length (more telephoto) is much harder to hold absolutely steady, and will thus require a higher shutter speed for hand-held shots. As already said, a higher shutter speed tends to freeze motion.
I hope these pointers will help you get started, and that your very old but potentially good K-1000 is in good working condition. We are here for any questions.
Last edited by mikesbike; 02-11-2020 at 03:57 PM.
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