Ed,Is there a big difference in image sharpness between a 150-600 zoom and aa 500mm or 600mm PF? I am trying to decide if I "NEED" a Prime focus. 80% of my shots are currently at 600mm zoomed because of how far my subjects are.
You are getting great advice from everyone on this forum but I think part of the issue is that you are getting too much and it’s difficult to sort out where to start.
I think you should approach each outing with one goal in mind. I would start with proper exposure. Set the camera to shutter preferred mode and dial in 1/500 and let the camera select the aperture. If you think that’s too slow bump it up. Don’t use auto ISO at first. Set ISO to something between 400-1000. Use matrix metering , not spot Metering. You want to learn how the camera exposes the scene not a spot. You are trying to learn the basic. The fewer variables the better. Go out to a local pond or park by yourself and shoot. But make sure the lighting is behind you. Lighting is the key. Position yourself so that every image looks sharp. If images are too dark bring the shutter speed down until it looks good. Or you can bring the ISO up. Don’t do both. If the scene is too light, increase the shutter speed or bring the ISO down. If the exposure is good but images are blurry, bump the shutter speed up. Your trying to get a feel for what the camera is doing. It takes practice. Go out multiple times and after you feel comfortable than you can play with exposure compensation. Once your good with that than move to manual and Auto ISO which is where you want to end up. Auto ISO is the best. Remember, without proper lighting you are wasting your time. At least in the beginning always position yourself so the light source is behind you or at least at an angle to the subject. You are trying to control exposure with these settings. Once you have that down than you can play with depth of field and freezing the action etc.
One last thing. As Steve always professes, get close. Get as close as possible. Practice shooting birds in your yard. You want to lock onto that eye. Whatever the subject is you want to get as close as you can.
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