![]() I determined that diffraction wasn't noticeable (for me, anyway) until I got down to f22. I did this on a Pentax 67 some years ago. Look for tiny details and notice how they vanish at small apertures. You can examine the negatives on a light table with a magnifier. DOF will vary, of course, so be sure to focus on something of interest. Put the camera on a tripod and shoot the same scene at all apertures. It's very easy to determine the sweet spot yourself. Were always told the sweet spot of those lenses was around a 5.6. So I'm wondering, is the sweet spot for all lenses a stop under closed down from wide open? Does itĭepend on the film as well? Different format, but when I used to shoot 16/Super16 with Zeiss lenses, we Speed would force you to stop down too much on a sunny day, letting slip what your lens can actually Up to two hours before sunset will give you something like a 125th or a 250th of a second at F 3,5. Any normal winter day 2 hours after sunrise and This puts you effectively to between F2 and F4. Best lenses are F1,4 high speed high quality lenses like Nikkors, Summiluxes, Rokkors or Canon Otherwise the lens defraction will lower your lenses resolution down to half of what this film canĬapture. If you want high resolution pictures you need to open your lens aperture to one stop below maximum Likewise, if you have a question yourself you should start your own topic, not attempt to derail from the OP's question by posting your own questions in the comments.I was reading on last night and caught this bit under the section for Adox CMS 20 film. While elaboration and further suggestions are generally okay, the point of comments should be to answer the OP's question not to change the topic to fit your personal preference/beliefs. If the poster is asking about cameras, simply posting that they should get a gun is not acceptable. As in, if a poster asks for suggestions about a hardwired alarm, simply answering to get a camera is not acceptable. Comments should answer the OP's question.Links to sources/information is okay in limited situations where it directly relates to conversation, but posters should not be regularly posting the same external sites/other subreditts over and over again. The intention of the sub is to help posters here.The intention of the sub is to help posters, not to promote a brand. Making an occasional mention of a brand when relevant to the discussion is fine.but repeatedly posting nothing but a brand over and over without any further information/discussion is not acceptable. ![]() No attempting to solicit customers, no offers to give quotes or asking to private message.
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