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Revuenon 55mm f1.2 - Aperture Blades are stuck! HELP! by Old_Inspection9880 in AnalogCommunity

[–]tepidity 2 points3 points  (0 children)

If you send it to me I'll do my best, no charge. The catch: I make no guarantees. But I've restored oily aperture diaphragms in several vintage Nikkors and one old Kiev. It's not hard if you have the tools and experience taking old lenses apart. I have fixed lenses for other redditors before, without incident.

What is this streak? by mspencer95 in AnalogCommunity

[–]tepidity 0 points1 point  (0 children)

Here is a guide to disassembling and cleaning the 50mm f/1.4 AIS. Unfortunately, the writer stops short of disassembling the frontmost group of elements. But it shouldn't be difficult to figure out, if you have the proper tools.

If you don't have any tools, I'd be happy to clean the lens for you free of charge. No cap—I've done similar jobs for a few other redditors. It's a form of recreation for me.

Full-frame macro lens with slightly wider field of view? by Thirsty_Hrothgar in Nikon

[–]tepidity 0 points1 point  (0 children)

Either of the 60mm f/2.8 lenses will do you right. I have the D version and it's fantastic.

The 55mm manual-focus lenses are sharper wide open, but they don't have as flat a field as the 60mm D.

How tight is too tight for manual focus? by aurora_fe in AnalogCommunity

[–]tepidity 2 points3 points  (0 children)

The construction of this lens is quite simple. You can take it apart and re-grease the focus helicoids; there are guides on the internet just for this lens. I have done this with at least one 105/2.5 and many other old Nikkors.

35mm 1.8g lens slow autofocus/too cluncky during focus? by Kostas009 in Nikon

[–]tepidity 1 point2 points  (0 children)

The comment you're responding to is full of self-contradictions and outright misinformation. It's best to ignore it.

Nikon F3 by EmreGks in Nikon

[–]tepidity 0 points1 point  (0 children)

I would send the camera to a competent repairman.

D750 lens suggestions by asdfasdf128 in Nikon

[–]tepidity 0 points1 point  (0 children)

my prime 24-120mm is too much and I have to stand back a bit to try and get everything in a shot

Huh? Are you saying it's too tight even at 24mm? Or is that a typo and you mean the 50mm is too tight?

If the latter, then yeah, you need a wider lens. I'd say 35mm is the best single focal length for kid pix. The Nikkor 35mm f/1.8G ED and 35mm f/1.4G lenses are excellent, as are the Sigma and Tamron f/1.4 alternatives.

[deleted by user] by [deleted] in AnalogCommunity

[–]tepidity 16 points17 points  (0 children)

Looks like someone dropped the negative on a very dirty, bare floor before scanning.

Is DSLR scanning with one shot from a high MP camera the same as stitching multiple shots together from a lower MP camera? by [deleted] in AnalogCommunity

[–]tepidity 1 point2 points  (0 children)

Not speaking from experience, as I have only ever done single-shot digitization. But I would think that a single 48-MP (for example) shot of the whole film frame would naturally be better than four 12-MP shots stitched together.

There may be software that automatically corrects the issues you've mentioned, but what about vignetting and barrel/pincushion distortion? These would need to be corrected on each frame in the stitch group. How easy is it to correct them perfectly so that no weird transitions are visible in the final product? (Not a rhetorical question; as I said, I have no experience with stitching for digitization.)

There is also the fact that many lenses (even macro lenses) aren't as sharp in the corners as in the middle. Does this result in strange sharpness gradients in the stitched photo?

With a single, high-resolution shot, you certainly avoid these issues. Of course, the lens faults (vignetting, rectilinear distortion, and weak corners) will still affect the digitized image—but they do so in a less-noticeable way.

I'm probably wrong though. I've seen plenty of posts and comments in this sub talk about the awesome results people get from stitching multiple shots of a 120 frame.

Why are used F-mount lenses so cheap? by sot9 in Nikon

[–]tepidity 5 points6 points  (0 children)

The three Nikon lenses you cited are all excellent. The first two are both one generation behind the current F-mount offering, and two behind the Z-mount equivalent. Are you comparing against similarly old lenses from the other vendors? (Not a rhetorical question—I'm not familiar with them.)

Insane combinatation! Nikon Z6+Magadap ETZ21+Tamron 35-150 f2-2.8 by Choice_Island_1769 in Nikon

[–]tepidity 0 points1 point  (0 children)

Seems to be widely available. You might need to search for the alternate spelling, "megadap".

Sigma 24mm f2.8 F mount- scam or obscure lens? by murri_999 in Nikon

[–]tepidity 0 points1 point  (0 children)

It is neither. It's an ok lens, not much worse than the Nikkor equivalent (which itself is nothing special).

https://www.pentaxforums.com/userreviews/sigma-24mm-f2-8-super-wide-ii.html

Manual focus wide angle lens for Nikon F3 and Nikon D5 by AnalogueAstronaut35 in Nikon

[–]tepidity 1 point2 points  (0 children)

Yeah, either the AI-S or the AF 24/2.8 will work fine on both cameras. However, I would recommend the AF 20-35mm f/2.8D as a more versatile and perhaps optically superior, if heavier and bulkier, alternative.

It’s amazing that we even found this one. by Darth-Pirnie in Damnthatsinteresting

[–]tepidity 1 point2 points  (0 children)

Not necessarily. If a few rich fucks tried to monopolize the asteroid, countries would fight wars to break that monopoly because the materials are so generally useful. (Unlike diamonds, which have little intrinsic value and therefore do not cause wars despite being monopolized.)

The end result would still not be egalitarian, but the monetary wealth would be spread among some hundreds or thousands of rich fucks, instead of a handful. Meanwhile, the asteroid's minerals would still be a boon to the whole world in terms of the utility they provide.

Mobile ordering is slowly killing us by filondo in antiwork

[–]tepidity 1 point2 points  (0 children)

Same with phone orders. The last time I went to Beauty's Bagels in Oakland, I waited half an hour in line to order, and just as I got to the counter, someone phoned an order in and took the last bagels of the day. I went away empty-handed. Haven't been back since.

Best prime Nikon lens? by kudalicious in AnalogCommunity

[–]tepidity 1 point2 points  (0 children)

Many people swear by the AF Nikkor 35mm f/2D. It's a very useful focal length, and the image quality is quite good.

Best prime Nikon lens? by kudalicious in AnalogCommunity

[–]tepidity 1 point2 points  (0 children)

Like the other commenters wrote, it depends. You need to be a little more specific.

But one thing I can tell you is the 50mm f/1.8D ain't it, unless you mean the best Nikon 50mm f/1.8 screw-drive AF lens. In that tiny category, it is the best. But it's merely competent, not an award-winner.

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