Author Topic: Farewell to the DSLR camera  (Read 10528 times)

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Online voltsandjolts

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Re: Farewell to the DSLR camera
« Reply #75 on: July 18, 2022, 05:33:59 pm »
I've just been watching this months episode of The Sky at Night (UK astronomy program by the BBC) and in the background of an interview (Oslo Uni) there was a very cool big print of an elephant charging with Kilimanjaro in the background. Quick search online revealed it to be one of David Yarrow's most famous pictures. Just a funny coincedence as I'd just mentioned him above.
 

Offline Zucca

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Re: Farewell to the DSLR camera
« Reply #76 on: July 26, 2022, 01:53:49 pm »
Amazing shot!

I just dropped $7.6K for some Canon ML stuff.  >:D

On sale in USA:

Canon 5D Mark4
EF 85mm 1.2L II USM
EF 24-70mm 2.8L II USM
EF16-35mm 2.8L IS II USM
EF 70-200mm 2.8L IS II USM

PM me if interested.
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 
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Offline bd139

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Re: Farewell to the DSLR camera
« Reply #77 on: July 26, 2022, 03:01:13 pm »
LOL that's "buy my stuff so I can eat" territory.

Congratulations either way  :-DD
 
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Offline Zucca

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Re: Farewell to the DSLR camera
« Reply #78 on: July 26, 2022, 03:04:36 pm »
I thought worst case they will laugh at me.  ::)
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 

Offline Cubdriver

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Re: Farewell to the DSLR camera
« Reply #79 on: July 26, 2022, 11:54:12 pm »
I'll be sticking with my DSLRs for the time being - got the 5D-IV a few years back to go with my 5D-II and am quite happy with it.

-Pat
If it jams, force it.  If it breaks, you needed a new one anyway...
 

Offline harerod

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Re: Farewell to the DSLR camera
« Reply #80 on: July 27, 2022, 06:47:21 am »
...

I just dropped $7.6K for some Canon ML stuff.  >:D

On sale in USA:
...
The secret of making money with professional photo equipment: Sell it...
 

Offline magic

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Re: Farewell to the DSLR camera
« Reply #81 on: July 28, 2022, 07:59:08 am »
I just dropped $7.6K for some Canon ML stuff.  >:D
There is a Canon ML, even more portable and above your budget :D

 

Offline Zucca

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Re: Farewell to the DSLR camera
« Reply #82 on: July 28, 2022, 12:17:04 pm »
I have already two GoPros  :-DD
Can't know what you don't love. St. Augustine
Can't love what you don't know. Zucca
 
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Offline tooki

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Re: Farewell to the DSLR camera
« Reply #83 on: July 30, 2022, 03:36:16 pm »
Isn't it harder to judge the quality of modern lenses, since much of the 'quality' comes from in-camera compensation, rather than outright optical quality? Whereas, when using older lenses you can be assured there are no hidden shenanigans. As long as you're happy with the result I guess it doesn't really matter :)
No. Modern lenses, even cheap ones, are great because we have better engineering and manufacturing than in the past. Modern optical design is computer aided, allowing the design of complex distortion-reduction aspherical designs, and modern manufacturing makes it possible to manufacture those affordably.

Yes, many modern cameras (Nikon for sure) apply compensation, too, but they do that for old lenses, too!!! But the compensation is for things like pincushion distortion, lateral chromatic aberration, etc. It’s not improving the fundamental sharpness of the lens.
 

Offline tooki

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Re: Farewell to the DSLR camera
« Reply #84 on: July 30, 2022, 03:48:44 pm »
Another important technology innovation that has been emerging over the past decade is the use of an Electronic Shutter/Curtain with CMOS sensors. We began following this when they were first introduced since some of our Stack & Stitch Chip images can take 20 sessions with each session having 200~400 individual images per session. That's a lot of shutter/curtain excursions to render one final large Gigapixel image, which could easily wear out the shutter mechanism.
What’s funny on the Nikon side is that they used to do that a lot more! My old D70s used a shutter curtain up to 1/250 (IIRC) and everything faster than that was electronic. (So it never did moving-slit exposure.) But it used a CCD image sensor, not CMOS.
 

Online mawyatt

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Re: Farewell to the DSLR camera
« Reply #85 on: July 30, 2022, 06:02:33 pm »
What’s funny on the Nikon side is that they used to do that a lot more! My old D70s used a shutter curtain up to 1/250 (IIRC) and everything faster than that was electronic. (So it never did moving-slit exposure.) But it used a CCD image sensor, not CMOS.

Nikon stayed with CCDs for much longer than Canon an others, they had specific advantages beyond just noise over CMOS, like the electronic shutter. Even today think CCDs still have a DR advantage over CMOS.

Regarding the lenses discussion old vs new designs, many of the very old lenses utilized special glass that is forbidden today. The old Lomo microscope lens we have believe used some form of radioactive glass that has been banned for a long time. No it doesn't "glow in the dark"  ;D

Best,
« Last Edit: July 30, 2022, 06:04:29 pm by mawyatt »
Curiosity killed the cat, also depleted my wallet!
~Wyatt Labs by Mike~
 

Offline TimFox

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Re: Farewell to the DSLR camera
« Reply #86 on: July 30, 2022, 07:45:13 pm »
I don't own one, but there were classic apochromatic lenses made for medium- and large-format cameras containing lanthanum-glass elements, under the trade name "Apo-Lanthar".
Voigtländer now makes modern lenses (for Sony mirrorless cameras) with that trademark, but I doubt they use (slightly) radioactive lanthanum glass (apparently an alpha emitter due to a minority isotope and possibly thorium included in the mixture).
In general, heavy elements (such as lead and rare earths) will increase the optical index when mixed in glass.
After thoriated glass fell out of favor, the less-radioactive lanthanum replaced it.  see https://www.fourmilab.ch/documents/radiation/lens/
 


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