Joseph S Wisniewski

@LongPVo that's the "wrong direction". It's the "easy" direction, because what the iPad produces, it does slowly and crudely, and the PC or Macbook has a ton of power to decompress it.

And,...

The more pixels you render, the more power you need. I have a 15 inch MBP, and back when I had a 2.5k display plus the MBP display, the fan only kicked up when doing builds in xcode, or any time I...

As BobNL already said, there are two entirely different things going on, the "registration distance" from the lens mount to the sensor, and the "back focus" from the rear lens element to the ...

Not really. Given the same diagonal, the 3:2 aspect would have given Oly about an extra 1mm of "back focus" (distance from the rear element to the sensor) making telecentric lens design a little ...

Thanks. I'm trying to rekindle my love of the art and science of photography.

You're confusing cause and effect. It just happens that the only currently manufactured 43.3mm diagonal sensors are in the 3:2 aspect. You don't want a 4:3 aspect in a full DSLR, because a 4:3 ...

I use a 43 inch Dell on the home system and a 43 inch Acer on the work system. They act like monitors, not like TVs. Color management is easier, controls are more familiar.

More like a particular diagonal, 43.3mm. Sensor size is mostly measured in terms of diagonals. Sometime in terms of area. Seldom in H and V dimensions. But 43.3mm is 43, if your round it. What ...

You might look into the original Canon 50mm f1.2 EF. An oldie but a...

I'm sure it was patent protected, a few decades back, and long expired.

@bmwzimmer It's Canon: the EF lenses already have aperture and focus motors. If the message set for the R lenses is a superset of the EF lenses, then all you need is basically a dumb extension...

@lacikuss "Just buy into M43, physics will always limit a FF system with extraordinary lenses."

It's the other way around. There's nothing M43 that can match the shallow DOF of the new 58mm f0.95...

The APS and 4/3 fast zooms are essentially FF designs with a speed-increasing "wide converter" rear end (like a Metabones adapter). That's why they have basically the weight and width of their FF...

@lancet it's unknown whether the new cameras have defeatable UV/IR blockers. If you want the best performance from a mirrorless, you integrate that filtration into the sensor cover glass, so you'd...

@Ed Ingold, the effect was negligible on telephotos. That's why they came with both glass and gel filter holders. Gelatin filters were thinner (and had a lower index of refraction) so the effect on...

I'd like more options with the crop feature. Some lenses, especially longer ones, have good coverage past APS-C, and lenses without internal baffles can do APS-C vertical or horizontal crops within...

@Grive You beat me to it. That's basically what I was going to say.

Or I'd put it at the end of "the stack" that I usually carry: 1.4x TC, 2x TC, 8, 12, 20, 36mm extension tubes...

RedFox88 "Lol, guess you’re not an engineer!"

I am an engineer. But it doesn't take an engineer to see that this is possible, because...

Nikon did it in their F to Z mount adapter.

kreislauf: so you want more features for less money? makes total sense.

Well, you are stripping out the mirror, along with its motion compensation system, and the heavy glass pentaprism....

Do you own polarizing sunglasses? Probably not, because modern tempered "safety glass" use in cars kinda put the kibosh on it. I have polarized Serengeti driving glasses, and they cause the whole...