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danfaz replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
So you don't understand optics and lens design, but you know more about marketing lenses than camera manufacturers? Lol. In the heyday...
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Xpenelas replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
No manufacturer makes them cause there's no profitable market to do that, but integrated teleconverters are showing that you can squeeze...
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Test what? Just because a smaller sensor crops away the outer portion of the image circle doesn't mean a telephoto lens could be made...
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Xpenelas replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Just get a lens and test.
You can put an inferior diameter filter without vignetting or open more the diafragm without softening the...
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Yes, but I said properly understand. Clearly, you don't. Just because you prefer 'keeping the same FOV and exposure and letting the DOF...
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Sorry, but no. You can argue with physics, but you will lose. Every. Single. Time.
There is no 'unused diameter' to remove. With...
mangobutter replied to the thread Canon, please make this: RF 35mm pancake with weather sealing!.
id rather the 40 2.8 be resurrected for RF. i'm in love with its optical qualities. if canon can play with the EF 50 STM and repurpose...
mangobutter replied to the thread A Classic EF Lens Reaches the End of Production.
I love my beast of a lens, the 100-400L II. The all metal feel, aesthetic, and construction is top notch and the IQ is stellar. I...
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Bob Howland replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Are you serious? You're correct about the ISO and I modified my previous posing but I replied to your cited posting, three posts later...
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Xpenelas replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
No we want cause market is not enought, but, not cause the lenses couldn't be less size and weight. The smaller the image circle the...
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Must? No, you can change the ISO. Like all triangles, the exposure triangle has three sides.
It's been a few months since I posted a...
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Xpenelas replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
None of that equivalencies are true.
APS-C F4 needs just the same exposure for the same image. Just the DOF change affirmation are...
danfaz replied to the thread Landscapes.
Thank you, Click! 🙂
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Bob Howland replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
To maintain the same DOF for same FOV with differently sized sensors and the same subject distance (update: and the same ISO), the 15-70...
neuroanatomist replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
No, we won't. Not ever. Because physics. A 400/4 or 500/4 would be the same size and weight for an APS-C image circle as for a FF image...
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Mr. Warbucks replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Weight is the key differentiator imo. It would line up nicely with the 70-200 F4.0L lens, which is low weight as well. Wondering whether...
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zapper replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
He said "f/6.3 equivalent", which is (approximately) correct. It will take similar photos to a hypothetical 24-112mm f/6.4 full frame...
Nathalietje86 replied to the thread Are Three New PowerShots Coming in 2026?.
But that new compact travel zoom camera need to have raw instead of only jpeg.
Uneternal replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
f/4 ... meh. Not great, not terrible. Depending on the price.
But I guess I still keep my adapted Sigma 17-70mm f/2.8-4, which weighs...
Click replied to the thread Landscapes.
I really like your pictures. Lovely reflections in the first two.
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Bob Howland replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
It's not f/6.3. It's a 15-70 f/4 lens with the DOF of a 15-70 f/4 lens, regardless of the size of sensor. The only reason the DOF...
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Xpenelas replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
Distortion and vignetting on the 15-85 it's well corrected by digital correction, an RF version should be a lot smaller, like all...
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InternalRevenue replied to the thread A New Constant f/4 Aperture RF-S Zoom Coming.
If it comes with a nice weight and size reduction I wouldn’t be too miffed about the loss of focal length on the long end. The 15-85 had...
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