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Zadak replied to the thread The Best and Worst of 2025.
Shouldn't a "perfect" astro lens be wider than 20?
EricN replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
I'm not sure if it's true, but I had seen people say there is no decrease in depth of field after f/1 (only more light is available)...
ISv replied to the thread Mushrooms And Fungi Of Any Kind.
And these are from today. For the first one I have no idea: what it did resembles to me from at a firs glance was the Pleurotus eryngii...
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tattwah replied to the thread Canon Officially Announces the Canon RF 45mm f/1.2 STM.
Owned both Canon (6D to R62) and Sony System (A72 to A7R2 to A7c), and my experience is that the colours of the Sony system is not as...
ISv replied to the thread Show your Bird Portraits.
From today: checked if the "strange Waxbills" are still there. They were and actually I did see one more partially leucistic Waxbill -...
neuroanatomist replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
Just to add, this practice is necessary to compare different formats. It’s how DoF calculators work, it’s how dynamic range is compared...
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Quack replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
There are 2 aspects to light/exposure/noise that might be important to photographers. And are often confused. Your f-ratio measures...
AlanF replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
It’s a pleasure to reply to a question from someone who is appreciative.
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SereneSpeed replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
Thank you both for the explanation and the diagrams - very helpful.
It seems to me that there’s a large divide between the popular...
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erader replied to the thread The Best and Worst of 2025.
that 20 might be the perfect astro lens
m4ndr4ke replied to the thread The Best and Worst of 2025.
It is very good indeed, it's currently the most tempting lens to me, and I'm still biting my nails because I didn't buy it last week for...
neuroanatomist replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
Perhaps a graphical illustration of what @AlanF explained.
If you look at the FF vs. crop mode images like this, then there is no...
AlanF replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
It's because the Photographic DR is measured on an image enlarged to a specific standard size. For the FF, the whole image is enlarged...
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Mekos replied to the thread The Best and Worst of 2025.
Best "compact"? For sure the Fujifilm X-E5 !!!
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Mikehit replied to the thread Canon EF 600mm f$ Mkii playing up.
Helpful as ever....you're a star! I'll give them a go.
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SereneSpeed replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
I have a very deep practical understanding of how a camera works and follow most of the details discussed above. However, the above...
Walrus replied to the thread The Best and Worst of 2025.
I'd say the 45 f1.2 is definitely the worst of 2025
AlanF replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
@neuroanatomist Our posts closely followed in the ether. At least I used different examples from you, and also poured a bucket of water!
AlanF replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
No!! You are confusing engineering DR, which is the DR of a single pixel, with photographic DR, which is the DR of the collection of...
neuroanatomist replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
When you take a picture with one pixel, let us know and we'll be happy to agree that the DR of your picture is determined mainly by the...
neuroanatomist replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
No. But, if you ever find your way out of the circle of confusion that you are clearly trapped within, perhaps then you'll understand...
justaCanonuser replied to the thread Canon EOS R7 Mark II to Have Stacked 40MP Sensor?.
No, the pixel size does affect DR, I learned that from a Zeiss engineer involved in the development of smartphone camera lenses. To put...
Click replied to the thread Bored out of my mind.
Another very nice series. I really like the choice of subjects in your photos.
justaCanonuser replied to the thread The Best and Worst of 2025.
I made my wife gift with a Nikon Z5 II and the Nikkor 600mm f/6.3 to give her a little, gentle push from the her Nikon DSLRs into the ML...
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