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Good point Dave about the lens...I was going to mention that but after typing that book, my fingers were tired.
I just want to mention that while the APS sensor is smaller and the lens factors are in there, sensors have increased in quality so much that an APS sensor is better that the full chip sensor of a few generations ago. The ISO collection is phenomenal, the 7500 has an add on capability of just over one million ISO....yup....one million....now the photos would suck but that is huge for many folks....cops come to mind....working at night in LE I have sat in cars trying to do surveillance photos...waiting for some mope to walk under a street light so the photo will be some better.....or no photos suck anymore than night vision photos!
Splint as you said, sensor yield red/green/blue, but the ability for the sensor and the lens to focus the blue spectrum is directly related to sharpness. Remember blue is the UV spectrum and the most dominant.
To put it all in perspective, I shot for 3 years with 8 meg cameras, and regularly made 20 x24's. They were every bit as good as what my medium format hasselblad photos were. At least for an indivdual or a couple.....when I went to 12 and 24 mg cameras I could see the difference in the edge sharpness of people faces in large groups where people were edge to edge. When I retired we were using a digital hasselblad 60. That means they were 60 meg. They filled my drives on my server quickly but yielded the best images of digital I have ever seen. It weighed 11 lbs and cost a little under 20k and really only worked well when tethered to a laptop....I did not take it out of the studio. It had its own camera stand ( a one legged stand with three wheels) with a laptop dock attached to it.
Also another factor is the conversion software....raw to jpeg....we used a product by Capture one....it has so much control it is not funny.....it makes light room look like a joke...but it was 1200.00 per copy and only really lasted as long as the cameras you used were current.
My point is there are two ends of the spectrum....photos only need to be as good as what you are pleased with. Much like our lathes and TS's......I know some guys that have what I consider to be lousy tools and do work 5x what I can do with my tools that I have paid a ton for. Most of the 50 or 100 focus points or 10 gen sensors or wifi or bluetooth, is really only a Sales point for the Company. But I am predjudiced toward the Camera companies. They intentionally drove smaller camera stores out of busniess, so they could get rid of Reps, literature, Point of sale things, Tech Reps and shrink customer service. It was intentional, I had many friends with in the companies and they said their goal was to have less than 100 customers that were all massive. A VP of Nikon that was the manager of the Camera Division for North America got an email from a Tech Rep that said that by driving Camera Stores out of business there would be no one to educate the public on how to use DSLR's. His response was that then they will sell the public a point and shoot too! The tech rep was layed off the following week and he forwarded these emails to a National Newsletter rag, and they printed it. At that point we were making 5 to 7 % on a new Camera sold, they set the MSRP. Then they raised the minimum to 100 k per year for purchases then 200K....later. At that point that meant that the smaller point and shoots we were making 7 to $10. They were riding high, with DSLR's, camcorders and Point and shoots...then Cell phones came along and got better and better....the Point and shoot market is a pittance of what it was....like 5%.....I couldn't be happier for them. They ised to million dollar booths at PMA our national trade show....now they have 1/4 of that at CES...they ultimately drove PMA (Photo Marketing Assoc) out of business because the Camera stores are all gone.....That coupled with the demise of photo processing because of digital...I was lucky I kept my store and studio for 30 years and was retirement age and had planned to retire anyway....
I just want to mention that while the APS sensor is smaller and the lens factors are in there, sensors have increased in quality so much that an APS sensor is better that the full chip sensor of a few generations ago. The ISO collection is phenomenal, the 7500 has an add on capability of just over one million ISO....yup....one million....now the photos would suck but that is huge for many folks....cops come to mind....working at night in LE I have sat in cars trying to do surveillance photos...waiting for some mope to walk under a street light so the photo will be some better.....or no photos suck anymore than night vision photos!
Splint as you said, sensor yield red/green/blue, but the ability for the sensor and the lens to focus the blue spectrum is directly related to sharpness. Remember blue is the UV spectrum and the most dominant.
To put it all in perspective, I shot for 3 years with 8 meg cameras, and regularly made 20 x24's. They were every bit as good as what my medium format hasselblad photos were. At least for an indivdual or a couple.....when I went to 12 and 24 mg cameras I could see the difference in the edge sharpness of people faces in large groups where people were edge to edge. When I retired we were using a digital hasselblad 60. That means they were 60 meg. They filled my drives on my server quickly but yielded the best images of digital I have ever seen. It weighed 11 lbs and cost a little under 20k and really only worked well when tethered to a laptop....I did not take it out of the studio. It had its own camera stand ( a one legged stand with three wheels) with a laptop dock attached to it.
Also another factor is the conversion software....raw to jpeg....we used a product by Capture one....it has so much control it is not funny.....it makes light room look like a joke...but it was 1200.00 per copy and only really lasted as long as the cameras you used were current.
My point is there are two ends of the spectrum....photos only need to be as good as what you are pleased with. Much like our lathes and TS's......I know some guys that have what I consider to be lousy tools and do work 5x what I can do with my tools that I have paid a ton for. Most of the 50 or 100 focus points or 10 gen sensors or wifi or bluetooth, is really only a Sales point for the Company. But I am predjudiced toward the Camera companies. They intentionally drove smaller camera stores out of busniess, so they could get rid of Reps, literature, Point of sale things, Tech Reps and shrink customer service. It was intentional, I had many friends with in the companies and they said their goal was to have less than 100 customers that were all massive. A VP of Nikon that was the manager of the Camera Division for North America got an email from a Tech Rep that said that by driving Camera Stores out of business there would be no one to educate the public on how to use DSLR's. His response was that then they will sell the public a point and shoot too! The tech rep was layed off the following week and he forwarded these emails to a National Newsletter rag, and they printed it. At that point we were making 5 to 7 % on a new Camera sold, they set the MSRP. Then they raised the minimum to 100 k per year for purchases then 200K....later. At that point that meant that the smaller point and shoots we were making 7 to $10. They were riding high, with DSLR's, camcorders and Point and shoots...then Cell phones came along and got better and better....the Point and shoot market is a pittance of what it was....like 5%.....I couldn't be happier for them. They ised to million dollar booths at PMA our national trade show....now they have 1/4 of that at CES...they ultimately drove PMA (Photo Marketing Assoc) out of business because the Camera stores are all gone.....That coupled with the demise of photo processing because of digital...I was lucky I kept my store and studio for 30 years and was retirement age and had planned to retire anyway....
Mike
