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Forum: Photographic Industry and Professionals 09-27-2018, 10:44 AM  
So glad Pentax isn't making a mirrorless now!
Posted By richard0170
Replies: 69
Views: 3,879
I personally would like Pentax to do a mirrorless camera with EVF provided they managed to achieve the following:-
1. APSc sensor - the EVF would appear bigger than an optical viewfinder found on any DSLR. FF does not need EVF as the image is already big enough.
2. Keep the K mount - too many legacy lenses in existence to be pfaffing around with a new mount - the EVF would be beneficial for all those M42 lenses.
3. Keep the price competitive and the build quality high - this is what Pentax are good at - eg K5/3 range and K1
4. Keep the user interface from the current DSLRs. They are good and we are used to it.
I do not care if the video sucks or the AF is not up to the esoteric standards we see from Fuji or Sony. My K3 AF is fine for all I need.
I do not care if there is no LED display. I never use mine on my K3 - why it has one I do not know as there is a much more informative display on the back.
A tilty flippy screen would be nice, as would 2 SD card slots but not essential.
I fully expect Pentax to do none of the above - but I can dream.
Forum: Photographic Industry and Professionals 09-07-2018, 01:34 AM  
So glad Pentax isn't making a mirrorless now!
Posted By richard0170
Replies: 69
Views: 3,879
So just to show that Pentax do not need to change to a new mount if they went mirrorless is a few pictures of a Minolta 21mm lens for the SR/MC/MD cameras of yore. The lens barrel fits inside void of the flange distance and where the mirror goes. On the SLRs the mirror needless to say has to locked up to fit the lens. Not a problem with a mirrorless camera. This lens can even be fitted to Leica M mount with an adaptor.
Forum: Photographic Industry and Professionals 09-07-2018, 01:19 AM  
So glad Pentax isn't making a mirrorless now!
Posted By richard0170
Replies: 69
Views: 3,879
This thread has really got me thinking. So I decided to do a bit of research. Most FF SLR mounts have a flange distance of round 45-46mm. This means that any lens above this focal length does not need complicated optics to focus on the sensor. Therefore a "normal"prime of 50mm for any FF camera should be around the same length. I decided to test this out with a simple experiment. I took photos of a couple of old film SLRs with similar lenses - Pentax K2 with 50mm M f1.7 and Canon EF with 50mm FD f1.8, together with an "original mirrorless" - Voigtlander Vito IIc with 50mm f3.5. You will see from the images that the front to back depth of all these cameras is remarkably similar. I have also shown as a comparison an Olympus XA with a 35mm f2.8 lens what can be achieved depth wise if you have a wide angle lens on a mirrorless FF camera. All of these lenses are of high optical quality.
So there is no advantage of FF mirrorless over a DSLR size wise when using normal or telephoto lenses, other than the possibility of saving some weight by losing the pentaprism and its attendant hump. The advantage of FF mirrorless size wise, should be the ability to have compact and high quality wide angle lenses. Guess what no one is making any! It is almost as if the lenses manufacturers have a ***** envy size wise. I know that by showing the XA I was being a bit extreme but just check out images for Leica M, Voigtlander M and LTM and Contax G mount wide angle lenses, attached to their respective cameras. I would have shown you comparison photos myself but I am not lucky enough to have anything from these RF systems.
As for the new Nikon Z 50mm f1.8 it is ridiculously large and bloated, and expensive to boot. If it is a commercial succes it won't be Nikon that have lost their minds but their customers.
Forum: Photographic Industry and Professionals 09-06-2018, 04:08 PM  
So glad Pentax isn't making a mirrorless now!
Posted By richard0170
Replies: 69
Views: 3,879
Giving this more thought, remembering when I was buying my K3, I liked the XT1 and the OMD EM5 - Why! Despite their relatively small sensors they had big viewfinder displays, whereas the APSc one of a DSLR is a bit small if we are honest. So, to me, the real advantage of mirrorless is the ability to get a good sized viewfinder display despite the sensor being small. Which therefore begs the question why FF mirrorless, when FF SLR viewfinders hive a good sized image anyway? For many purposes, although clearly not all, smaller sensors have many advantages over FF. I am beginning to think the pursuit of FF mirrorless is a bit of a misguided step. Bigger is not always better
Forum: Photographic Industry and Professionals 09-05-2018, 05:49 PM  
So glad Pentax isn't making a mirrorless now!
Posted By richard0170
Replies: 69
Views: 3,879
Having read the article I can see the real reason mirrorless will win out in future - manufacturing cost. Personally , having played, fiddled and lusted after some mirrorless options prior to buying my K3 in Sept 2015, I do not care either way, whether my camera has an optical or electronic viewfinder.If Pentax do go down the mirrorless route I do hope they keep the same lens mount as one of the major reasons for my decision back then was the backward compatibility with lots of legacy glass. A requirement I would still want in any future purchase. As an enthusiast rather than a pro, I can not afford to keep changing systems.
Clearly Nikon did not bother to read the article or chose to ignore it, before producing their new Z range - OOPS!
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