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Forum: Photographic Industry and Professionals 20 Hours Ago  
Wonder how much Fujifilm invested in medium format?
Posted By zapp
Replies: 12
Views: 592
Fujifilm invested in MF system to not compete directly with Canon, Nikon. Sony. Same reason why Pentax kept MF for the time being. I do not think that Pentax will continue with 645. DSLR niche with k-mount cameras should work. K-mount development is already slow, without serious efforts, 645 is dead.
MF now sees Fujifilm, China Hasselblad, Phase One systems, I would not bet on any of these system to survive many more years.
Forum: Pentax SLR Lens Discussion 20 Hours Ago  
Looking for the ultimate Prime...
Posted By zapp
Replies: 23
Views: 831
Travel: go small
Like * glass andparameters, go for / wait for DFA*

FA Ltd are not up to date wrt AF, weather sealing, purple fringing... max 1/f is not super large.
DFA* are large, heavy, expensive and draw differently from the Ltds.

I am waiting for DFA 21, but even more for a DFA* wide angle in the 28/35 range.
Forum: Pentax News and Rumors 1 Day Ago  
AF-C of K-3III is impressive
Posted By zapp
Replies: 163
Views: 15,658
Not many Pentax wide angles available for K1, but a nice 11-18 for real estate with APSC :-)
Forum: Pentax SLR Lens Discussion 5 Days Ago  
Poll: Another DA* 300mm vs D FA 150-450mm thread - specific question about resolving power
Posted By zapp
Replies: 20
Views: 1,178
Two completely different lenses. Both very well made. Zoom is better at native 450 mm. If you only compare by „sharpness“ you are missing out a lot.
Zoom is long and heavy, has slower f-stop. Zooming is more versatile. 300 is small for its class, slow AF, very nice package, f/4.
You can all the info above in reviews here.
Forum: Pentax DSLR Discussion 04-11-2021, 06:00 AM  
Rear flip viewfinders
Posted By zapp
Replies: 42
Views: 1,519
We are spoiled... K3iii would be much fatter with an articulated screen, heavier and more expensive. That’s it.
Forum: Pentax DSLR Discussion 04-11-2021, 05:49 AM  
Phase Matching AF or Phase Detect AF, one in the same?
Posted By zapp
Replies: 6
Views: 712
It is a lot more than semantics, but just by looking at the wording, you will not find out what each system does exactly or what the difference may be. Phase correlation is another possible name. Bring two sets of information on top of each other and align them as good as possible for an exact alignment. The algorithm should do that quickly. Quick and reliable calculation plus prediction where to find the best match is the art behind the math.
Forum: Pentax DSLR Discussion 04-06-2021, 10:39 PM  
Are cameras getting too boring = sophisticated?
Posted By zapp
Replies: 54
Views: 2,389
Technology raises the fun and can help a lot.
A real good image starts to form in your brain, but a good tool helps.
Forum: Pentax SLR Lens Discussion 04-06-2021, 10:37 PM  
Pentax DFA 70-210 f/4
Posted By zapp
Replies: 24
Views: 1,122
All your lenses on K1 should land close to zero or distribute evenly around zero. Otherwise get the camera adjusted. If only one lens is off, get the lens adjusted, things happen.
Be careful with tightened quick release screws in the tripod thread, they messed up my results. With and without screw fixed the results varied by 8 steps or so. I had my K1 „fixed“ afterwards, but suspect that this is a weak point.
Forum: Pentax SLR Lens Discussion 04-06-2021, 10:29 PM  
AF Fine adjustment,,,how do you do it?
Posted By zapp
Replies: 29
Views: 1,226
There is no official method and we do not know how Pentax uses the adjustments for individual lenses. Perfect infinite focus may not fit well for close range focus. Test the distance, f-stop and zoom settings you need and go from there. My portrait lenses are not optimized for infinity and wide open, my zooms are set for a decent result at all focal lengths wide open. A super tele should be calibrated at long distance.
Target size s also important 40x focal length is not always best.
Sigma allows for different correction in different focus ranges with PK dock.
Forum: Pentax News and Rumors 04-05-2021, 01:32 AM  
HD Pentax DA * 16-50mm F2.8ED PLM AW is the second one.
Posted By zapp
Replies: 379
Views: 36,311
Pentax has released some serious stuff lately. DA* 11-18 is a high end wide angle zoom that will sell in smaller numbers than a rebadged 24-70. DA* 16-50 will make the release of the K3iii much more complete and an updated 50-135 is obviously in the pipeline. A new APSC camera with all new * zooms all from Pentax. Nice.
FF gets updated ltds and has already seen two * primes, recently. Nice as well.
Pentax is not a bargain brand and produces some serious gear these days. Smaller spec bases are covered fine, these guys do very well.
Some more exotic glass would be nice as well... let’s buy more Pentax to see more releases.
Forum: Pentax K-3 III 04-03-2021, 03:42 AM  
DPReview first impressions Pentax K-3 III
Posted By zapp
Replies: 97
Views: 8,253
Not sure what the last sentence of the article means... upgrade? You add a K3iii to your K1, you do not upgrade.
Forum: Pentax News and Rumors 03-27-2021, 11:11 PM  
Nokishita - K-3iii to be released on April 23?
Posted By zapp
Replies: 231
Views: 16,022
Hm, time concentrate on zooms for DA and concentrate on *-primes for DFA. DA* super-wide and standard zooms look great. DFA 24-70 looks aged in comparison.
Forum: Pentax SLR Lens Discussion 03-27-2021, 11:07 PM  
What were the last 2 lens you purchased and why?
Posted By zapp
Replies: 80
Views: 3,401
77ltd because Pentax did not deliver the 85 in time
DFA85 when it became available
Forum: Pentax News and Rumors 03-05-2021, 11:32 AM  
All three FA Limiteds to be updated + K-1 Mark II J-Limited 01
Posted By zapp
Replies: 462
Views: 30,722
If yourself out of ideas and need money quickly, design a J.
Hasselblad would offer different colors.
Leica lives on limited editions.
Simple wins are no t easy for everyone though. Just do this or that type of talk does not help.
Forum: Pentax K-1 & K-1 II 02-28-2021, 10:52 PM  
Pentax K-1 reputation for "bulky and heavy" - is it deserved vs. competing cameras?
Posted By zapp
Replies: 83
Views: 4,382
The K1 (II) is bulky and heavy. Others are heavy or bulky or heavy & bulky. All these cameras do their job quite well. Reviews are subjective and you should handle a camera before you buy it.
Forum: Pentax News and Rumors 02-28-2021, 11:07 AM  
Tanaka san - Wakashiro san online seminar about K-3 III (CP+ 2021)
Posted By zapp
Replies: 135
Views: 13,567





QuoteOriginally posted by kwb Quote

[*]Wakashiro: "Motion prediction algorithm is much better too" for AF.C or some such.Tanaka: "Old lenses are slow for tracking" or some such. Wakashiro: "You'll feel the difference using 300mm lens, I think."
[



It is not the speed of the engine, but also the smart movement and focus prediction that makes the speed. A new 300 would probably also help.
Forum: Pentax News and Rumors 02-25-2021, 11:00 PM  
New K-3 III video from Ricoh: OVF face, eye and bird detection is coming.
Posted By zapp
Replies: 229
Views: 25,204
Camera still looks great. Now we also need lenses with fast AF. 16-50 is on the way, but fast AF typically pairs with tele glass, larger aperture tele glass. M3/4 offers such glass, Pentax is limited in this area.
Forum: Pentax News and Rumors 02-24-2021, 10:52 PM  
New K-3 III video from Ricoh: OVF face, eye and bird detection is coming.
Posted By zapp
Replies: 229
Views: 25,204
Wouldn’t it be nice to walk in a store and buy a K3iii with 16-50 right now. Even stores are closed these days.
Forum: Pentax SLR Lens Discussion 02-24-2021, 04:48 AM  
Rehoused Cine Lens Kit: Pentax M? K? A? Super Takumar?
Posted By zapp
Replies: 11
Views: 680
Rehousing of lenses is typically not done for individual lenses - a single copy of this and a single copy of that lens. Getting the right lens is not easy and rehousing is a difficutt and expensive process.
The questions is whether you are going for the vintage look of older glass or depth of field specialists or a line of special glass like FA ltds. Typically a line of 3-5 lenses make a full set, the 3 FA ltds just cover a certain range, but no real wide angle. I am sure Zeiss glass is rehoused offering a wide range of modern options.
Forum: Pentax SLR Lens Discussion 02-24-2021, 04:37 AM  
Crazy?? DA 21 (SMC) vs HD 18-50mm for very small walk-around lens
Posted By zapp
Replies: 90
Views: 4,231
You made your own decision by price and performance. Why should anyone be able to change your opinion just by writing.
Forum: Pentax News and Rumors 02-23-2021, 10:52 PM  
All three FA Limiteds to be updated + K-1 Mark II J-Limited 01
Posted By zapp
Replies: 462
Views: 30,722
Kii J Images are out. I feel a need to tell someone that this design is totally off. Just to make sure that it stays in Japan and will not influence general camera design.
Forum: Pentax News and Rumors 02-22-2021, 11:10 AM  
All three FA Limiteds to be updated + K-1 Mark II J-Limited 01
Posted By zapp
Replies: 462
Views: 30,722
What we see is s a honest update of a nice line of glass. Keep the basics in place and update the coatings. This puts a couple new lenses in the time line. N the background Pentax is working a really new designs, some already released. Nothing wrong about that. If you ask for new designs, you should also mention what is lacking. Many bases are covered, exotic glass would be interesting, but will not sell as well.
Forum: Pentax News and Rumors 02-21-2021, 11:39 PM  
HD 77mm f/1.8 LTD!
Posted By zapp
Replies: 97
Views: 6,896
Anyone waiting for this? Just a minor upgrade for future buyers. 77ltd wins over a DFA85 with smaller aperture for now. If the do the same for 31/43, what will be the new large aperture wide angle prime? Either they recycle 31HD or we can expect a f/1.4 design - I like the latter case.
Forum: Pentax News and Rumors 02-20-2021, 03:24 AM  
K3III Delayed... indefinitely
Posted By zapp
Replies: 509
Views: 31,916
Maybe the K5 is off here. You always have to look at all parts involved. Lens profiles take care of focus shift at different apertures - Pentax lenses that is. Pentax can zero the camera anywhere if your lens goes over the limit.
Forum: Pentax News and Rumors 02-18-2021, 06:11 AM  
K3III Delayed... indefinitely
Posted By zapp
Replies: 509
Views: 31,916
Sounds more like Pentax has real problems. Tweak software and get all the parts necessary in time for production. Everything else is set at this point - or the delay will be a year plus.

Development includes firmware/softeare development. These days cars are delivered without proper software - development is providing fixes after production and sales...
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