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Forum: General Talk 4 Days Ago  
Trail Hiking / Walking Shoes?
Posted By rogerstg
Replies: 35
Views: 998
Same here. I've walked such boots dry on the rare occasions that a misstep caused flooding. In those cases, I've simply removed the boot and poured/wrung out excess water before continuing. OTOH, I regularly hike through wet grass and rainy conditions.
Forum: General Photography 05-16-2021, 12:06 PM  
Give them a reason why to get into photography
Posted By rogerstg
Replies: 29
Views: 1,103
I have a hard time suggesting Pentax to anyone with the inclination to get something that takes better photos than their cell phone and wants to make the leap to a DSLR. I usually suggest one of the Canon EOS Rebels. Less expensive to start and much more bang for the buck at the entry level with far more aftermarket options for lenses.

I'm not planning on giving up my Pentaxs anytime soon, just like I don't plan on replacing my 1950s Stevens 16ga side by side shotgun for upland hunting. Neither would I recommend to a beginner though.
Forum: Pentax DSLR Discussion 05-16-2021, 10:50 AM  
CMOS sensor cleaning liquid from drugstore...
Posted By rogerstg
Replies: 17
Views: 748
Glass, iirc
Forum: Lens Clubs 05-16-2021, 07:12 AM  
300mm plus Lens Club: discuss your long lenses
Posted By rogerstg
Replies: 36,303
Views: 3,725,645
It might not help enough, but with the paper thin DOF of the robin shot, it appears to be slightly back focused.
Forum: Pentax K-1 & K-1 II 05-16-2021, 06:15 AM  
K1 and Sigma 150-500mm OS
Posted By rogerstg
Replies: 10
Views: 854
FWIW, it works the same on the KP as on the K1.
Forum: Pentax Camera and Field Accessories 05-16-2021, 05:55 AM  
Ball head as a leveling base
Posted By rogerstg
Replies: 27
Views: 932
Not if you're using the panning base for creating a stitched panorama. The more unlevel the base, the more top and bottom waste when stiching.

---------- Post added 05-16-21 at 09:03 AM ----------



Good point. It only works if keeping everything level. Besides, even if all is level, it seems to be trading the inconvenience of leveling the tripod with the inconvenience of uninstalling, flipping and reinstalling the head.
Forum: Troubleshooting and Beginner Help 05-15-2021, 10:13 AM  
DA 35mm 2.4 Focus Problem
Posted By rogerstg
Replies: 25
Views: 859
Is your firmware up to date on those cameras?
Software Downloads : Support & Service | RICOH IMAGING
Forum: Pentax Camera and Field Accessories 05-15-2021, 05:58 AM  
Ball head as a leveling base
Posted By rogerstg
Replies: 27
Views: 932
That's very clever! Now I'm thinking that this might be done with many ball heads where the clamp is held to the head with a 3/8 screw.
Forum: Pentax Camera and Field Accessories 05-15-2021, 05:35 AM  
Drilling a hole in the Feisol CT 3342 tripod.
Posted By rogerstg
Replies: 11
Views: 607
I've found that with similar set ups, the pressure of the screws deflects the bottom metal of the head, causing the panning function to be less smooth. That was with 2 tension screws, not three, but I found that I didn't really need them after all since it would be immediately noticeable if the head became loose on the tripod. That might be why Feisol does not use them.
Forum: Pentax KP 05-13-2021, 06:55 AM  
KP wildlife/bird set up
Posted By rogerstg
Replies: 19
Views: 749
I too have a Sigma 150-500 and a Sigma 50-500 since both my wife and I were interested in wildlife photography. There's nothing wrong with those, but if it were just for one of us, with what I know now, I'd opt for the DA 300 f/4 with a TC or the FA 150-450mm.
Forum: Pentax SLR Lens Discussion 05-12-2021, 11:11 AM  
Pentax 28mm shift lenses grossly overpriced.
Posted By rogerstg
Replies: 21
Views: 926
Don't know what your looking for, but there's a mint Sigma 10-20 in the Marketplace. I'd have bought if I didn't already have one and a DA 12-24.
Forum: Pentax SLR Lens Discussion 05-11-2021, 02:58 PM  
Pentax 28mm shift lenses grossly overpriced.
Posted By rogerstg
Replies: 21
Views: 926
You should be able to get one for $450ish if you're diligent. To determine value, you need to look at the sold listings, not available listings. Overpriced items will always be listed as available, while fairly priced items do not last too long.
Forum: Pentax K-3 III 05-11-2021, 02:13 PM  
DPReview TV gets with the K-3iii
Posted By rogerstg
Replies: 97
Views: 5,353
"machine-gun their cameras"? Hey, I resemble that remark!:D

The reason burst shooting has been standard technique for wildlife is because it's effective. If one waits for the decisive moment, they'll miss it. As mtkeller alludes, most "machine gunners" use short bursts when they anticipate a decisive moment is happening. It's uncommon to miss something spectacular because of a full buffer. That's reality. It's not new to digital either. Wildlife photographers were using motor drives and 250+ exp film backs since they became available. Now, with digital, more people have access to the technique, and it doesn't cost a fortune in film and processing either.

It's the nature of internet discourse for nuanced information to be condensed, regurgitated and simplified until only a conclusion remains. Prediction:- Camera A is capable of taking x shots before the buffer is full. Camera B can take x + y. That's valid, but assuming for discussion that 99.9 percent of the time, bursts are fewer than 1/3x frames, it hardly matters. But this becomes a decision point: A's buffer is inferior to B's. And eventually it becomes: A's buffer sucks.

I've watched it happen with battery capacity. A camera using a battery with capacity of ~400 shots is terrible because it's half the capacity of a competitor. This, despite the fact that most users shoot fewer than one hundred frames in a day, and anyone shooting something important has a spare battery, no matter the capacity.
Forum: Pentax KP 05-09-2021, 05:41 AM  
First trip out using the KP
Posted By rogerstg
Replies: 22
Views: 951
I normally use OVF for wildlife, and leave focus peaking off so that I use Highlight Alert. I quickly switch in and out of LV to survey the scene for overexposure of important areas.
Forum: Pentax News and Rumors 05-08-2021, 04:32 PM  
AF-C of K-3III is impressive
Posted By rogerstg
Replies: 632
Views: 59,434
African or European swallow? :lol:
Forum: Troubleshooting and Beginner Help 05-08-2021, 02:04 PM  
Help ! Cleaning a focusing screen
Posted By rogerstg
Replies: 29
Views: 932
I've dried them with canned air; never a problem. You need to use a light application. Blast away and/or shake the can as you use it and you risk forcing propellant onto the screen. That's why I only mentioned the way I do it. It's up to individuals to learn to use tools correctly.
Forum: Troubleshooting and Beginner Help 05-08-2021, 11:34 AM  
Help ! Cleaning a focusing screen
Posted By rogerstg
Replies: 29
Views: 932
I think that the last thing I would try would be to briefly soak the screen entirely in iso, then, while still wet, rinse it well with distilled water. I usually dry them by holding the screen vertically and touching the bottom edge to a paper towel. I finish with a light application of canned air.
Forum: Pentax KP 05-08-2021, 09:02 AM  
First trip out using the KP
Posted By rogerstg
Replies: 22
Views: 951
It can be tricky with things like bald eagles with a white head and dark body, especially in sunshine. Normal exposure will usually blow out parts of the head, losing feather detail. This has bit me in the butt when shooting bald eagles in the wild.

I'm more aware now and will scan the scene in live view with highlight alert activated. It's easy to dial in the compensation or exposure needed while watching for flashing red. It's also a good tool for adding exposure when exposing to the right to gain detail in darker areas. If there's no time or opportunity, I'll often start with -1ev, but try to keep ISO low to minimize grain when lightening darker areas.

It's important to know that highlight alert in live view will not work if focus peaking is activated, at least it's that way with the KP.
Forum: Pentax K-3 III 05-07-2021, 10:58 AM  
What battery charger is recommended for the K3iii battery?
Posted By rogerstg
Replies: 26
Views: 1,071
I use a DSTE charger I found on Amazon, but it's for KP batteries. I don't have a K3/3, yet.
Forum: Pentax K-3 III 05-07-2021, 05:44 AM  
What battery charger is recommended for the K3iii battery?
Posted By rogerstg
Replies: 26
Views: 1,071
It's not uncommon. It is said that rapid charging leads to shorter battery life overall. That may be true, but who knows how much it means in real life? Generally, I have found that Pentax chargers are usually slower than aftermarket chargers for the same batteries. I tend to use Pentax chargers at home, and aftermarket when traveling, though not only for speed, but for added versatility like car charging.
Forum: Pentax SLR Lens Discussion 05-06-2021, 05:06 AM  
Pentax DA 35mm F2.4 not sharp... well I don't think so!
Posted By rogerstg
Replies: 38
Views: 1,349
And it's a lens to use when letting interested youngsters have a go at using a DSLR. Maybe I'm just rationalizing my tendencies toward hoarding. ;-)
Forum: Pentax SLR Lens Discussion 05-05-2021, 05:25 PM  
Pentax DA 35mm F2.4 not sharp... well I don't think so!
Posted By rogerstg
Replies: 38
Views: 1,349
Especially at 10mb. Unlike film, a raw digital image is never very sharp.

The first photo had some rudimentary processing done. The second did not. The lens seems to render well.
Forum: Pentax News and Rumors 05-05-2021, 05:22 AM  
AF-C of K-3III is impressive
Posted By rogerstg
Replies: 632
Views: 59,434
With the DA* 50-135? That has not been my experience. It's not PLM fast (nothing is), but much faster than any of my screw drives and seems faster than my Sigma HSM lenses.

I'm most impressed, technologically, with shots of the car coming toward the photographer. Good panning technique handles moving shots across the focal plane, but only software/hardware can account for a rapidly changing focal plane and anticipate where focus will be a split second after the shutter is pressed. Nice!
Forum: General Photography 05-03-2021, 03:38 PM  
Water condensing/freezing
Posted By rogerstg
Replies: 21
Views: 658
(expanding on your comment) Yes, and glass lens elements are also good conductors of heat, which is why we sometimes see frost inside the front element. As you pointed out, the barrel and metal chassis cool quicker, and since it's sort of a closed system, condensation occurs on those parts first. Condensation reduces the relative humidity of the remaining trapped air. Only in extreme situations like high indoor humidity (kitchen, bathroom, greenhouse, etc) followed by extreme cold are times I've experienced condensation inside the front element.

I suspect that the sensor and mirror box are the last places susceptible to condensation since the sensor and electronic components generate heat.
Forum: Pentax K-3 III 05-02-2021, 07:28 AM  
K3-iii, any news on Eye AF and Video Codec?
Posted By rogerstg
Replies: 50
Views: 3,033
So true, and from what I understand, it's important to "like" and better to "subscribe."
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