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Forum: Lens Clubs 1 Hour Ago  
The 15mm Limited controls my mind - club
Posted By UncleVanya
Replies: 12,056
Views: 2,215,196
Great story. I wonder how he acquired a taste for flashes!
Forum: Pentax SLR Lens Discussion 1 Hour Ago  
Where have all the f/3.5-4.5 zooms gone?
Posted By UncleVanya
Replies: 7
Views: 315
Quite a few longer zoom ranges were available with the f3.5-4.5 aperture range in question. The 35-135 was one I used for a long time on my film PZ-1. What I see in looking back is that the longer lenses tended to end with f5.6 but the shorter often ended their open aperture range at f4.5 rather than slower.

SMC Pentax-F 35-135mm F3.5-4.5 Reviews - F Zoom Lenses - Pentax Lens Reviews & Lens Database

SMC Pentax-FA 24-90mm F3.5-4.5 AL [IF] Reviews - FA Zoom Lenses - Pentax Lens Reviews & Lens Database

SMC Pentax-A 35-210mm F3.5-4.5 Reviews - A Zoom Lenses - Pentax Lens Reviews & Lens Database
Forum: Pentax K-3 III 2 Hours Ago  
Just purchased a K-3 III
Posted By UncleVanya
Replies: 12
Views: 585
I don’t have the k3iii only the original k-3 and a KP. Both of those have a section where you write that info in. The watermark is another approach but it is mostly ignorance that causes a lack of attribution. Willful stealing is another issue that is difficult to fix.
Forum: Pentax K-3 III 4 Hours Ago  
Just purchased a K-3 III
Posted By UncleVanya
Replies: 12
Views: 585
I would write copyright info into your files Exif.
Forum: Pentax SLR Lens Discussion 6 Hours Ago  
Where have all the f/3.5-4.5 zooms gone?
Posted By UncleVanya
Replies: 7
Views: 315
Actually I’m seeing a lot of f4-5.6 zooms and I think that’s due to the changes in high iso functionality. I think there’sa tolerance for slower lenses that comes from being able to shoot at higher iso. Look at the 55-300 PLM as another example of aperture getting slower. Size and weight are very important to todays consumer.
Forum: Pentax K-1 & K-1 II 17 Hours Ago  
Most used lens for Landscapes?
Posted By UncleVanya
Replies: 32
Views: 1,099
Like so many others I’d say whatever fits the subject works best. The lens I use depends on the kit I’m carrying. This weekend I carried a little Sony RX100 IV and got this shot:

Fire, Water, & Wind by -vanya_42nd-

This shot would be better potentially if I had used my KP and the HD DA 20-40, but that was more gear than I had room for on this trip.

The point is, you use what you have far better than you use what you left at home.
Forum: Canon, Nikon, Sony, and Other Camera Brands 1 Day Ago  
The Sony A7 series picture thread -- bring your base, S, and R pics here!
Posted By UncleVanya
Replies: 222
Views: 30,305
The dog with the mushroom is a great shot.
Forum: Weekly Photo Challenges 1 Day Ago  
Caption Contest Caption Contest 26th Sept-2 Oct 2022
Posted By UncleVanya
Replies: 4
Views: 130
“We’re gonna need a bigger boat…” cue the jaws music.
Forum: Vintage Cameras and Equipment 1 Day Ago  
AGFA Ambi SIlette (1957-8)
Posted By UncleVanya
Replies: 1
Views: 132
Very cool camera. Nice images - the mural in particular is nicely framed and grabs attention.
Forum: Photographic Technique 1 Day Ago  
Portrait Lens - First Family Shoot
Posted By UncleVanya
Replies: 14
Views: 607
Your images are overall very good. My one concern is that your iso was much higher than it needed to be. By lowering the shutter speed a bit you could have kept the iso lower which would give you lower noise and better dynamic range. How much of a difference in final images this would make depends a lot on how the images will be delivered and used.
Forum: Pentax Medium Format 2 Days Ago  
Are my 135 and 200mm lenses really getting infinity? have big doubts.
Posted By UncleVanya
Replies: 9
Views: 634
That much error in adapter length is unheard of. Typically the error is the other way and very very small. Most adapters are intentionally made slightly shorter than it’s “correct” To ensure that users can reach infinity. This is one reason that the corners of wide angle shots using adapted lenses on mirrorless cameras can be really soft unless the adapter is very precise.
Forum: Canon, Nikon, Sony, and Other Camera Brands 2 Days Ago  
Thinking of getting a Nikon FF DSLR
Posted By UncleVanya
Replies: 60
Views: 2,071
That’s optimistic but possible. Most however would run more like $2500 and over $3000 with the newer VR II lens. The Nikon is a good lens but I think the D FA beats it from what I’ve read. The D850 is a nice body. I had no trouble using one the other day to take a group portrait using another photographer’s gear (he was in the picture).
Forum: Pentax K-5 & K-5 II 2 Days Ago  
K-5 vs. K-5 IIs
Posted By UncleVanya
Replies: 8
Views: 585
Forum: Pentax SLR Lens Discussion 2 Days Ago  
I have a Tamron 90mm Macro, would adding a 35mm or 50mm Macro do anything for me?
Posted By UncleVanya
Replies: 31
Views: 796
Scratching my head also.
Forum: Photographic Technique 2 Days Ago  
Portrait Lens - First Family Shoot
Posted By UncleVanya
Replies: 14
Views: 607
As said earlier there are many ways to do this. I would personally have leaned toward the longest focal length of the lens 70 or 105) and shot with the group a little separated from the background. I’d have tried to move back to allow for the framing needed. If that proved impractical I’d have used wider but tried to stick to at least 40mm.

Using a flash to add fill light and get catch light to show in the eyes is a great way to really make the images stand out. Keep the flash subtle and no one will quite know why the images are better than normal.

I’m interested in hearing how it went. Sample images if possible would add to the discussion.
Forum: Photographic Technique 3 Days Ago  
Portrait Lens - First Family Shoot
Posted By UncleVanya
Replies: 14
Views: 607
Which size sensor? If FF (K-1) which I assume, the 28-105 should be nice for most shots if you can keep the background less busy or use the long end of the zoom range and keep the background a ways away from the subjects. This makes it easier to get sufficient depth of field and a nice background look.

The 24-70 will offer a little more opportunity for shallow depth of field but may be harder to keep groups in focus with at the lower f stop numbers.
Forum: Pentax SLR Lens Discussion 3 Days Ago  
I have a Tamron 90mm Macro, would adding a 35mm or 50mm Macro do anything for me?
Posted By UncleVanya
Replies: 31
Views: 796
I thought I had read that Depth of field is based on magnification at macro distances and not focal length. My own experience is that only at less magnified “close focus” distances do you see much difference (if any) in actual depth of field. Obviously once you move back to typical non-macro distances then the focal length impact to depth of field start becoming apparent.
Forum: Pentax SLR Lens Discussion 3 Days Ago  
I have a Tamron 90mm Macro, would adding a 35mm or 50mm Macro do anything for me?
Posted By UncleVanya
Replies: 31
Views: 796
I would amend that to say capable of 1:1 on the sensor. A small sensor doesn’t change the 1:1 requirement nor does a large one. I would also suggest that 1:1 is more than most people need for interesting close focus shots and 1:2 was the standard for “macro” lenses for a while despite the definition of macro being 1:1.
Forum: Pentax K-3 III 3 Days Ago  
K3 Mk3 has Failed
Posted By UncleVanya
Replies: 14
Views: 1,469
Any word on the repair?
Forum: Pentax SLR Lens Discussion 3 Days Ago  
I have a Tamron 90mm Macro, would adding a 35mm or 50mm Macro do anything for me?
Posted By UncleVanya
Replies: 31
Views: 796
The main difference besides working distance is perspective. The background using the different focal lengths will be quite different. This is more apparent when you are at less than 1:1 but you can see differences depending on the specifics of the subject.

I can’t find any good example articles right now but this one illustrates the working distance factors well:

Working with Different Focal Lengths for Macro Photography
Forum: Mini-Challenges, Games, and Photo Stories 4 Days Ago  
Thematic Shadow Selfies
Posted By UncleVanya
Replies: 106
Views: 5,673
That’s a neat shot. Well thought out.
Forum: Troubleshooting and Beginner Help 4 Days Ago  
Uploading raw files to Amazon Photos
Posted By UncleVanya
Replies: 17
Views: 663
That’s conflating SaaS with cloud. A cloud platform underlies the Amazon SaaS service. The service offering could change and that doesn’t care about the platform. If they were just a bunch of physical servers the situation with respect to service longevity would likely be worse certainly no better.

The fact that it’s a value added service tacked onto prime and not free makes it more likely to stick around but proving and limits could shift. I’d personally bet files on Amazon are safer than files on a home nas. But only a little. As stated earlier by another person; multiple copies with some stored offsite are your best protection.

---------- Post added 09-22-22 at 05:51 PM ----------

In fact the Flickr transition post acquisition by smugmug was a prime example of cloud economics - the old deployment model wasn’t cloud based and cost an ever increasing amount to maintain. The shift to cloud plus the reduction of the unpaid file burden made the service viable. I think they handled the shift pretty gracefully.
Forum: Pentax Full Frame 4 Days Ago  
Pentax K-1 mark iii
Posted By UncleVanya
Replies: 55
Views: 2,768
The 42mp sensor is the best of the Sony sensors in many ways but the 36 is very close. 33mp sensor is also excellent. The 61mp I’ve not had a lot of desire for but that’s a meaningful jump for sure.
Forum: Canon, Nikon, Sony, and Other Camera Brands 5 Days Ago  
So how about the new OM-1?
Posted By UncleVanya
Replies: 29
Views: 4,613
OM is so new I expect they will fall on their faces a few times before it gets better.
Forum: Welcomes and Introductions 5 Days Ago  
Thanks for welcoming mt to the Group
Posted By UncleVanya
Replies: 7
Views: 258
When a company standardizes on a camera it can make sense even if the photographer brings his own equipment. This mainly is when they have custom profiles and specific software workflow after the images are shot. If the photo delivers final product to an individual client they shouldn’t ask or care about it.
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