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Forum: Photo Critique 11-02-2018, 08:51 AM  
Landscape Golden Bridge
Posted By Patricia1066
Replies: 46
Views: 3,546
You caught a magical moment
Forum: Photographic Technique 11-01-2018, 08:01 AM  
Setting up K5ii in low light
Posted By Patricia1066
Replies: 15
Views: 1,440
Yes, DNG and Fastrawviewer to adjust exposure.


I cropped into a series of shoots. One was in a sunny garden, flowers particularly were affected by ISO of 6400, while there was noise in the window panes at 1600 and above.


I used the wrong ISO above - I was comparing ISO 51200 and 640, not 6400.
Forum: Photographic Technique 11-01-2018, 05:12 AM  
Setting up K5ii in low light
Posted By Patricia1066
Replies: 15
Views: 1,440
In very low light outdoors I contrasted two ISO levels, 51200 and 6400; aperture, shutter speed and flash were constant.


The high ISO picture had details in the far background, that were missing in the lower ISO picture, even after post processing to lift the shadows.


Indoors and in better light the low ISO has better results up to 3200.


I used the wrong ISO above - I was comparing ISO 51200 and 640, not 6400.
Forum: Photographic Technique 10-26-2018, 06:21 AM  
Setting up K5ii in low light
Posted By Patricia1066
Replies: 15
Views: 1,440
@dms I don't take jpg images, I was wondering how the jpg that is embedded in dng could be tweaked to more closely match the profile of the dng.

I will try the settings you mentioned.

@gub ISO invariance is another great thread, thanks for the link.

The most useful statement is that K5 is isoless above 1000, as this gives me more latitude on taking a camera approved exposure. I don't like having dark images on LCD, or having pp on every photo.

I found a tip on processing of underexposed dng files in Photoshop. I haven't tried it yet, any other beginner tutorials out there?

https://photographylife.com/fixing-partly-underexposed-images-in-photoshop
Forum: Photographic Technique 10-25-2018, 06:34 AM  
Setting up K5ii in low light
Posted By Patricia1066
Replies: 15
Views: 1,440
Thanks Stuart, a reply that gives me plenty to think on.

I'll certainly investigate fastrawviewer as it seems like a good tool for RAW, and has a RAW histogram. I didn't realize that our amazing cameras are interpreting jpg not RAW when giving preview and playback views.

"Raising the ISO decreases the noise that the camera produces, its the decrease in the exposure to accommodate the increase in iso that causes noise."

I have a question about this statement; i understand that within the native ISO range of the camera, raising the ISO improves the exposure, depending on the conditions.

By Decrease in exposure, do you mean -1EV? This creates noise?
Forum: Photographic Technique 10-25-2018, 02:59 AM  
Setting up K5ii in low light
Posted By Patricia1066
Replies: 15
Views: 1,440
Hi I have been taking a photography course, and am discovering manual controls of the camera K5ii

The "ISOless" sensor - PentaxForums.com

This discussion in 2011 which refers to research done in 2010 has been interesting, particularly to someone currently engaged in testing the device settings. My tests and others I have seen show real world no downside to using ISO up to 6400.

I would like to check if I understand what I read, and is it possible to create a user setting that ignores the exposure rating of the camera and provides a jpg that shows what pp can make of the RAW file taken at 100?

Original film photography used film emulsions which used a trade off between grain and details, so a faster shutter speed on ASA 400 has higher levels of grain, better exposure value than ASA100 film. A digital sensor counts photons. Changing ISO sensitivity on a DSLR is amplifying that light, after capture and conversion to an electrical signal.

As this can be done in post production, the exposure triangle theory that was inherited from the film exposure needs rework. The Pentax K5ii firmware is based on the exposure triangle theory, and with Auto ISO range set, will increase amplification even though it will lose detail (increase noise) by so doing. At least I can set a range from 80-6400 on auto-ISO.

Are there any benefits to high ISO like 51200? The jpg shown on the LCD will have a good exposure after the ISO has been increased, though this has poor dynamic range by comparison to the RAW file.
Forum: Flashes, Lighting, and Studio 10-24-2018, 02:54 AM  
Speedlight advice please
Posted By Patricia1066
Replies: 11
Views: 903
Thank you for your advice, and for the extraordinary community here. I hope I can pass it on once I have skills and experience.

I now have a secondhand Pentax AF-360FGZ and I am reading the manual to understand how to use it. It was a generous gift from a forum member.

It's a different option to the newer speedlights I was considering, and suits the k5ii as it's of same generation tech.

My class has covered exercises on shutter speed eg panning and freeze motion, ISO and exposure, soon to do studio lighting. I have not been doing creative photography just these exploratory shoots examining how changing the f-stop or ISO alters the picture.

It's hectic, but I'm learning a lot.
Forum: Flashes, Lighting, and Studio 10-11-2018, 09:23 AM  
Speedlight advice please
Posted By Patricia1066
Replies: 11
Views: 903
I checked on Amazon UK, and this model is unavailable.
@dharriman YN585EX is available in UK, 61 on Amazon and seems to cover my needs and budget.
Forum: Flashes, Lighting, and Studio 10-10-2018, 07:21 AM  
Speedlight advice please
Posted By Patricia1066
Replies: 11
Views: 903
Bernard, votre photographie c'est tres bonne.
Forgive my french, I am out of practice.

Occasionally Metz comes up on eBay here in UK, Mecablitz 52 AF-1 is available at a reasonable price, I'm seriously considering it
Forum: Flashes, Lighting, and Studio 10-10-2018, 04:42 AM  
Speedlight advice please
Posted By Patricia1066
Replies: 11
Views: 903
My photography class is soon expected to use a speedlight, and I have been reading up on the manual and automation options.
I use K5ii and the lens most often on the camera is Pentax-A 50mm, SMC DA 35mm, SMC DA 50-200mm
Our classwork involves portrait, action, still life, panning, zooming so I am considering a higher budget so I can afford the lighting that I need.

My tutor doesn't have experience with Pentax so I'm looking for advice on what to look for in reviews.

Budget 70 for manual, + for auto.

I am thinking of getting a remote intervalometer which is WiFi based, the Hahlnel Giga T Pro II Interval Timer/Wireless for canon.

I am going to use it in bulb mode, when no additional lighting will be needed.

It's capable of being programmed, so could this work with a speedlight and in what kind of shot?
Forum: Troubleshooting and Beginner Help 10-07-2018, 06:47 AM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
I chose the Neewer ball head, 360 panoramic and Neewer L plate.

All the suggested criteria are met, and I'm happy with the security of the camera using the supplied plate.

I also bought the Neewer L plate. This isn't compatible with the ball head unfortunately, and is currently secured with a rubber band which gives necessary grip to the clamp.

The quality of the ball head is very good, and the knobs provide effective control of the ball movement.

The L plate is very well finished, and can be fitted to the K5 leaving access to the battery and card slots.
Total 26 for both.
Forum: Troubleshooting and Beginner Help 10-05-2018, 03:47 PM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
Review here which slates the benro b0 head, even a kit lens caused creep as the b0 just couldn't support camera and lens safely.

Review: Benro Travel Angel A-1691TB0 - The Phoblographer

Probably will get the sirui k10x
Forum: Troubleshooting and Beginner Help 10-04-2018, 02:47 PM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
Thanks for such considered advice.
The velbon base has a circumference of 5".Whether the ball is 54mm or smaller seems like it will fit. I'm a bit worried a really small head would look disproportionate.

In UK import duties make many of the suggestions quite a bit more expensive than in USA. An exception is benro, I can get benro b2 for 77 and it seems to meet your criteria. It's got friction control, separate drag adjustment and lock knob, and 40mm ball. PU-60 qlr plate and 5" head.

No one on the thread has recommended them yet, so it's less appealing despite the high specification.

Lots of recommendation for Sirui and as it's not a lot more I may go for one of these, the k40x is 99 excluding duty.
Forum: Troubleshooting and Beginner Help 10-04-2018, 12:24 PM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
Wish I could ignore the budget I set myself, the better heads do seem a long lasting choice with none on second hand market.
Sirui 40x has a limiter which seems to borrow from the Markins. I like that feature and the 54mm ball. Any other ball heads that meets these criteria?
Forum: Troubleshooting and Beginner Help 10-04-2018, 09:36 AM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
Thanks for the suggestions some of which I have added . I missed out mentioning the two I chose originally.
Benro g00
Sirui G20kx
Forum: Troubleshooting and Beginner Help 10-04-2018, 05:51 AM  
Help me choose a tripod head please
Posted By Patricia1066
Replies: 22
Views: 1,228
I'm close to decision time, 2 ball heads are in my price range but maybe there are others.

Price range up to 70 for K5ii and heaviest lens currently vivitar zoom 28-90

Tripod is Velbon VE3 an oldie but goodie.

Thanks
Forum: Welcomes and Introductions 10-01-2018, 04:26 AM  
Hi from Bromley, UK
Posted By Patricia1066
Replies: 30
Views: 930
Did a bit of googling and found that k5 can have the debug menu enabled with PK-tether. I haven't tried to print yet, but the manual lens have given me some good sharp shots. I do have to manually focus after changing aperture, or focal length in the case of the zoom lens.
Forum: Welcomes and Introductions 09-30-2018, 01:31 PM  
Hi from Bromley, UK
Posted By Patricia1066
Replies: 30
Views: 930
Hi microlight, when I review my travel photos, similarities are obvious, the same shots taken, just because I'm standing in a convenient position for the coffee stand or walking away fromthe tour group.

Looking creatively at the beach or broken columns could improve my shots.

Why do you like the K5 with manual lens?
Forum: Welcomes and Introductions 09-30-2018, 12:13 AM  
Hi from Bromley, UK
Posted By Patricia1066
Replies: 30
Views: 930
The photography class has started, and we are a bunch with diverse skills, some still using auto, others are very experienced photographers.

I have an old tripod, pan and tilt, fairly light but sturdy; I have a diffuser for the built-in flash, and I'm considering macro options. That's on another thread.

50mm f1.7 lens is my favourite, and once the reverse adaptor arrives I'll be even happier with it.

Thanks for the warm welcome.
Forum: Troubleshooting and Beginner Help 09-27-2018, 08:55 AM  
Macro lens on the cheap
Posted By Patricia1066
Replies: 20
Views: 1,403
This is a complication I can do without, while I am learning the craft. I saw and purchased a PKA vivitar lens. Vivitar Series 1 (Komine) 28-90mm F2.8-3.5 Lens Reviews - Vivitar Lenses - Pentax Lens Review Database

Once I get it, I'll start posting a few images. This thread will give me lots to think about.

---------- Post added 09-27-18 at 09:01 AM ----------


Too late! 😁
Forum: Troubleshooting and Beginner Help 09-27-2018, 07:49 AM  
Macro lens on the cheap
Posted By Patricia1066
Replies: 20
Views: 1,403
You are all wonderful, thanks for so many useful links and comments.
How easy is the adaptor and converter to pop on and off?
PENTAX 49mm & 52mm Reverse Adaptor K 303320
Forum: Troubleshooting and Beginner Help 09-27-2018, 06:54 AM  
Macro lens on the cheap
Posted By Patricia1066
Replies: 20
Views: 1,403
Hi I have a K5ii and want to try macro photography, flowers, insects close up.

I like using the Pentax-A 50mm f 1.7 and I believe with an adaptor it can be reversed for macro.

Is this suitable?
Pentax Genuine Reverse Adapter / Reversing Ring - Pentax K - 52mm
Forum: Digital Processing, Software, and Printing 09-27-2018, 02:42 AM  
Advice on setting up luminar 2018
Posted By Patricia1066
Replies: 2
Views: 760
I found a class locally teaching basics of Photoshop, so I went with this. Adobe bridge and Photoshop seems easier to work with, and lots of books as reference.
Forum: Welcomes and Introductions 09-23-2018, 04:04 AM  
Hello from Norway
Posted By Patricia1066
Replies: 8
Views: 443
Hi Hallvard, I have recently picked up a k5ii and the same lenses, so I am having fun choosing which to take out for the day.
Forum: Post Your Photos! 09-23-2018, 03:54 AM  
Nature Yo!! Go With The Flow.
Posted By Patricia1066
Replies: 4
Views: 394
Really beautiful, well done for finding beauty in the commonplace.
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