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Forum: General Photography 12-18-2021, 06:38 PM  
Colour blindness and photography
Posted By Jim909
Replies: 61
Views: 1,583
If I had a suitable yellow filter I would try it out, shoot my color card and see how white balance correction handled it.
Forum: General Photography 12-14-2021, 11:14 AM  
Colour blindness and photography
Posted By Jim909
Replies: 61
Views: 1,583
Another thought - red and green are easily distinguishable when viewed through a yellow filter. It seems that shooting with a yellow filter could make R&G shades easily distinguishable for composition while allowing for the removal of the yellow tint in post to restore color.
Forum: General Photography 09-28-2021, 08:44 AM  
How did you become a Pentaxian ?
Posted By Jim909
Replies: 232
Views: 8,188
Lots of good stories here.
I had never owned a camera, but in 1969 I found myself stationed in Taiwan, doing a lot of sightseeing and having no way to send pictures to the folks back home. As luck would have it, the local exchange had about 20ft of glittering showcase stuffed with photo equipment and among the goodies was the Spotomatic with a 50/1.4 and a 135/3.5 for just slightly over 2 months pay, so I put it on lay away and paid on it for several months before I got my hands on it. I don't recall exactly why, but I don't recall even considering another brand or doing any comparison - I wanted the Pentax. I must have read an article or seen some advertisement that made a strong impression on me.
I still have the kit, although I retired the camera at the end of the last century. I used a point and shoot for a while, but just couldn't swing the price of the Pentax I wanted when I moved to a DSLR and instead got a Canon that I could easily adapt to use my Takumar lenses.
Forum: Monthly Photo Contests 09-08-2021, 10:56 AM  
Monthly Photo Contests
Posted By Jim909
Replies: 8
Views: 192
I would like to nominate this photo
Forum: Monthly Photo Contests 09-08-2021, 10:56 AM  
At the restorerīs
Posted By Jim909
Replies: 26
Views: 346
I would like to nominate this photo
Forum: Monthly Photo Contests 09-08-2021, 10:55 AM  
Sleeping 90's
Posted By Jim909
Replies: 22
Views: 336
I would like to nominate this photo
Forum: Troubleshooting and Beginner Help 09-07-2021, 07:33 PM  
Help with soccer photos that aren't sharp
Posted By Jim909
Replies: 52
Views: 2,523
Until I accumulated so much photographic proof, I would never have believed that the horizon actually sloped upward about 4 degrees from left to right!
Forum: Troubleshooting and Beginner Help 09-07-2021, 12:06 PM  
Help with soccer photos that aren't sharp
Posted By Jim909
Replies: 52
Views: 2,523
I think you may have misunderstood. Shooting wide open restricts the depth of the focus, for example the eyes can be in focus while the tip of the nose and the ears will be blurry. Increasing the f-stop number reduces the aperture; as the size of the opening is reduced, the depth of field grows. At the extreme end, the aperture of a pinhole camera is so small that when in focus, the image appears sharp from close up all the way to infinity.
Generally, I shoot with aperture priority set at f9 and let the speed and ISO adjust. I use f9 because it provides maximum sharpness with all the lenses I use. I can open the aperture wider if the light is poor, I want to enhance bokeh, or otherwise manipulate softness in an image.
Forum: Photographic Technique 06-15-2021, 07:22 AM  
Comparing Noise from aperture restricted light vs shutter restricted light.
Posted By Jim909
Replies: 77
Views: 3,472
I\m no expert in anything, but it looks to me like the picture on the left just has a richer rendition of the colors.
Forum: Monthly Photo Contests 03-16-2021, 05:44 AM  
Poll: Expired Contest Poll VOTE NOW - Photo Contest #174 Poll (Cityscape by Night)
Posted By Jim909
Replies: 30
Views: 3,874
I selected #5 because i like the multilayered geometry of the composition and the restrained colors - the photographer did not succumb to an urge to oversaturate and manipulate the colors in post.
Forum: Monthly Photo Contests 09-08-2020, 06:18 PM  
Winternacht
Posted By Jim909
Replies: 3
Views: 185
sharp and detailed from foreground to the stars, the subtle changes in shade provide wonderful depth in the composition, even through the middle brightness.
Forum: Winners' Showcase 07-08-2020, 02:04 PM  
June, 2020 Runner-up: The Kiss
Posted By Jim909
Replies: 58
Views: 1,846
I would like to nominate this photo. Lovely colors and compsition - would look great hanging in my living room.
Forum: Monthly Photo Contests 06-09-2020, 11:28 AM  
Nymphaea
Posted By Jim909
Replies: 28
Views: 838
Love the color and composition!
Forum: Monthly Photo Contests 01-12-2020, 06:31 PM  
Frosty path
Posted By Jim909
Replies: 37
Views: 750
Very nice composition, it leads the eye in and around the bend to the sun. The subdued color makes the scene more dramatic and highlights the bleakness of winter while the hint of red/brown adds a touch of warmth that dispels the severity that bluish grays would have added. Excellent depth of field provides detail to create the textures that entertain the eye on it's journeys through the photo. Great atmosphere, marvelous textures!
I would like to nominate this one.
Forum: Welcomes and Introductions 12-24-2019, 07:25 PM  
Hello From Phoenix, AZ
Posted By Jim909
Replies: 27
Views: 843
Yup, got to get it down to just the essentials...
Forum: Lens Sample Photo Archive 12-24-2019, 07:04 PM  
Hanimex HMC 90-210mm F4 m42
Posted By Jim909
Replies: 2
Views: 672
While researching this lens, I ran across and article talking about the company being being founded in Australia in the late 40s as an import-export company for optics equipment, I can dig up the link if you would like. I think they bought everything they could get a good deal on to rebrand and market.

Jim
Forum: Lens Sample Photo Archive 12-23-2019, 05:40 PM  
Hanimex HMC 90-210mm F4 m42
Posted By Jim909
Replies: 2
Views: 672
I found this lens in a bin at a thrift shop and picked up up for a few dollars because it was pretty clean and had a screw mount. I've searched high, low, wide, near, and far but have begun to think that this is the only 90 to 210 ever produced. Lens facia and zoom ring both say 90, It has only four stops - 4, 8, 11, and 16, no half stops in there. The macro slider rotates the macro ring about 90 degrees, focus ring is multi turn. One of my adapters keeps the aperture pin down, there is no manual switch. I've had it a half dozen years and today took it outside to try it out I it has a little haze inside, not bad yet but I think it causes a bit of washed out appearance. I may have shoot some more to make sure that none of the softness is attributable to focus and to evaluate the bokeh.
Following are some photos of the lens and a few photos. The palm tree was hand held at 210mm, followed by a crop at pixel level, the flowers were taken in macro position and the last photo was processed for noise, contrast, saturation etc.

Not a bad $10 lens. If anyone knows or can deduce anything about the lens, I would be interested in hearing it, I suspect that this was sold as an 80-210 by someone, but I haven't been able to match it based on appearance of the ones I compared.
Forum: Welcomes and Introductions 12-23-2019, 03:59 PM  
Hello From Phoenix, AZ
Posted By Jim909
Replies: 27
Views: 843
Hello Hawkfan, another noob here. My wife and I have talked about Full-timing on several occasions but could never find one big enough to hold all our hobby junk! Good luck with it and welcome to the forums here.
Forum: Welcomes and Introductions 12-20-2019, 06:48 PM  
Greeting and Salutations
Posted By Jim909
Replies: 19
Views: 749
Thank you everyone!
Digital canister - with new developments in thin film technologies and wireless, some enterprising engineer should start making these - the only thing that one would have make changeable is the ISO, but provide an app that talks to your phone to set that and retrieve pictures.No need to worry about focus, exposure, speed, any of that stuff - leave all that up to the photographer as Niepce and Daguerre intended! These days, they can stuff a lot of electronics in a cylinder the size of film canister, wish they would hurry up, I would get my Spotomatic serviced and start using it again.
Forum: Welcomes and Introductions 12-20-2019, 01:46 PM  
Greeting and Salutations
Posted By Jim909
Replies: 19
Views: 749
Hello, I have found myself on occasion coming to this forum in search of information and decided to become a member.
I still own the first camera I ever bought, a Pentax Spotomatic that I used layaway to buy from the CCK air base exchange in 1969. It cost almost an entire months pay then and came with a 50mm f1.4 and a 135mm f3.5. I used it lightly for the following 4 decades, until the shutter began to get a bit slow and I made the swithch to digital. I am still disappointed that no one has developed a drop in cartridge with electronics, battery, and wireless, shaped like the film canister and film strip to give new life to all the fine film cameras out there.

I take a lot more more photos these days, and sometimes use my Takumar lenses. My biggest complaint about digital is the inconvenience of doing things manually, nothing beat the ease of using my Spotomatics light meter needle while adjusting my speed and aperture to control brightness and depth of field.

What brought me here today - I'm thinking now about picking up a Takumar 300 or 400 mm lens to use for bird photos, so thanks to all of you who have discussed these telephoto lenses on here!
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