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Forum: General Photography 12-09-2018, 12:31 PM  
Ebay S
Posted By clicksworth
Replies: 0
Views: 639
Forum: Post Your Photos! 11-16-2018, 11:23 PM  
Nature what am I?
Posted By clicksworth
Replies: 3
Views: 406
Maybe something like Cuscuta europaea.
Forum: Pentax Film SLR Discussion 09-09-2018, 12:28 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Spotmatic, SMC 100mm macro, Kentmere100
Male cones of Cedrus libani, about an inch tall.

Latley I have been making short rolls of 35mm, about eight exposures, and developing them in Ilfosol 3 at1:29 for 9 min. That needs only 10 mL of developer for a roll. It worked for this high-contrast subject.

Forum: Pentax Full Frame 08-26-2018, 05:40 PM  
Which lenses do you use for portraits or do you recommend?
Posted By clicksworth
Replies: 91
Views: 7,796
On FF, the old 135s for head and shoulders from a correct distance. There were many built but the Pentax F2.5 is a great one.
Forum: Post Your Photos! 07-21-2018, 10:19 AM  
Landscape Pink snow in Portland
Posted By clicksworth
Replies: 3
Views: 396
Terrible cherry storms in the spring.Makes the road slippery and obscures visibility. I like to send suchphotos back East when they still shovelling snow.
Forum: Pentax SLR Lens Discussion 05-10-2018, 11:32 PM  
Super Takumar 55 1.8 sharpness question
Posted By clicksworth
Replies: 21
Views: 2,042
Big aperture lenses have a long light path and the rays get a bit lost when used much closer than designed. I know that this lens doesn't work as well as a real macro lens for very close work such a scanning negatives. At the distance you are using this might be a factor.
Forum: Pentax SLR Lens Discussion 02-18-2018, 09:05 PM  
sears 135 mm mc Auto f 2.8 pentax k mount picture IQ and optical quality and results
Posted By clicksworth
Replies: 5
Views: 1,201
There have been many such 135mm 2.8lenses made, popular as they are designed for portraits. If this Sears is like the others you will find it has a bright image with thin depth, and good contrast. It is also likely to show lateral colour and gradual vignetting. Strict image quality is not what they were about.
What they do well is portraits. With the crop sensor you have to get back a ways for head and shoulder shots. Hitting exact focus every time isn't possible. Fortunately with digital we just take extra shots.
Forum: Troubleshooting and Beginner Help 12-23-2017, 05:53 PM  
Archiving antique maps and manuscripts
Posted By clicksworth
Replies: 18
Views: 1,562
There is a calculator at this site that could help in picking a correct focal length for your stand and document size. Using a multiplier of 1.5 for Pentax, it says that with a 50mm lens you would want to be 28 inches back from an 8.5" by 11" page to fill the frame.
Field of View Calculator - Rectilinear and Fisheye lenses - Bob Atkins Photography
Forum: Pentax Film SLR Discussion 11-13-2017, 07:48 PM  
Pentax SMC Correction Lens / Diopter for Film SLRs
Posted By clicksworth
Replies: 25
Views: 2,891
"That would seem to mean someone with perfect eyesight would need a correction diopter, bizarre. "

Perfect eyes have focusing ability so work fine with the eyepiece as it is. For us old guys with a plastic cataract lens not so much.
Per CarlH above, pick the best glasses at the dollar store, shape one lens to fit, and glue it in. Easy, works great, and costs 50 cents.
Forum: Pentax Film SLR Discussion 08-31-2017, 05:34 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Fireweed, end of August

Forum: Pentax Film SLR Discussion 08-25-2017, 11:46 AM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Fed5b FP4 fill flash from above.
The Pentax AF200T flash is handy for this with its four level manual mode.

Forum: Pentax Film SLR Discussion 08-19-2017, 05:31 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Tansy by old bridge. FED5b FP4
Close focus, fill flash, and some forest fire smoke make for depth.

Forum: Pentax Film SLR Discussion 08-01-2017, 08:58 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523

Trumpet vine

A remote flash gives control of the depth and sharpness of the shadows.
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 05-17-2017, 09:04 PM  
The HALF-FRAME-35mm Club
Posted By clicksworth
Replies: 21
Views: 5,321
I'm in with this Chaika and FP4.
This film isn't super fine grain, but as you point out the half-frame has much more area that 110 or disk formats. The grain is never as prominent as I expect.
Forum: Pentax Film SLR Discussion 05-13-2017, 11:49 AM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
For economy, the half-frame cameras are suited to using half-rolls of film. Seventy two shots is too many anyway. I want to see what I got before that. After splitting a roll you get 33 or so on each half.
Forum: Pentax Film SLR Discussion 05-11-2017, 07:09 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Just this FP4. With a max speed of 1/250 and smallest F of 16, 400 ISO film would be about the limit for full sun, and with half frame you want to keep the grain down.

Model is Chiaka II, before they had meters. Nice and rudimentary and metallic.

Forum: Pentax Film SLR Discussion 05-10-2017, 09:24 PM  
Post your B&W Film shots
Posted By clicksworth
Replies: 9,792
Views: 1,117,523
Chaika half-frame. FP4
A totally manual camera like theOlympus Pen. The 2.8 Tessar allows hand holding in forest light with100 speed film.
Forum: Post Your Photos! 01-23-2017, 11:19 PM  
Best of 2016 Cold and Strong
Posted By clicksworth
Replies: 17
Views: 1,297
Well done with that dark and snaky background. I think she likes you.
Forum: Welcomes and Introductions 12-25-2016, 10:50 AM  
Recommitting to Pentax
Posted By clicksworth
Replies: 12
Views: 765
When you have the K1 you will have the absolute best hi res slide service yourself, once you also find one of these bellows and slide copier devices. They are suited to full frame cameras. I use the old M42 version II with an adapter. A regular 50 or 55mm lens works with them, but a macro 50F4 is the best.

slide copier - Accessory Search - Pentax Camera Accessory Review Database
Forum: Troubleshooting and Beginner Help 12-18-2016, 11:06 PM  
SF1 Stops Advancing Film Midway Through Roll
Posted By clicksworth
Replies: 7
Views: 1,141
My MZ-50 has done that. It happens with the cameras of many manufactures'. Battery condition or cold might be a factor. If your film is hand wound, remember to turn the spool clockwise before using it so that the film isn't tightly wound next to the spool.
Forum: Pentax SLR Lens Discussion 12-12-2016, 12:51 PM  
Old screw fit m42 lenses
Posted By clicksworth
Replies: 8
Views: 939
Of the Pentax M42 primes, there are none to be avoided. The older ones will have old coatings, and there were no high-resolution sensors when they were designed, but we hope for a little character when using them. Also they will screw right onto your Spotmatic.
Forum: Pentax Film SLR Discussion 11-21-2016, 06:12 PM  
What causes these to appear in photos? Boxed in Red.
Posted By clicksworth
Replies: 10
Views: 1,051
Just dust on the negatives. Question is whether they got there during processing or while in the camera. Did you scan them yourself?
Forum: Digital Processing, Software, and Printing 11-20-2016, 06:57 PM  
Colour beam technique
Posted By clicksworth
Replies: 1
Views: 821
Maybe this method of making selective colour has a real name. It is done by taking three b&w photos, each with the foreground illuminated by a light with red, green, and blue filters. They are then combined in Gimp. The only processing after that is white balance. Any part not hit by the beam is grey, as in the shadow of the balls on the right. This is indoors, so a LED light was sufficient. Outdoors a flash is used.

Forum: Pentax SLR Lens Discussion 11-17-2016, 10:16 AM  
Anybody know the oldie M 50mm f4 Macro?
Posted By clicksworth
Replies: 34
Views: 2,479
It's as good as they say for macro, but it's a tessar design. On a full frame camera the drop off in resolution at the sides shows why they have added more elements to lenses since 1902.
Forum: Photo Critique 11-15-2016, 12:58 PM  
Night What can I do better.
Posted By clicksworth
Replies: 11
Views: 871
It is all just opinion, but I think there is a charm to the blurry foreground in this case, even if that isn't real either. We see real things all day. Sometimes photos are good for being slightly unreal.
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