Forum: Post Your Photos!
12-12-2021, 10:43 PM
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Fascinating "tunnel vision"
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Forum: Pentax News and Rumors
12-21-2021, 11:00 AM
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I remember my first roll with the 77mm... I never looked at my 85mm again :D
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Forum: Pentax News and Rumors
12-19-2021, 04:19 AM
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indeed very beautiful @jab2980
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Forum: Welcomes and Introductions
12-19-2021, 04:58 AM
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But no digital printing can match the fidelity of a good made Cibachrome... :D
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Forum: Post Your Photos!
12-12-2021, 10:45 PM
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Forum: Pentax News and Rumors
06-30-2021, 01:51 PM
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Well, the lens is looking good and will really rock on the K-3 III
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Forum: Pentax News and Rumors
07-01-2021, 12:32 PM
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the only real joy is slides made with the 6x7 projected with a Götschmann :D
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Forum: Welcomes and Introductions
06-20-2021, 01:35 AM
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Forum: Pentax News and Rumors
05-28-2020, 09:02 AM
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Two indications.
You can't break physics that's why a given front lens diameter translates to a maximum possible aperture, but with a focal length of 21mm, F/1 can theoretically be reached at 21mm lens diameter. So this helps nothing here, however, the depth of field scale starts with F/4 left and right the red middle line. Lines to the side are always stopped down results. This proves the lens is faster than F4 but not Faster than F2.3, otherwise this lines would start with F/2.8. Everything else is speculation but it is likely something around F/3 +- 0.3
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Forum: Pentax News and Rumors
10-01-2019, 03:56 AM
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Would be sad to see Sigma go as lens option, otherwise every Sigma lens I owned, I sold because I did not like their color rendering
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Forum: Mini-Challenges, Games, and Photo Stories
10-01-2019, 08:40 AM
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I will not post so many pictures here with the odd combination I had this month.
It is a computer Vision lens, Computar Telecentric 55mm F2.8 and the nifty Pentax Q-S1 (which sadly never had a follow up).
What to say. The lens is troly special in close focus and macro work. It shines on close distances but not so much in direction of infinity. Its original purpose is to show objects in different ranges at the same size. This must be a very limited case, because otherwise it rather handled like any long lens on a small sensor.
I am so far okay with this lens, but think I would not buy it, if I already hadn't had it.
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Forum: Pentax News and Rumors
10-01-2019, 10:09 AM
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expensive but very good looking accesoire
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Forum: Mini-Challenges, Games, and Photo Stories
10-01-2019, 10:29 PM
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Dont ask me numbers but I feel our set is almost similar. In this group I am only missing the 400mm Star lens and the 600mm Star lens. So If you feel like singling the 6x7 with a certain lens, I might match up. Shoot me a message before then
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Forum: Pentax Forums Giveaways
10-01-2019, 04:02 AM
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I am in as well, so lets raffle :D
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Forum: Mini-Challenges, Games, and Photo Stories
09-03-2019, 12:17 PM
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I found out what makes the Computar Bokeh that "funky"... its 3 aperture blades! The triangle seems to stretch and form the highlights in an unique way
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Forum: Mini-Challenges, Games, and Photo Stories
09-01-2019, 11:15 AM
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I wanted the very smallest package, but the shield lens still did not arrive for my Q. So I went with a much bigger lens. It is a Computer Telecentric lens, 55mm, F2.8
For all not knowing, a telecentric lens has its mathematical focus referenc in infinity and therefor can show in a limited area objects in their real size. The application for such lenses is industry measurements. it is a C-Mount lens.
I am curious, how it turns out over the month
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Forum: Mini-Challenges, Games, and Photo Stories
08-28-2019, 01:21 AM
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I really need to find a workflow allowing me to be part, keep up and have fun with you guys.
I will give it another try. Mayne Single In can be a part for me to let go from lenses I really do not use that much.
I am currently absolutely torn between the Systems:
Pentax Super 110, Pentax Q, K-1, "Fullframe analog", 645NII, 6x7.
And then lenses... Oh My
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Forum: Mini-Challenges, Games, and Photo Stories
02-28-2019, 12:06 AM
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Well, despite really "needing" a lens 20mm or wider for fullram/135 format, I have the FA77 coming. It will not arrive for march but now I think of letting go the Takumar 105mm and 85mm F1.9 to justify that lens (I have the Helios 40 left, which is a real carry weight but still a 85mm for my SPF, in case I will need it. To get a more light month I am thinking between the Mir-37 lens (37mm), the Pentax SMC-M 28mm, the Voigtländer Color-Ultron 50mm or the Ricoh Theta V. Maybe you'll help me decide before tomorrow comes
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Forum: Mini-Challenges, Games, and Photo Stories
02-28-2019, 12:00 AM
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Oh no, I am only the second one to write a sum up???
I shot daily but was not able to post every day. Something what probably wouldnt change.
Playing with Pentax 67 lenses can be fun. These lenses were made to a super high standard. Because of that they perform even on much smaller an much more demanding sensors equally well. That said, you always carry the glass and the construction as well which was calcluated for the film format oc 56x70mm² in the first place. If someone owns the new professionals tele-zooms with F2.8 I think the difference is not that big, but compared to a FA 100-300 lens, the Pentax 6x7 300mm lenses are at least double in size. I made it open before the month started to use the lens on different cameras but in the end had only time to run around the house once and filing a slide film with my Pentax 67II. The aim was not for single challenge, but to compare the old 300mm Pentax 67 lenses to each other. Guess what, I handheld shot both lenses at F4 and F8. It was a bright day so no shake. The scans showed me one thing clearly. If I hadn't made notes, in normal conditions, there is no difference to see. So why pay the premium on the newest 300mm Pentax 6x7 lens? The first difference you see is that the ED IF version comes with an own tripod mount. If you start focusing, the IF really stands out. While the older lenses needed to be moved completely, meaning all the glass, you need your whole hand to focus. The if is that smooth, that you can walk with two fingers over the focusing grip and focus. That said, I not perform any comparison on the K-1 with both lenses. The K-1 might be more demanding, but even there I can not imagine that the classis 300mm lens from the Pentax 6x7 system is a complete dog. If there would be some interrest, I might redo the test on the K-1.
Now to the lens. It was a pleasure to use. It is so incredible how small the depth of field is on a 300mm lens on a fullframe sensor already. I discovered much more often that after taking the first shot wide open I had to redo it with a much smaller F-Stop. Regardles that "issue" everything I threw on that lens was handled well. Hard contrasts, extreme colors, shooting in direction of light sources. If I would use that lens on a daily basis, the only thing I wished for was that it was smaller. The closer minimal focusing distance compared to the classical 6x7 version comes in handy if you want to seperate some details from the background. If I want to do it in points (10 is good, 0 is catastrophic)
Lens handling 10
Perfomrance 10
Close focusing 8
Value for money 7 (10 if you own a 6x7 and a 645 because then you will never need a different 300mm)
weight when used on fullframe or smaller 5
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Forum: Mini-Challenges, Games, and Photo Stories
02-24-2019, 11:44 PM
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I hope I will choose a more portable set then last month...
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Forum: Mini-Challenges, Games, and Photo Stories
02-14-2019, 02:20 AM
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I switched theme days for me. So the B/Selfie was shot on 12th and on 21 I can try a close-up then?
Great to be here again...
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Forum: Mini-Challenges, Games, and Photo Stories
02-10-2019, 04:22 PM
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Oh my... trying to catch up
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Forum: Mini-Challenges, Games, and Photo Stories
02-10-2019, 04:20 PM
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missed one day, now I have to do a catch up.. you'll see it soon
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Forum: Mini-Challenges, Games, and Photo Stories
02-03-2019, 10:47 AM
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My Picture for the second of february hit explore.... Oh My Gosh
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