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11-07-2016, 09:42 PM   #1
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P67 SMC Takumar 400/4 or 500/5.6 on 645D/645z?

Has anyone tried these lenses on their 645D or 645z? If so, I would love to see some examples and your thoughts re using these lenses on the Pentax MFD cameras.

Gary Benson
Eagle River, Alaska

11-07-2016, 11:22 PM   #2
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Hi Gary - don't suppose the 6x7 400mm f4 EDIF is relevant to this question? I have some shots taken with that on the 645Z.
11-08-2016, 09:13 AM   #3
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The 400 Takumar is better color corrected than the 500 and has a 12 blade diaphragm. There is no doubt that the 400 is a sharp lens. On film cameras it is no contest but I have not tried either on the D/Z. The difference between the 400 Takumar and EDIF is color correction wide open. But the Takumar rarely fringes wide open.They are equally sharp. The 400 EDIF is pretty much a perfect lens but you pay for it.
01-06-2017, 12:04 PM   #4
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Ed and Desertscape -- sorry for my delayed reply. I ended up getting near mint copies of both of these lenses and now I just have to make the time to get out there and shoot with them.

Ed -- I've seen some of the photos you have shot with the 400mm EDIF that you've posted and they look fantastic of course. I would love to get one of these someday. Because I generally look for lenses that are in near mint condition, there are few of these to choose from and of course, they are priced quite high. I nearly pulled the trigger on one a few months ago, but then hesitated and lost out.

Gary






Last edited by bensonga; 01-06-2017 at 12:25 PM.
01-15-2017, 05:28 AM   #5
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I found a lens adaptor and stopped with the 300 mm f 4. images were good and the crop factor was nice. I did have to include a lens support system. heavy as hell and needed a monopod.
01-16-2017, 12:14 AM   #6
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Do you have any photos taken with that 300mm F4? I'm interested in one. I can't afford the EDIF.
And what adaptor are you using, I have a 645D.

Thanks in advanced
01-16-2017, 01:15 PM   #7
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QuoteOriginally posted by Pablo Villegas Quote
300mm F4?
I had the 300 Takumar for nearly 20 years and if I had a 645D I surely would not put that 300 on that camera. Make sure you read the tests on the 300 Takumar.
01-17-2017, 11:26 AM   #8
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QuoteOriginally posted by desertscape Quote
I had the 300 Takumar for nearly 20 years and if I had a 645D I surely would not put that 300 on that camera. Make sure you read the tests on the 300 Takumar.
I agree. I had the 300/4 Takumar for many years and was always disappointed with the results.

The 300/4 EDIF lens on the other hand is wonderful. Here is a shot I took with that lens on my Pentax 67.

Gary



01-17-2017, 12:09 PM   #9
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QuoteOriginally posted by bensonga Quote
Ed and Desertscape -- sorry for my delayed reply. I ended up getting near mint copies of both of these lenses and now I just have to make the time to get out there and shoot with them.

Ed -- I've seen some of the photos you have shot with the 400mm EDIF that you've posted and they look fantastic of course. I would love to get one of these someday. Because I generally look for lenses that are in near mint condition, there are few of these to choose from and of course, they are priced quite high. I nearly pulled the trigger on one a few months ago, but then hesitated and lost out.

Gary


I'm intrigued by the 500mm on the 645D/Z....I have the 300mm EDIF M* which produces stellar images.....will this 500mm match up to that??
01-17-2017, 01:25 PM   #10
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I wouldn't think so....the 300 EDIF M*, which I have too, is hard to beat. If I could have found a mint 400 EDIF at a reasonable price, that would have been my choice for a longer telephoto. Still hoping to get one someday.

It has been very cold and snowy here since I got the 400 & 500 lenses shown above, so I haven't had a chance to get out and use them with the P67 or 645D yet. I will post some pics when I do.

Gary
01-18-2017, 12:31 PM   #11
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The 500 f/5.6 is an old design with only 4 elements (an APO triplet up front and a field flattener in the rear). It just cannot match the performance of the highly corrected, low dispersion ED lenses. Once you stop down and truncate the poorly corrected marginal rays on the 500, it can do okay. So it has some limitations.
01-19-2017, 05:17 AM - 1 Like   #12
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on a whim I put a 300mm 67 on my d, images were good but the setup was heavy, and needs an adaptor. a 400mm fa f5.6 is lighter, you get auto focus, and it's only one stop slower. the images are very good.
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