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09-20-2017, 01:28 PM   #1
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F lenses on K-1

I sold all I had of the Pentax Apsc, from the FF I have: Pentax smc F28 / 2.8 + Pentax smc F50 / 1.7 + AF adapter smc F 1.7 x + Tokina AT-X PRO SV 28-70 / 2.8 and I buying K1, I have no financial means for DA and DFA lenses, what I can expect from of all the lenses I have


Last edited by mbukal; 09-20-2017 at 01:37 PM.
09-20-2017, 01:55 PM   #2
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Well all those lenses will work fine of course. The F28 and F50 will probably perform pretty well (I have the FA counter parts and they are good) on the K-1. The 50 will be particularly useful, if my experience is anything to go by.

The AT-X will also work fine and as long as you are not expecting great sharpness wide open will be a useful walk around lens. That said I have the original AT-X PRO 28-70 f2.6-2.8 (which is said to be the best of these AT-X pro lenses) and I'm a bit disappointed with it on the K-1. Its probably that the likes of the FA35 f2 (performs superbly on the K-1) has spoilt me but I have had the AT-X out on a couple of outings and I'm not wowed by the sharpness or look of the images. Strangely I liked the AT-X better on the K-5.
09-20-2017, 02:03 PM   #3
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It seems to me that you have a good starter kit, there, but you'll probably want to expand the range of focal lengths, before too long. Given kiwi_jono's comments about the Tokina 28-70, you may want to think about selling it and investing in some more F lenses to give you a wider and longer view. Much depends on what you want to do with your K-1, though, but there are inexpensive F and FA lenses available for most purposes.
09-20-2017, 02:29 PM   #4
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at K30 I used: Pentax DA 12-24 / 4 + Pentax DA 17-70 / 4 + Pentax DA 55-300 / 4-5.8 + (( Pentax smc F50/1,7+AF adapter smc F 1.7 x = Pentax smcF 85/2,8 "not soft"))


Last edited by mbukal; 09-20-2017 at 02:54 PM.
09-20-2017, 03:32 PM   #5
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Once you have your K-1, start saving for the 28-105.The DFA lenses are pretty good!

I used my film lenses and some DAs to start with,the K-1 is good with them but its better with DFAs.
09-20-2017, 04:09 PM   #6
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QuoteOriginally posted by mbukal Quote
I sold all I had of the Pentax Apsc, from the FF I have: Pentax smc F28 / 2.8 + Pentax smc F50 / 1.7 + AF adapter smc F 1.7 x + Tokina AT-X PRO SV 28-70 / 2.8 and I buying K1, I have no financial means for DA and DFA lenses, what I can expect from of all the lenses I have
you have two nice primes to start with. in the F 28mm and the F 50mm They are definitely keepers even if you acquire newer lenses later on. I have an F 28 mm that I had from all the way back in my film days and it still is a great lens on my K-3 and K-5 bodies. I also have an FA 50 mm F1.7 which is essentially the same as your F version. Enjoy using them. they will serve you well on your K-1
09-20-2017, 05:17 PM   #7
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That's the beauty of the K-mount, Mbukal, you get to use all your vintage lenses and they'll be image stablilized.

09-20-2017, 07:14 PM   #8
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I second the 28-105mm recommendation, as it's a great value. Until then your F lenses will deliver solid performance

Adam
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09-21-2017, 05:25 AM - 1 Like   #9
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QuoteOriginally posted by mbukal Quote
F28 / 2.8
Good to very good.

QuoteOriginally posted by mbukal Quote
F50 / 1.7
Superb.

QuoteOriginally posted by mbukal Quote
AF adapter smc F 1.7 x
Very good.

QuoteOriginally posted by mbukal Quote
Tokina AT-X PRO SV 28-70 / 2.8
Good to very good.

It's a pretty interesting starter kit, some people would be happy to make this their "full kit". The zoom might be the weakest link but that's not a bad thing. I'd suggest you experiment with what you have first and see where your photography takes you.

One thing to note is that none of your lenses uses modern AF systems, so you might be well served with a newer DC AF lens.
11-03-2017, 03:52 PM - 1 Like   #10
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he has found some time and for himself and his own hurt, so I have a new love (the woman knows her and is not jealous), it is not the latest total bombastic performance, indeed a very complex combination I present it:

-smc Pentax F 28 / 2.8 years of birth 1987 = first series of FF autofocus Pentax lenses
-Pentax K-1 year of birth 2017 = first FF dslr Pentax camera series (the difference from the first mentioned is only 30 years)
-Pentax AF360FGZ flash year of birth 2010 (he is much closer to fotić than objective but is a successful link)
and the small fashion plug-in in the form of a search viewfinder (original o-me53) 2010 year, on the optical viewfinder FF Pentax K-1 dslr = this is how to frame it over the viewfinder - the general overlap of the optical viewfinder is nirvana, indisputable neither the master card can not compensate for it),
- The combination is very well matched with each other and all together with me

I'm sorry to have a bad english but I'm really excited


Last edited by mbukal; 11-03-2017 at 04:00 PM.
11-03-2017, 04:10 PM   #11
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perhaps this info could be of help

Pentax K-Mount Lens Series Explained: The differences between various Pentax lens series

Pentax K-Mount Lenses Explained: The differences between various Pentax lens series


Pentax Lens Compatibility Chart
Copyright 2006-2016 Mosphotos.com. All rights reserved.

Pentax bayonet lenses labeled "SMC Pentax" are referred to as "K" lenses in the table below. Other Pentax bayonet lenses have the lens designation as a part of their name as in "SMC Pentax-FA."

Note that "star" lenses work like their "non-star" counterparts: DA* lenses work like DA lenses, FA* like FA, F* like F, A* like A, and M* like M.
Exceptions: FA and F "soft" lenses behave like M lenses in terms of metering.

The Pentax Camera Lens Compatibility Chart
11-05-2017, 01:30 AM   #12
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If you like the looks of the F-series (I do) you should have your radar up for the SMC F 70–210mm f4–5.6. It's available every now and then on various sales sites, and for it's performance it's a lot of value for money.
Optically it's superb. Just watch out for mechanical problems. The zoom can get stiff, and one sample I bought literally fell apart when I took it out of the package. So if you can't try it before you buy it, be sure the seller has a good return policy.
If you get a good copy, I don't think there is any way to get more IQ per dollar.

Kjell
11-05-2017, 07:10 AM   #13
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thanks for the smcF70-210 recommendation, I used it as the first telephoto on the apsc Km/ Kx / Kr, I replaced it for the DA55-300ED, now you should buy it again!

Last edited by mbukal; 11-05-2017 at 07:33 AM.
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