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02-24-2013, 05:37 AM   #1
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Manual 50mm lenses...

So after my recent poll I have purchased a Sigma 30mm and now looking for a cheap old manual 50mm prime that will meter on my K5IIs.

Ebay seems littered with them and no idea whats best or what works.

These are just a couple I have seen for around the 50 mark:

Pentax-A SMC 50mm f/1.7
Pentax M 50mm f2

Pentax M SMC 50mm f1.7


There are others and other brands but no idea what I am looking at if I am being honest! Just thought I would try an old old manual prime.

Any suggestions on whats best and what to look out for?

02-24-2013, 05:39 AM   #2
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The M series only works in M mode with stop down metering. The A series will work in all modes and with P-TTL flash. The f/1.7s are much better lenses than the f/2s.

Pentax K-Mount Lenses Explained: The differences between various Pentax lens series
02-24-2013, 05:58 AM   #3
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Thanks for the info. There are some Pentax-A SMC 50mm f1.7 lenses on ebay for 60 which look in excellent fungus free condition.
02-24-2013, 06:37 AM   #4
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QuoteOriginally posted by JayX2A Quote
Thanks for the info. There are some Pentax-A SMC 50mm f1.7 lenses on ebay for 60 which look in excellent fungus free condition.
60 pounds is about average. I just got mine for $57 on eBay including ME Super camera, lots of filters, flash unit, and another lens! Look for the package deals, and you virtually get the lens for free along with other stuff that you can use or resell.

02-24-2013, 06:42 AM   #5
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That's a reasonable price for a good copy of the A50/1.7. The M version should go for around 2/3 the price, and the M50/2 is so common and not in demand these can be picked up practically for free, often when attached to a K1000.
02-24-2013, 10:01 AM   #6
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I got my M50/1.7 for $55. A bit above average but I think it was worth it as the lens looked brand spanking new. Absolutely no dust anywhere on the outside (minor dust specks inside) and completely free of haze/fungus/what have you.

I remember reading the M50/1.7 is just a bit sharper than the A50/1.7, but if auto-aperture is important to you then you should go with the A. I just went with an M because it was cheaper and I could live with stop-down metering.
02-24-2013, 10:13 AM   #7
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QuoteOriginally posted by baro-nite Quote
That's a reasonable price for a good copy of the A50/1.7. The M version should go for around 2/3 the price, and the M50/2 is so common and not in demand these can be picked up practically for free, often when attached to a K1000.
Good advice ... I have all three.

Purchased an excellent A50/1.7 from KEH and very happy with it.

Got M50/2 with a K1000 that I purchased cheaply off a French e-bay equivalent and the M50/1.7 was given to me with a MV-1, so you cannot beat that kind of deal.

Out all three, the A50/1.7 is the best, followed by the M50/1.7 ... the M50/2 is only average, but then again I've never used it extensively.

Good luck on your hunting - J
02-24-2013, 10:18 AM   #8
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Where do you guys find such good deals??? I've just recently started to monitor 50mm deals on ebay (mainly Takumars) and all Pentax A50/1.7 I run into were (much) more than 100$....Buy now close or above 200$.

02-24-2013, 11:41 AM   #9
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QuoteOriginally posted by NoraFora Quote
...all Pentax A50/1.7 I run into were (much) more than 100$....Buy now close or above 200$.
People can set the asking price as high as they want on eBay, but that doesn't mean they actually sell. Search again and click on "sold listings" to see what people are actually buying them for, like this. You can see that three A50/1.7's sold for under $60 yesterday.

You can get the deluxe manual 50, the Takumar 50/1.4, for between $100 and $150. You aren't likely to find it for less, since the masses of Canikon users can easily adapt it to their cameras, and it's very popular.
02-24-2013, 11:45 AM   #10
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QuoteOriginally posted by NoraFora Quote
Where do you guys find such good deals??? I've just recently started to monitor 50mm deals on ebay (mainly Takumars) and all Pentax A50/1.7 I run into were (much) more than 100$....Buy now close or above 200$.
QuoteOriginally posted by scratchpaddy Quote
People can set the asking price as high as they want on eBay, but that doesn't mean they actually sell.
Yep. Just takes some patience. Follow all the auctions with a reasonable opening bid (anything less than the value you're willing to pay), bid once, the maximum bid you would be happy paying, and improve your chances by bidding at the last moment, either manually or by using a "sniping" service.
02-24-2013, 03:09 PM   #11
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The build of the metal M 50/1.7 is MUCH better than the plastic A 50/1.7 (I own both), but they are optically the same. As noted above, the A 50/1.7 is more expensive, but will allow all metering modes with your camera. If you are looking at the A 50/1.7, confirm with the seller that the aperture ring is functional and moves smoothly between all positions. A common problem with this lens is that there is a small plastic piece in the aperture ring mechanism that breaks and jams the movement. While this is not a huge issue with your K5IIs (assuming it can be placed in the "A" position), it affects the value of the lens and the ability to use it with a bellows or extension tube. Don't pay premium money if the ring is not working.


Steve
02-25-2013, 05:12 AM   #12
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I went for this one:

Pentax-A SMC 50mm f/1.7 . Film/Digital . PK-A . EOS 4/3 Nikon NEX M4/3 Sony A | eBay

Checked with seller than description and condition matched listing and was confirmed.

When it arrives, what position does the app ring need to be in to allow the body to take control?

I made a lower offer on the lens and quite happy with the cost - especially if it is as clean as it looks in the pic.
02-25-2013, 05:47 AM   #13
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QuoteOriginally posted by JayX2A Quote
When it arrives, what position does the app ring need to be in to allow the body to take control?
At the end of the scale (largest f-number) is an "A". The ring locks into the A setting; there's a little button nearby for releasing it.
03-02-2013, 12:36 PM   #14
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M 50mm f1,7

Hi,

the M 50mm f1,7 is one of my favorite lenses. I like the sharpness and the imagequality similarly.

regards Stefan
03-02-2013, 12:56 PM   #15
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Congrats ... let us know how you like the A 50/1.7 ... J
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