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05-12-2021, 03:48 PM   #16
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QuoteOriginally posted by RICHARD L. Quote
The older original DA or the new HD DA 55-300 mm ?
its the older SMC version

05-12-2021, 04:55 PM   #17
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QuoteOriginally posted by shyrsio Quote
ts the older SMC version
I thought so. The newer HD DA version performs way better than the old one, so much so one would believe it's an entirely different design. The HD coating enhances contrast and "apparent" sharpness.

Regards

---------- Post added 05-12-21 at 07:56 PM ----------

QuoteOriginally posted by reduno Quote
I'm sure there is some sample to sample variation that comes into play.
I agree totally.

Regards
05-12-2021, 08:36 PM   #18
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QuoteOriginally posted by RICHARD L. Quote
I thought so. The newer HD DA version performs way better than the old one, so much so one would believe it's an entirely different design. The HD coating enhances contrast and "apparent" sharpness.

Regards

---------- Post added 05-12-21 at 07:56 PM ----------



I agree totally.

Regards
That has been my experience also. As to cameras used, I've never considered putting it on my K-1 II, which I prefer to use in the less telephoto range anyway. For longer telephoto I prefer going with APS-C. I even like this lens quite a lot on my 16mp K-5 IIs, which would be similar to crop mode on the K-1II, but the lens really is at its very best on my KP.
05-13-2021, 05:58 AM   #19
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when switching from apsc (K30) where I was covered in the range from 12mm to 300mm to ff (K1) I matched the coverage range from 19mm to 320mm + af adapter x1.7, I'm just an amateur and I can't afford the top Pentax optics, I read a lot about telephoto lenses about FAJ 75-300 ~ FA 100-300 black ~ FA 100-300 silver ~ FA 80-320 black ~ FA 80-320 silver, after a long weighing of the accumulated experiences and decided on the optical quality and construction quality I am for FA 80-320 silver, I presented my impressions and experience in: SMC Pentax-FA 80-320mm F4.5-5.6 Reviews - FA Zoom Lenses - Pentax Lens Reviews & Lens Database,
Who is financially limited and wants telezum for FF format (which also works with Pentax af x1,7 adapter) I recommend FA 80-320 silver,

in fact for me as an amateur lens Pentax FA 80-320 / 4,5-5,6 SILVER is a very neglected / discriminated / belittled lens with a nice bokeh and that can be adapted for top amateur works : , ,,


and for professional work (professional work because it was done to order and my work was paid),, with more effort / processing, eg:

K1 + FA 80-320 / 4,5-5,6 SILVER ,+ study conditions, + post-processing (for poster size A0):



Last edited by mbukal; 05-13-2021 at 07:14 AM.
05-13-2021, 06:53 AM   #20
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I liked my old black FA 80-320 mm f/4-5.6 a lot too. Except, I paid very little for it (115 $ at the time). Repairing it after it stopped working would have cost more than the purchase price and I would have stayed stuck with an old "average quality" lens. Acquiring a used HD DA 55-300 mm f/4-5.8 ED WR was one of my luckiest purchases, I never thought it would perform like it does on APS-C.

FA 80-320 mm

HD DA 55-300 mm

For the K1, I use a DFA* 70-200 mm f/2.8 HD and an FA 300 mm f/4.5 ED. My 645 FA 400 mm f/5.6 and P67 500 mm f/5.6 telephotos also fit on the K1 with the proper Pentax adapters.

Last edited by RICHARD L.; 05-13-2021 at 08:57 AM.
05-13-2021, 02:00 PM   #21
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In the past I compared my fa 80-320 to my plain old smc da 55-300 and found the 55-300 better - primarily due to less purple fringing. The comparison was on my k-3.
05-13-2021, 02:44 PM   #22
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A few years back I had the chance to compare 3 different 80-320s, 2 black and a silver one. After reparing the faulty infinity focusing of the silver one, it turned out that the three copies behaved quite differently. One of the black was significantly better than the other black and the silver one. I would conclude, that the "plastic fantastic" 80-320s have significant variations between copies.

On the other hand I had a DA-L 55-300 which I replaced by a DA 55-300 which I finally replaced by a DA 55-300 WR - and honestly, there was no difference that caught my eye apart from the fact that I needed the WR for shooting in the desert.


Last edited by UMC; 05-14-2021 at 02:06 AM.
05-13-2021, 03:08 PM   #23
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Well, my recently acquired HD DA 55-300 mm f/4-5.8 ED WR performs like a champion on my K3. Here is an example taken last week @ 300 mm FL and f/8 on tripod. Much better than my older DA 55-300 mm, which I gave to my daughter with a K10.

05-21-2021, 08:23 AM   #24
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I also prefer older FA rendering a little bit. The 80-320 is by no means a perfect lens and doesn't even perform as well as my SMC-A 70-210mm f/4 Macro. But I do get some pleasing pictures from it, and when I just want one AF lens for shooting my kids sports in daylight, that ends up being the lens I take.
I'm sure the 55-300 lenses are very good as well but I think that they are probably at a similar level as pointed out here before - the 80-320 renders colors more to my taste, but the 55-300 has less CA. I always choose the rendering I like better because CA is fixable, so for me the 80-320 was my affordable AF long reach lens.
By the way - I bought a 58mm metal hood for it and I find it makes a lot of difference.

At 320mm


At 80mm

Last edited by ChristianRock; 05-21-2021 at 08:30 AM.
05-21-2021, 11:41 AM   #25
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QuoteOriginally posted by ChristianRock Quote
- the 80-320 renders colors more to my taste,because CA is fixable, so for me the 80-320 my affordable AF long reach lens.
By the way - I bought a 58mm metal hood for it and I find it makes a lot of difference.

--------------------------------------------good ---------------------------------------------------------------------------------------------- better ---------------------------------------------------------------------------------------------- the best -------------------------------------------------------------------------



Last edited by mbukal; 05-21-2021 at 12:46 PM.
05-21-2021, 12:33 PM - 1 Like   #26
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The FA 80-320 makes more sense for FF. The best option for a compact telephoto zoom for APS-C is the DA 55-300 PLM --- but that's lens doesn't work with some of the older cameras and is $300+. For cash strapped shutterbugs, the DA-L 55-300 may be the best option. But neither of the 55-300's are of optimal for FF users, for obvious reasons. The DFA telephoto zoom options for FF are quite large, heavy, and expensive, with the least expensive ($1000) being the DFA 70-210. That lens still weighs two pounds, does not render like Pentax lenses (because it's designed by Tamron), and doesn't quite reach professional quality in edge to edge sharpness at the longer end of the lens (in its Tamron variant, it's not even an SP lens). The FA 80-320 is actually pretty good at the wide end, particularly if you stop the lens down a bit. Even more than that, the way the detail is rendered by the lens is really rather life-like, giving a sense of depth and presence, even when everything photographed is in focus. It's actually excellent choice for doing telephoto landscapes on the K-1 --- far and away the best option and its price and weight.






05-27-2021, 09:52 AM - 1 Like   #27
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QuoteOriginally posted by UMC Quote
The common problem with the black FA 80-320s is that the mount of the PCB inside the barrel breaks. Here Microsoft OneDrive - Access files anywhere. Create docs with free Office Online. you can find 2 repair instructions that I found years ago on the internet. I applied the glue method to my copy and it has been fine ever since then. However, the 80-320 still is a "cheapo"-lens - the newer 55-300 outperforms it by far on APS-C. Using the K-1 - well, the D-FA 150-450 is the better option, but it weighs something like 10 times as much as the 80-320
Always funny, to see my own posts back after years, the middle document is a (google?) translation (cannot remember to have posted this to an english site) of my original post (oct-2012) to a dutch pentax forum.

I hope it helps someone to repair a broken lens.
06-05-2021, 07:26 AM   #28
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Well, it's official, I give up

After spending about 3 hours dismounting and reassembling the lens, I managed to consolidate the plastic PCB support that seems to be the issue for me and many others, and I managed to not make the situation worse (which is already a win - sort of), but I have not gotten back the aperture data, zoom data or autofocus ability.
Will retire it and keep it for parts! I can't see myself using a FA-zoom lens in full manual mode...

Many thanks to @glasbak for writing the tutorial long ago (I'm pretty sure I saw an associated thread and pictures on a UK forum, but without the complete instructions) and to @UMC for safekeeping the document ans sharing it! That was not time lost; I've learned quite a lot
06-06-2021, 05:04 AM   #29
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My old FA 80-320 mm had lost all communication with the driving software of the K3 body. I thought by setting the "enable diaphragm" function in the MENU and using the aperture ring manually, I would be able to utilize the lens as an older model without the "A" position. No way ! The diaphragm does not close, it stays wide-open @ f/4.5 all the time. So it would be "usable" wide-open (its worst position for contrast and sharpness), but the aperture no longer closes anymore.

Regards
06-11-2021, 11:42 AM   #30
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I don't know what happens with these electronics but sometimes when they're gone, they are gone because some component broke down and you can't just revive it.

I had an SMC-A 24mm f/2.8 that behaved like a K lens, the A contacts didn't work. The previous owner sent it to Eric Hendrickson who disassembled the whole thing and could never get the contacts back to work. So if Eric can't fix it, I'd say it can't be fixed.

I ended up passing it to another forum member because I was going to get a DA 21mm... which I ended up never getting. C'est la vie.
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