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06-13-2019, 04:08 AM - 1 Like   #1
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Need advise on some lenses

Hello everyone,

Hope you are well.

I am thinking of getting a Pentax 645z used, it is very rare in my country. One photographer wants to sell his as he doesn't use it much, and insists on selling it with the lenses hes got. I have many cameras but never used a 645z before so no idea about the lenses. The lenses are:

1. 75mm 2.8
2. 120mm f4 macro
3. 33-55mm f4.5

He is asking for roughly $4650 for the whole lot and a 6x7 adapter. If you have used any of these lenses please share your experience here. The new 645 lenses are expensive and this will not be my primary camera so it is unlikely that I'll buy another lens for 645z anytime soon. I'll mainly be shooting portraits.

Thank you very much and have a great day.

06-13-2019, 04:40 AM - 2 Likes   #2
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These are all pretty good lenses- especially the macro, which is a solid choice also for portraits. The value of the 75mm and 120mm lenses will depend on whether they're A (manual focus) or FA (autofocus). Assuming the camera is in good shape, this sounds like a very reasonable deal, but I would still inspect the gear to make sure it is in good working order.

Adam
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06-13-2019, 05:19 AM   #3
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QuoteOriginally posted by Adam Quote
These are all pretty good lenses- especially the macro, which is a solid choice also for portraits. The value of the 75mm and 120mm lenses will depend on whether they're A (manual focus) or FA (autofocus). Assuming the camera is in good shape, this sounds like a very reasonable deal, but I would still inspect the gear to make sure it is in good working order.
Thank you very much. Yes, the 120mm will be nice for portraits, the other two I'll need to check if they are FA. And I'll definitely check the gear beforehand if I purchase as I had some bad experience of lens / camera tuning issue before with Nikon and also a K-1 which I used for three months. Being a DSLR, 645z might suffer the same thing too, though I expect their QC to be better than the full frame / APS-C lineup.
06-13-2019, 08:40 AM - 1 Like   #4
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QuoteOriginally posted by Manzur Fahim Quote
Thank you very much. Yes, the 120mm will be nice for portraits, the other two I'll need to check if they are FA. And I'll definitely check the gear beforehand if I purchase as I had some bad experience of lens / camera tuning issue before with Nikon and also a K-1 which I used for three months. Being a DSLR, 645z might suffer the same thing too, though I expect their QC to be better than the full frame / APS-C lineup.
You can get poor QC with even $15,000 lenses. And for the most part, failures are not about what happened at the factory, but about what happened after it left the factory. I've returned a couple of (non-Pentax) lenses, one of which was DoA. I doubt they left the factory that way.

06-13-2019, 08:58 AM - 1 Like   #5
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I bought a used 645Z about a year or so ago and use it often for portraits. As I remember, it came with a 55 and the 120. But by purchasing the older, manual-focusing lenses, I was able to add a 75, a 150 and a 200, spending not more than US$150 for any one of them. Totally wonderful.
06-13-2019, 02:03 PM   #6
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The fact that there is a 6x7 adapter in the package makes me wonder if the 75mm is for a 645 or a 6x7?
06-13-2019, 09:10 PM   #7
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QuoteOriginally posted by desertscape Quote
The fact that there is a 6x7 adapter in the package makes me wonder if the 75mm is for a 645 or a 6x7?
I need to find that out. I didn't know that, really need to research this 645 and 6x7 better haha
06-28-2019, 07:24 AM   #8
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15 months ago, I was prepared to buy a used 645z in perfect condition for $3900, body only. I had to pass on the deal when I learned my wife had reserved a new one for my birthday. But if they are rare where you live, the ability to inspect it beforehand is worth a lot.

The 120 is an excellent lens, among the best of the film-era lenses. It has the advantage of focusing down to 1:1 without an adaptor. I have made critically sharp macro photos with the 120.

The 75 is a completely competent pro-quality lens from the past.

The 33-55 is one I don’t own, but reports indicate it gets good results when used carefully, though it not among the best in the lineup. If you don’t like it, you can probably sell it and use the money for a 35mm fixed lens and a 45-85 zoom, both of which enjoy an excellent reputation.

Rick “favorable” Denney

06-30-2019, 11:22 AM   #9
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QuoteOriginally posted by Manzur Fahim Quote
Hello everyone,

...The lenses are:

1. 75mm 2.8
2. 120mm f4 macro
3. 33-55mm f4.5

. If you have used any of these lenses please share your experience here. ... I'll mainly be shooting portraits.

.
Manzur,
congrats if you decide to purchase this rig. Not sure if those are the FA or A versions, but I have experience with the A75/2.8 which is a good solid performer with good contrast and color. I also use the A120/4 which is very sharp and great for landscape and macros, IMO, but not as strong for portrait bokeh, IMO. The 150/2.8, IMO does beautiful head and shoulders portrait rendering, IMO, but could be out of your purchasing range as you stated.
06-30-2019, 06:39 PM   #10
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QuoteOriginally posted by desertscape Quote
The fact that there is a 6x7 adapter in the package makes me wonder if the 75mm is for a 645 or a 6x7?

Happening across this thread I wondered about the same thing...
07-01-2019, 01:37 AM   #11
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I had to think hard before buying the 33-55 for my D, the reviews I found mostly related to film, the 35mm prime seems to perform better. I bought the 33-55 because its range allows me to carry only either 6x7 165 or 200 to give me enough options in two lenses. The only similar wide angle is the 28-45 which is over my budget. I use it more than the 45-85 due to its wider view.
07-14-2019, 07:54 AM - 1 Like   #12
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The FA 75/2.8 is solid performer. I've only used it on film. The FA 120/4 macro is razor sharp.

Sample FA 75/2.8 Velvia 50. Midnight sun.



---------- Post added 07-14-19 at 04:57 PM ----------

The 33-55 is OK on film but I cannot imagine it is great on digital. It isn't the sharpest of lenses; particularly in the corners - but this is less of a problem for a cropped sensor. The 45-85 is significantly sharper. The 33-55 is great for its relative light weight.

Sample with the 33-55 645NII and Velvia 50

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