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04-30-2013, 12:14 AM   #1
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MZ-7 Lenses to fit on newer Digital bodies?

I have a MZ-7 SLR Pentax camera. I don't thinnk I have shot 10 films with it when digital took over the market. It has 2 great lenses which I do not want to loose:
Pentax 28-80 mm auto zoom & focus and
Pentax 800320 mm auto zoom & focus

I now want a fully digital camera with which I can still fully use the 2 lenses.

Which models would you suggest I look at
and what will be the most cost effective option for me.

I had a Pentax P30 before which was stolen and Iv'e been using Pentax since 1986...

Please advise.

Jeannie de Wet

04-30-2013, 12:39 AM   #2
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You can use those with any Pentax DSLR but if your 28-80 has power zoom than it won't work with most bodies, only some of the old ones, not sure which.

The K-30 goes for less than $600, that's a steal. If you can still get a K-5 for similar price I'll go for that.
04-30-2013, 01:57 AM   #3
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and keep in mind that you will lose wide angle on cropped DSLR's, your lenses will practically become:
42-120mm and 120-480
so it might be wise to purchase DSLR with a kit lens 18-55 ( that will give you 27-82.5 film equivalent view)
kind regards
04-30-2013, 02:25 AM   #4
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Hallo Jeannie, welkom en geniet die forums. You'll be able to use those lenses. If you put the aperture ring on "A", it works as good as any new lens. Have a look at the review section to get more information on your lenses, SMC Pentax-FA 80-320mm F4.5-5.6 Reviews - FA Zoom Lenses - Pentax Lens Reviews & Lens Database and also the Lens Sample Photo Archivehttp

I'll suggest you get the Pentax K-30 with the weather sealed DA 18-55mm kit if you can

EDIT: Here in South Africa you can order Pentax products through Foto First. I like buying locally, even if it is a bit more expensive, then you don't have any hassles if you have to return it for some reason...

Last edited by altopiet; 04-30-2013 at 02:31 AM.
04-30-2013, 02:56 AM   #5
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K-30 is a good start, you can also invest in a used K-5. Even if either of your lenses has power zoom, it will work to some extent. I love my F 28-80 3.5-4.5, so if you have that version, I don't blame you for wanting to keep it.
04-30-2013, 05:50 AM   #6
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Hi Jeannie,

Neither of your lenses gets the best reviews in the database here:

However, if you're happy with them, then that's good.

As others have pointed out, the standard zoom doesn't offer wide angle on APS-C cameras. On the plus side, the telezoom is very long indeed. You can possibly replace the 28-80mm with a now-inexpensive Sigma 17-70mm F2.8-4.5.

The most cost-effective option that offers good low-light performance (which you'll need with these two lenses) is a second hand Pentax K-x or K-r (the latter is rather better but the former is somewhat cheaper). You should be able to get one of these for somewhere in the region of 220-300. If you want to stand out, you can get them in funky colours too.
04-30-2013, 04:14 PM   #7
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The K10D, K20D, K-7 do support power zoom, the K100D, K200D, K-x, K-r don't, so it's not old versus new.
About the *istD models I am not sure.

There is a list from 2009 by falc
(post #4)

I used the FA 28-80mm F3.5-4.7 (the powerzoom one) in the late film era and was not satisfied with IQ.
Not long ago, a film body I bought from eBay came with a FA 28-80mm F3.5-5.6 (non-powerzoom).
After comparing the two FA 28-80 on my K200D, I sold the powerzoom together with another body.
With a couple of real life shots, the IQ of the PZ-shots was never better, but often worse than from the non-PZ.
Of course my results could have been caused just by copy variation.

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