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06-19-2015, 10:45 AM   #1
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Pentax eyecup chronology?

My K-3 II uses the FS eyecup, which isn't the same as the FR eyecup on my K-5. My old K-r uses FQ.

After some thought, I realized that the letter after the F designates a revision. The original F eyecup was for the SFX/SF1 film camera; the FA revision was used on the SF10. FK was used by the MZ-7 and MZ-30. Going into the digital era, the K100D used the FO eyecup, while the K10D and K20D used FP.

The K-m, K-x, and K-r share the same FQ eyecup. FR is used by the K-7, K-5, K-5 II, K-30, K-50, K-500, K-S1, and K-S2, while the latest FS is found on the K-3 and K-3 II.

Can someone compile a more complete chronology of eyecups, filling in the gaps for the film era?

—DragonLord


Last edited by bwDraco; 06-23-2015 at 10:42 PM.
06-19-2015, 11:32 AM   #2
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And what the revisions were?
06-19-2015, 03:13 PM   #3
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QuoteOriginally posted by DragonLord Quote
Can someone compile a more complete chronology of eyecups, filling in the gaps for the film era?
There were basically three rubber eye cups for Pentax Film area cameras:

- Pentax Eye-Cup I: For the Spotmatic and later screw-mount bodies.

- Pentax Eye-Cup II: For the K Series K-mount bodies.

These two are unmarked other than the "Asahi Pentax" name & "Japan" and are interchangeable between the Spotmatics and K Series bodies. The EC I is physically bigger.than the EC II. Note these will not fit on M Series or newer film bodies, see below.

- Pentax Eye-Cup M: For M Series or newer film bodies.

The EC M is marked with the "Pentax" name, the letter "M" & "Japan". Note Pentax made the viewfinder opening bigger starting with the M Series film bodies, so the older EC I & EC II will be too small.

Left to right: EC I EC II and EC M.

Phil.
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Last edited by gofour3; 06-19-2015 at 03:34 PM. Reason: Added picture
06-19-2015, 06:05 PM   #4
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FWIW the Canon A-series all rubber eye cup fits Pentax K and M film bodies.
A little softer, it stays on better than the Pentax brand hard rubber eye cup.

Chris

06-23-2015, 09:53 PM   #5
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QuoteOriginally posted by DragonLord Quote
FR is used by the K-7, K-5, K-5 II, K-01, K-30, K-50, K-500, K-S1, and K-S2
Are you sure?
06-23-2015, 10:44 PM   #6
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QuoteOriginally posted by Quicksand Quote
Are you sure?
Not sure how that got there. The camera doesn't have an EVF. A third-party replacement eyecup listed compatibility with the K-01, which doesn't make much sense. Pretty sure it's keyword stuffing on the manufacturer's or seller's part.

In any case, it's been edited out.

—DragonLord
06-30-2015, 07:25 PM   #7
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Need eyecup "extension" for K-3

QuoteOriginally posted by ChrisPlatt Quote
FWIW the Canon A-series all rubber eye cup fits Pentax K and M film bodies.
A little softer, it stays on better than the Pentax brand hard rubber eye cup.

Chris
Hello Chris --

Thanks for the helpful information. I searched for this and could not find it. Can you please provide a source of this, such as a link?

Thank you for your help!

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