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12-20-2012, 02:59 PM   #31
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QuoteOriginally posted by nocturnal Quote
Did it vignette?
It's still en route from China.

12-20-2012, 03:21 PM   #32
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Ah I'll hear from you in 3 weeks then!
12-21-2012, 08:23 AM   #33
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I just ordered a 49-28mm stepdown ring on ebay for my F28 f2.8. The only 28mm lens caps that I'm finding are push-on caps. Any suggestions?
12-21-2012, 08:44 AM   #34
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QuoteOriginally posted by vaper Quote
I just ordered a 49-28mm stepdown ring on ebay for my F28 f2.8. The only 28mm lens caps that I'm finding are push-on caps. Any suggestions?
Step down to a diameter for which you can find a useable cap?

12-21-2012, 11:29 AM   #35
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QuoteOriginally posted by vaper Quote
I just ordered a 49-28mm stepdown ring on ebay for my F28 f2.8. The only 28mm lens caps that I'm finding are push-on caps. Any suggestions?
Try this: linky.
12-21-2012, 12:50 PM   #36
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Has anyone tried cutting the hole or a rectilinear shape from a lens cap?

Just a thought
12-21-2012, 08:25 PM   #37
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QuoteOriginally posted by SOldBear Quote
Try this: linky.
Thanks. Will do.
01-08-2013, 12:40 PM   #38
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QuoteOriginally posted by audiobomber Quote
I have a standard 49mm rubber hood on my FA 28mm now and a 49-28 step-down on order. I tried the DA 40mm hood and it vignetted noticeably.
I received the 49-28mm step-down adapter today. It vignettes in the corners on the FA 28mm. It does not vignette on the FA 50 f1.4, FA 35 f2, DA 40mm Ltd, or the D FA 100mm macro. The 49-28mm adapter does not provide as much shade as the Pentax petal hood for the FA 35 or the rectangular hood for the FA 50, but is a tiny bit more closed in than the metal hood supplied with the DA 40.

QuoteOriginally posted by audiobomber Quote
I dont' know how it will work yet, but if it vignettes I intend to file away the corners.
I'm not going to file it down. I can use it with the compatible lenses once in a while, for its compact size.


Last edited by audiobomber; 01-08-2013 at 01:31 PM.
01-08-2013, 12:41 PM   #39
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Original Poster
thanks for the info on this!!
01-08-2013, 01:10 PM   #40
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QuoteOriginally posted by audiobomber Quote
It vignettes (...) on the D FA 100mm macro.
Is this the WR version, or the one with aperture ring?

I briefly tried 49-28 on the WR version, and didn't find it vignetting. The lens is currently in Eric's shop so I can't test it.
01-08-2013, 01:30 PM   #41
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QuoteOriginally posted by SOldBear Quote
Is this the WR version, or the one with aperture ring?

I briefly tried 49-28 on the WR version, and didn't find it vignetting. The lens is currently in Eric's shop so I can't test it.
I'm glad you asked about this, because I redid my test. The lens is a D FA with aperture ring. I don't see classic vignetting, but the whole frame is a little darker with the hood attached. It looks like I was seeing veiling flare in the shot with no hood, and the hood added enough contrast that the image darkened noticeably. I retract my previous statement, the 49-28 adapter works well on the D FA 100. I will edit my post above with this correction so as not to mislead anyone. I may leave the adapter on this lens for macros, it provides better protection at macro distances than the Pentax hood. Thanks SOldBear.
03-18-2017, 10:49 PM - 1 Like   #42
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I use the Pentax MH-RA 49mm lens hood on my A 28 2.0. It's the dedicated hood of the FA 43 1.9. On APS-C, there is some vignetting even without the hood. With the hood on, the vignetting looks about the same. So I guess the hood is perfect on APS-C. The hood is aluminum with felt inner padding. Really good build. Looks like they're made for each other. Wish I had a cap to go with it.

[COLOR="Silver"]

Last edited by phs; 03-18-2017 at 10:50 PM. Reason: double
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