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Guide to Pentax K series lens hoods
Posted By: gofour3, 06-06-2013, 04:53 PM

After increasing my K series lens collection over the past couple years, I found information relating to the original lens hoods greatly lacking. Even top notch sites like "Bojidar Dimitrov’s Pentax K-Mount Page" are confusing with their lens hood terms.

Even though there are a couple of exceptions, you can generalize that K series lens hoods are plastic clip-on and come in two filter thread sizes, 52mm & 58mm. The terms PH-S58 did not exist back then and lens hoods were marked with the filter thread size on the back and the lenses the hood was designed for on the front. Rubber, mental and screw mount hoods were generally not used for the K series lens hoods. The clip-on lens hoods for wide angle and standard lenses came with a hard case, the clip-on telephoto hoods were designed to fit in the hard lens case with the lens.

The following is a list of all K series lenses and indicates if they have a clip-on or built in hood. I have made up my own name for each hood and have attached pictures of the front and back if possible.


K15/3.5: Built-in hood
K17/4 Fish-eye: Built-in hood
K18/3.5: Square 58mm - Ultrawide
K20/4: Square 58mm - Ultrawide
K24/2.8: Dedicated square 52mm plastic
K24/3.5: Square 58mm - Ultrawide
K28/2: Square 52mm - Wide
K28/3.5: Square 52mm - Wide
K28/3.5 Shift: Built-in hood
K30/2.8: Square 52mm - Wide
K35/2: Square 52mm - Wide
K35/3.5: Square 52mm - Wide
K50/1.2: Square & Round 52mm - Standard
K50/1.4: Square & Round 52mm - Standard
K50/4 Macro: Not required
K55/1.8: Square & Round 52mm - Standard
K55/2: Square & Round 52mm - Standard
K85/1.8: Round 52mm – Short Telephoto
K85/2.2 Soft: Round 49mm – Short Telephoto
K100/4 Bellows: Round 52mm – Short Telephoto
K100/4 Macro: Round 52mm – Short Telephoto
K105/2.8: Round 52mm – Short Telephoto
K120/2.8: Round 52mm – Telephoto
K135/2.5: Round 58mm – Telephoto
K135/3.5: Round 52mm – Telephoto
K150/4: Round 52mm – Telephoto
K200/2.5: Built-on hood which extends
K200/4: Round 58mm – Telephoto
K300/4: Built-on hood which extends
K400/5.6: Built-on hood which extends
K500/4.5: Built-on hood which extends
K1000/8: Built-on hood which extends
K1000/11 Reflex: Built-on hood which extends
K2000/13.5 Reflex: Built-on hood which extends
K28-50/3.5-4.5 Zoom: Dedicated round 52mm screw-on metal
K45-125/4 Zoom: Dedicated round 58mm - 67mm screw-on two part metal
K80-200/4.5 Zoom: Built-on hood which extends
K85-210/3.5 Zoom: Dedicated round 67mm screw-on metal
K85-210/4.5 Zoom: Round 58mm – Telephoto
K135-600/6.7 Zoom: Built-on hood which extends
K400-600/8-12 Reflex Zoom: Dedicated round 67mm screw-on metal


Square 58mm - Ultrawide



Dedicated square 52mm plastic for the K24/2.8



Square 52mm - Wide



Square & Round 52mm - Standard



Round 52mm – Short Telephoto



Round 49mm – Short Telephoto



Round 52mm – Telephoto



Round 58mm – Telephoto



Dedicated round 52mm metal for the K28-50/3.5-4.5



Dedicated round 67mm two part metal for the K45-125/4.0 (The thin part on the right is a 58mm - 67mm step-up ring)



Dedicated round 67mm metal for the K85-210/3.5


Last edited by gofour3; 10-07-2014 at 09:03 AM. Reason: as per request changed yellow to Orange
Views: 18,775
06-08-2013, 11:16 AM   #2
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Phil: What a wonderful resource and great post! Thank you. I have a few missing from your photos if you'd like me to add them.
09-17-2013, 07:51 AM   #3
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Phil is the K man.
10-09-2013, 08:51 AM   #4
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Excellent resource, thanks Phil! Now if only it were easier to find the things for sale...

From the photo of the 58mm ultra wide hoods I take it these are the same except for the text? I'm wondering if my Takumar 24/3.5 hood will be appropriate for the K18/3.5.

02-03-2014, 06:52 AM   #5
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Just stumbled on this trying to find posts on lens hoods in general. Great resource. One suggestion - could you use a different color instead of the yellow - I find I can't read that text on my screen with its current settings.
10-07-2014, 09:03 AM   #6
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QuoteOriginally posted by MSL Quote
Just stumbled on this trying to find posts on lens hoods in general. Great resource. One suggestion - could you use a different color instead of the yellow - I find I can't read that text on my screen with its current settings.
Thanks for the suggestion, I made the change from yellow to orange.

Phil.
04-26-2015, 04:29 AM   #7
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great guide thanks its hard to find the right case.

i had this one on my M 100 macro ... i know it is a k thread but did you know if its the right one?
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04-26-2015, 08:39 AM - 1 Like   #8
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QuoteOriginally posted by edilioilre Quote
great guide thanks its hard to find the right case.

i had this one on my M 100 macro ... i know it is a k thread but did you know if its the right one?
The manual for the period states the markings designate the focal length for which the hood is suitable. While I have always associated your hood with the M100/2.8 we can see it is marked for 100MM f/2.8 - 4.0. Boz's page quotes the PH-R49 screw-on hood as the one your lens was supplied with, but this one should be fine for your Macro lens.

FWIW, your hood (SMC PENTAX 1:2 85mm 1:2.8-4 100mm) is actually listed as specified for the M100/2.8 along with the PH-R49.


Last edited by monochrome; 04-26-2015 at 10:21 AM.
04-28-2015, 12:53 PM   #9
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Nice list, but the 49mm hood belongs to the M generation.
04-28-2015, 01:03 PM   #10
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QuoteOriginally posted by glasbak Quote
Nice list, but the 49mm hood belongs to the M generation.
smc 85/2.2 Soft is a specialty portrait lens. It has 49mm filter threads, unique amongst the SMC/smc-series lenses.

Exact Name smc PENTAX SOFT 1:2.2 85mm -- Though it is contemporary with M-series lenses there is no M designation in the actual lens title
Color black
Years of Production 1986 ~ 1990
Availability used, several times a year
Sales Variations
Catalog Number 23160 23160
Sold with Hood screw-on hood: PH-R49 —
Sold with Case soft case: SA-110 soft case: SA-110
04-28-2015, 01:21 PM   #11
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QuoteOriginally posted by monochrome Quote
smc 85/2.2 Soft is a specialty portrait lens. It has 49mm filter threads, unique amongst the SMC/smc-series lenses.

Exact Name smc PENTAX SOFT 1:2.2 85mm -- Though it is contemporary with M-series lenses there is no M designation in the actual lens title
Yeah, I know, but actually its an 'A' generation lens without 'A' functionality, that is probably why they could not name it 'A', and the 'M' series was already phased out, so that was not an option either.
Designating it as a K series lens is a bit strange, it came about 10 years too late.
04-28-2015, 02:12 PM   #12
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QuoteOriginally posted by glasbak Quote
it came about 10 years too late.
86-90, I think

It's an smc lens - and unique. Probably shouldn't be in this list but for the designation.
05-05-2015, 06:33 AM   #13
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QuoteOriginally posted by monochrome Quote
The manual for the period states the markings designate the focal length for which the hood is suitable. While I have always associated your hood with the M100/2.8 we can see it is marked for 100MM f/2.8 - 4.0. Boz's page quotes the PH-R49 screw-on hood as the one your lens was supplied with, but this one should be fine for your Macro lens.

FWIW, your hood (SMC PENTAX 1:2 85mm 1:2.8-4 100mm) is actually listed as specified for the M100/2.8 along with the PH-R49.
Thanks
05-06-2015, 02:40 PM   #14
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QuoteOriginally posted by glasbak Quote
Yeah, I know, but actually its an 'A' generation lens without 'A' functionality, that is probably why they could not name it 'A', and the 'M' series was already phased out, so that was not an option either.
Designating it as a K series lens is a bit strange, it came about 10 years too late.
The 85/2.2 Soft is listed on the Dimitrov's web site as a "K" lens as well as this Forum. So even though it is a late addition, it's still considered a "K" Series lens.

K 85/2.2 Soft

And yes the hood is a "M" Series.

Phil.
01-24-2016, 09:12 AM   #15
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I'm looking for the rectangular hood PH-S58. I know it is very hard to find, but could someone give me the dimensions of this hood. Perhaps there are alternatives that will fit on my new SMC Pentax K 20/4.
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