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Hoya Lenses
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PostPosted: Thu Apr 30, 2015 2:14 am    Post subject: Hoya Lenses Reply with quote
A quick question about Hoya.
I am aware that they made their own very successful range of filters and it has been suggested that they made their own glass.
Did they make their own lenses as well or are these sourced from a third party?
Here is my only Hoya lens - 2.8/24. I had a short zoom at one point but sold it.
OH




PostPosted: Thu Apr 30, 2015 2:48 am    Post subject: Reply with quote
Hoya lenses are most probably made by Tokina.
Please read this: http://forum.mflenses.com/hoya-hmc-lenses-t42773.html


PostPosted: Thu Apr 30, 2015 3:55 am    Post subject: Reply with quote
Thank you for the link.
In reading that thread I came across a spreadsheet in Japanese referring to the prime lenses.
It mentions TK at the end of most items, which I take to be Tokina, There is a listing for SOZ in regard to the 2.8/135 CF lens. Not sure what that refers to.
Here is a google translation of the Japanese - such as it is:

24mm f: 2.8 8 group of eight 84 ° 27cm φ52 2.8-4-5.6-8-11-16 φ62.5 × 38 185
TK

28mm f: 2.8 7 group of seven 72 ° 30cm φ52 2.8-4-5.6-8-11-16 φ62.5 × 38 190
TK

35mm f: 2.8 5-group, six 62 ° 35cm φ52 2.8-4-5.6-8-11-16 φ62.5 × 38 190
TK

135mm f: 2.8 4 group five 18 ° 150cm φ52 2.8-4-5.6-8-11-16-22 φ63.5 × 75 380
TK: Hood built-in

135mm f: 2.8 4 group five 18.5 ° 100cm φ52 2.8-4-5.6-8-11-16-22 φ62.5 × 75 445 CF SOZ

200mm f: 3.5 4 group five 12 ° 1/3 250cm φ58 3.5-5.6-8-11-16-22 φ65 × 113.5 490
TK: Hood built-in

300mm f: 5.6 3-group, six 8 ° 1/3 450cm φ58 5.6-8-11-16-22 φ67 × 147.5 620
TK: Hood built-in

400mm f: 5.6 5 group eight 6 ° 1/6 400cm φ72 5.6-8-11-16-22 φ78 × 208.5 910
TK: Hood built-in

Cheers
OH


PostPosted: Thu Apr 30, 2015 4:02 am    Post subject: Reply with quote
CF should mean close focusing.


PostPosted: Thu Apr 30, 2015 11:33 am    Post subject: Reply with quote
Interesting info on 135mm. I was sure it is Tokina. SUN Optical would be first next choice (SOZ). Pure speculation.


PostPosted: Thu Apr 30, 2015 1:57 pm    Post subject: Re: Hoya Lenses Reply with quote
Oldhand wrote:
A quick question about Hoya.
I am aware that they made their own very successful range of filters and it has been suggested that they made their own glass.
Did they make their own lenses as well or are these sourced from a third party?
Here is my only Hoya lens - 2.8/24. I had a short zoom at one point but sold it.
OH


Gosh that's a pretty Hoya 24mm lens, OH. Congrats. I wish I had one of those. You can always spot Hoya lenses on sight by the squares on the focus grip. They are very distinctive.

I've always wanted to believe Hoya made Hoya lenses. This might be a dream, I realize. But I hold fast to the belief that Hoya could have made their own MF lenses, had they had the inclination. Where optics are concerned, Hoya was a first class outfit.

I have several Hoya lenses (but not a 24) and I treasure every one. Hope you decide to keep your 24, OH. Sale of it would be a real loss, IMHO. I don't think you could replace that Hoya 24 easily, especially not a lens in such wonderful condition as yours.


PostPosted: Thu Apr 30, 2015 4:06 pm    Post subject: Re: Hoya Lenses Reply with quote
guardian wrote:

Gosh that's a pretty Hoya 24mm lens, OH. Congrats. I wish I had one of those. You can always spot Hoya lenses on sight by the squares on the focus grip. They are very distinctive.

I've always wanted to believe Hoya made Hoya lenses. This might be a dream, I realize. But I hold fast to the belief that Hoya could have made their own MF lenses, had they had the inclination. Where optics are concerned, Hoya was a first class outfit.

I have several Hoya lenses (but not a 24) and I treasure every one. Hope you decide to keep your 24, OH. Sale of it would be a real loss, IMHO. I don't think you could replace that Hoya 24 easily, especially not a lens in such wonderful condition as yours.


I have the Tokina version of this lens and can confirm that it is quite nice. I bought it more than 30 years ago as I coudn't afford to buy the "original" 24mm lens of the camera manufacturer at that time. The only draw back was that it has a 52mm filter thread instead of 49/55mm of the camera line. In the meantime I also have the original lens but there is not much difference.
However, Hoya produces the glass for many lens manufacturers. It's one of the biggest optical glass producers on earth.
Maybe you have more Hoya lenses than you know.
Especially for my eye-glasses I prefer Hoya over Zeiss because their coating is much better. Wink


PostPosted: Thu Apr 30, 2015 7:03 pm    Post subject: Reply with quote
Pancolart wrote:
Interesting info on 135mm. I was sure it is Tokina. SUN Optical would be first next choice (SOZ). Pure speculation.


https://translate.google.com/translate?sl=ja&tl=en&js=y&prev=_t&hl=hr&ie=UTF-8&u=http%3A%2F%2Fwww.hi-ho.ne.jp%2Fsbko-hq%2FOTHERS%2FHMC_135mmCF.html&edit-text=


PostPosted: Thu Apr 30, 2015 10:06 pm    Post subject: Reply with quote
I've got the 24 2.8, exactly the same, in Olympus OM and it's a very good lens. I had the 28 2.8 as well but that's with one of our members in the USA now.


PostPosted: Fri May 01, 2015 6:44 am    Post subject: Reply with quote
WolverineX wrote:
Pancolart wrote:
Interesting info on 135mm. I was sure it is Tokina. SUN Optical would be first next choice (SOZ). Pure speculation.


https://translate.google.com/translate?sl=ja&tl=en&js=y&prev=_t&hl=hr&ie=UTF-8&u=http%3A%2F%2Fwww.hi-ho.ne.jp%2Fsbko-hq%2FOTHERS%2FHMC_135mmCF.html&edit-text=

Hmm. I have problem with this explanation. It mentions CHINO which makes no sense. But Ozekku gives clue.
Bellow is Ozone Optical Ozeck 2.8/135mm lens very frequent lens for Fujica-X. Heavy sturdy made (i have it):



So perhaps SOZ could stand for S + (O)zone (O)ptical.

Sadly i do not own Hoya Close Focusing variant neither Ozeck Close Focusing to compare directly.


PostPosted: Fri May 01, 2015 6:48 am    Post subject: Reply with quote
google translate is always questionable, especially translating from japanese. so name of company SOZ in japanese might be different than it is know in rest of the world


PostPosted: Fri May 01, 2015 7:48 am    Post subject: Reply with quote
I had a copy of the Hoya 24/2.8 a couple of years ago and performance was very similar to the Vivitar 24/2.8 (also Tokina made). I found it slightly better than the Tamron 24/2.5 but inferior to the Nikon AI 24/2.8 at all apertures.

It's a lovely looking lens BTW Smile
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