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02-23-2007, 07:22 AM   #1
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Rikenon 300mm f4.5 APO?

I posed a query on DPR a while back...but to the pentaxforums crowd, I ask for your opinion on this lens. I read it was right up there with Ricoh's Macro lens for sharpness. I couldn't help but wonder if is shared any design with the Pentax 300/4.5.

Anyway, does anyone have an idea on a fair price point for such a beast? I have my 300/4 SMC Takumar...I thought it might be fun to do a comparison, but I doubt I would be able to justify keeping both...although the Ricoh has a much shorter min focus distance.

Thanks!

02-23-2007, 08:44 AM   #2
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A local used camera shop has one that he allowed me to test. It is BAD! Very heavy, and just not real sharp. I compared it to my el cheapo 350mm f/5.5 T-mount lens and the el cheapo beat it in all instances.
I had a 300mmf/4 Takumar screw mt that was exceptional but like an idiot I sold it. Now I have to start saving for the new DA* version!

Walt
02-23-2007, 11:12 AM   #3
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Damn where did you find this lens! I have the XR Rikenon 50/2 and the 135/2.8 and their pretty good so I would imagine this to be pretty decent.
02-23-2007, 12:05 PM   #4
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QuoteOriginally posted by FotoPete Quote
Damn where did you find this lens! I have the XR Rikenon 50/2 and the 135/2.8 and their pretty good so I would imagine this to be pretty decent.
I can't disclose quite yet as I haven't decided whether to pick it up or not It's got a tripod mount, which is a good thing, and is in great condition. They're asking about $300 cdn.

Althought testing it would be fun, I'm thinking I'd rather find a 500/4.5 Takumar to play with!!

02-23-2007, 05:02 PM   #5
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Don't worry, I'm like flat out broke right now from LBA haha. The most $$ I paid for a lens was $150 for the Sigma 24-135 (whos in need of repair right now. Aperture ring lost function and menu blanking problems.)

Wow they want $300? Well if you think if it like a Pentax * 300/4.5 in spirit sure why not haha.
02-23-2007, 05:24 PM   #6
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the 500f4.5 is a lot of fun. be prepared to change your shooting style. you'll also need a steady tripod and head. gawd, it just never stops.
02-23-2007, 07:54 PM   #7
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I am not sure abot later Ricoh lenses, but when I bought my XR-2s (in 1981) it was clear that many of the early Ricoh lenses were made by pentax or pentax designs, right down to the white bump that alligned with the lens release button. I also know that by 1985-6 Ricoh and pentax seemd to go different ways.

My long lens is a SMC P-K 300F4, which is excellent, but they are getting hard to find. I saw a really beat up one for $500cdn.

Don't worry about lack of a tripod mount on the 300 F4 . If you look in the image gallery under my name you can see one that is easy to construct. I have 2 differetn tripod mounts, one for my *istD and one for my K10D.
02-23-2007, 10:07 PM   #8
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QuoteOriginally posted by Lowell Goudge Quote
I am not sure abot later Ricoh lenses, but when I bought my XR-2s (in 1981) it was clear that many of the early Ricoh lenses were made by pentax or pentax designs, right down to the white bump that alligned with the lens release button. I also know that by 1985-6 Ricoh and pentax seemd to go different ways.

My long lens is a SMC P-K 300F4, which is excellent, but they are getting hard to find. I saw a really beat up one for $500cdn.

Don't worry about lack of a tripod mount on the 300 F4 . If you look in the image gallery under my name you can see one that is easy to construct. I have 2 differetn tripod mounts, one for my *istD and one for my K10D.
Hey Lowell,

Actually I do have a tripod mount on my 300/4 as well...I was just mentioning selling points of that Ricoh. It's tempting to pick up the rikenon just to see what it's all about...I could probably resell without any loss. It has 6 elements in 5 groups with a min focus distance of 2.5m...I wouldn't know what Pentax lenses to compare it to in terms of specs...

Thanks!
D

02-25-2007, 12:53 AM   #9
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A 500mm Takumar? That would have to be one large piece of steel. Enough steel to make a car out of, lol.
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