Forgot Password
Pentax Camera Forums Home

Third-Party Pentax Lenses - Reviews and Database » Ricoh Lenses » Prime Lenses
Rikoh Rikenon P 50mm  F1.7 Review RSS Feed

Rikoh Rikenon P 50mm F1.7

Reviews Views Date of last review
17 76,671 Sat April 6, 2019
Recommended By Average Price Average User Rating
94% of reviewers $24.22 8.88
Rikoh Rikenon P 50mm  F1.7

Rikoh Rikenon P 50mm  F1.7
Rikoh Rikenon P 50mm  F1.7
Rikoh Rikenon P 50mm  F1.7

Ricoh K-mount manual focus, manual aperture standard lens.
Price History:

Add Review of Rikoh Rikenon P 50mm  F1.7
Sort Reviews by: Date | Author | Rating | Recommendation | Likes (Descending) Showing Reviews 16-17 of 17
Veteran Member

Registered: March, 2009
Location: Salt Lake City, UT
Posts: 509
Lens Review Date: January 12, 2010 I can recommend this lens: Yes | Price: None indicated | Rating: 8 

Pros: Light, compact, well made, pricise, good image quality
Cons: A bit plasticky; less resistent to flares than the pentax;

I had a Rikenon P f/1.7 50mm. It did not have the "pin." It worked well on my K10d. It worked as a K or M lens. One has to do stop down metering. It seems a bit smaller than the Pentax.

It is not as well built as a Pentax K and M series lens, but it is more affordable and it is very compact and light weight. While a little bit plasticky, it is reasonably well constructed and feels precise in hand. Not resistant to intensive use. Numbers were printed instead of itched to the body.

No mid-stops between apertures. Easier to get flares when wide open than a Pentax. Apparently, the coating is not as good as SMC. Dust is relatively easy to get in.

If you can get a Pentax for about $45, you should get the Pentax one. BUT I am not unhappy with my Ricoh.
Forum Member

Registered: November, 2008
Posts: 99

1 user found this helpful
Lens Review Date: January 2, 2010 I can recommend this lens: Yes | Price: None indicated | Rating: 10 

Pros: Sharp, great colors, light, compact
Cons: No "A" on Pentax

This is a fantastic lens. Believe it or not but this lens retired my Pentax-A 50/1.7.

Although it has an automatic aperture on Rikoh cameras on Pentax it does not work, as the "A" contact position is different from Pentax. So you need to stop-down. In regard to the notorious rikenon pin I can say that I have had no problem on my K100D Super -- easy to mount and easy to take of. The pin itself is a tiny ball-like thing which does not jam anywhere but I can only speak for my camera model.

Compared to Pentax-A focusing is easier and smoother. The lens itself is a bit lighter and more compact than Pentax. Colors, sharpness, bokeh are very good. Great pictures both indoors and outdoors.

Here are some sample photos that I took with this lens:
Add Review of Rikoh Rikenon P 50mm  F1.7

All times are GMT -7. The time now is 10:15 PM. | See also:, part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]