Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
09-02-2013, 02:58 PM   #1
Junior Member




Join Date: Apr 2013
Posts: 32
Ranyox 250 with Pentax 100 2.8 WR

Hello all,

I recently acquired the Pentax 100 2.8 WR lens and would like to use the Raynox 250 along with it. Since the raynox is attached to the universal adapter for
52mm to 67mm filters, do I need to get a separate adapter so I can use it with my lens? Is there a way to remove the universal adapter from the raynox so I can attach it directly to the Pentax?

Thanks for any suggestions!

Bella

09-02-2013, 03:10 PM   #2
Moderator
Site Supporter
photolady95's Avatar

Join Date: May 2009
Location: Cruising PentaxForums and watching your back.
Photos: Gallery | Albums
Posts: 8,868
What is the filter size on your lens? If 49, just buy a step up ring 49 to 52, to fit the lens, and then you can just clip the DCR-250 onto that.
09-03-2013, 07:35 PM   #3
Junior Member




Join Date: Apr 2013
Posts: 32
Original Poster
The filter size on the Pentax is 49mm but the mounting thread of the Raynox is actually 43 mm, so wouldn't I need a step-down ring? Thanks for the quick reply!
09-03-2013, 07:40 PM   #4
Moderator
Site Supporter
photolady95's Avatar

Join Date: May 2009
Location: Cruising PentaxForums and watching your back.
Photos: Gallery | Albums
Posts: 8,868
I was saying that since your lens is only 49mm you could buy a step up ring 49 to 52, then just use the clip that comes with the DCR-250 and clip it to the step up ring.. That's what I did because I have two lenses that are 49mm. Or you could do it the way you said. I needed the ring because I have closeup lenses and I wanted to use them on a new lens and the closeups are 55mm So I bought a 49 to 55mm step up ring. That way I can use either the DCR 250 or my closeup lenses..

09-04-2013, 06:02 AM   #5
Junior Member




Join Date: Apr 2013
Posts: 32
Original Poster
QuoteOriginally posted by photolady Quote
I was saying that since your lens is only 49mm you could buy a step up ring 49 to 52, then just use the clip that comes with the DCR-250 and clip it to the step up ring.. That's what I did because I have two lenses that are 49mm. Or you could do it the way you said. I needed the ring because I have closeup lenses and I wanted to use them on a new lens and the closeups are 55mm So I bought a 49 to 55mm step up ring. That way I can use either the DCR 250 or my closeup lenses..
Thanks so much for clearing that up for me

I also want to look into getting even closer macros. The Pentax 100 does not have an aperture ring, so would it be worth stacking it with a fast prime like 50/1.8 or is there a better way to get more magnification while still keeping up the IQ. I want to get really close shots of water drops and snowflakes in the winter.
09-04-2013, 06:18 AM   #6
Site Supporter
boriscleto's Avatar

Join Date: Dec 2009
Location: Liverpool, NY
Photos: Gallery
Posts: 12,284
https://www.pentaxforums.com/forums/pentax-lens-articles/152336-cheap-macro-b...lose-work.html
09-04-2013, 08:28 AM   #7
Moderator
Site Supporter
photolady95's Avatar

Join Date: May 2009
Location: Cruising PentaxForums and watching your back.
Photos: Gallery | Albums
Posts: 8,868
Boris gave it to you. Over slept this morning. But I wanted to let you know that you can't use AF for doing macro, in case you didn't already know this.
09-04-2013, 05:17 PM   #8
Senior Member




Join Date: Sep 2011
Photos: Gallery | Albums
Posts: 268
Originally I was thinking of using extension tubes for macro but since the raynox adaptors are at a good price at the moment I will get I have to get either the 150 or 250.
Can someone recommend which is the most suitable to use with the k135 lens. It takes a 58mm filter so the adaptor fits but I am wondering if the 250 will have too narrow depth of field making it difficult to use handheld. Although its close focus is not good at 150 cm so maybe the 250 would be ok.

Any advice would be much appreciated

09-04-2013, 05:22 PM   #9
Moderator
Site Supporter
photolady95's Avatar

Join Date: May 2009
Location: Cruising PentaxForums and watching your back.
Photos: Gallery | Albums
Posts: 8,868
The DCR-150 would work better on your 135mm than the DCR-250 which is better on lenses below 100mm. The DOF on the 250 is really thin.

EDIT: Read throught these pages. The first few pages talk about the different Raynox adapters.

https://www.pentaxforums.com/forums/lens-clubs/74221-raynox-macro-club.html
09-04-2013, 05:32 PM   #10
Senior Member




Join Date: Sep 2011
Photos: Gallery | Albums
Posts: 268
QuoteOriginally posted by photolady Quote
The DCR-150 would work better on your 135mm than the DCR-250 which is better on lenses below 100mm. The DOF on the 250 is really thin.

EDIT: Read throught these pages. The first few pages talk about the different Raynox adapters.

https://www.pentaxforums.com/forums/lens-clubs/74221-raynox-macro-club.html
Thanks for the advice and the link
09-04-2013, 05:41 PM   #11
Moderator
Site Supporter
photolady95's Avatar

Join Date: May 2009
Location: Cruising PentaxForums and watching your back.
Photos: Gallery | Albums
Posts: 8,868
Okay, I have one more link for you. Read post #20 from Audiobomber:

https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/65837-dcr-150-macro-2.html

This is the thread I started when I wanted to buy one of those adapters. It has some good info there as it explains about the differences between the two adapters, also.
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
adapter, k-mount, lens, pentax, pentax lens, raynox, slr lens, wr
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
For Sale - Sold: Pentax 100/2.8 Macro WR (DFA-SMC) benroy Sold Items 2 02-14-2012 11:30 AM
For Sale - Sold: Samsung D-Xenon Macro 100 2.8 (same as DFA 100 2.8 Non-WR) icywindow Sold Items 4 12-07-2011 10:35 AM



All times are GMT -7. The time now is 03:59 PM. | See also: NikonForums.com, 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?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top