stuny Posted September 6, 2013 Share #41 Â Posted September 6, 2013 Advertisement (gone after registration) John - Â I suggest you read Barbara's trip notes on Botswana (Barbara & Stu's Excellent Vacations) which are shorter than most of her trip notes - She was too busy when we returned. Most of the wildlife photos are with DMR/R8/2X/80-200 (Barbara & Stu's Excellent Vacations) Â Have a wonderful time - Botswana is a very special place. Link to post Share on other sites More sharing options...
Advertisement Posted September 6, 2013 Posted September 6, 2013 Hi stuny, Take a look here The APO 2X Extender. I'm sure you'll find what you were looking for!
satijntje Posted September 7, 2013 Share #42 Â Posted September 7, 2013 Hi, my M240 is going to arrive within a few days, and I like to buy the 4.0 80-200 R lens. Â In order to shoot longer I was thinking of getting an APO 2x extender between the R-M converter and the R lens. Â Now I see that there are huge price differences between the x2 APO extenders, ranging from 250 euro (yes it is an APO) and 1500 Euro. Â My question: are there several types of this extender on the market, and why are there so big price differences (ROM?) Â Looking forward to your opinions! Â John Link to post Share on other sites More sharing options...
jaapv Posted September 7, 2013 Share #43 Â Posted September 7, 2013 1500 Euro is ridiculous, 250 should be a beater. No, there is only one version optically. ROM is irrelevant on the M. Link to post Share on other sites More sharing options...
farnz Posted September 7, 2013 Share #44  Posted September 7, 2013 I support what Jaap says. For the past few years a used APO 2x extender has cost between £400 and £500 regardless of ROM or otherwise.  Pete. Link to post Share on other sites More sharing options...
k-hawinkler Posted September 7, 2013 Share #45  Posted September 7, 2013 I support what Jaap says. For the past few years a used APO 2x extender has cost between £400 and £500 regardless of ROM or otherwise. Pete.   That seems to be my experience as well. In the US they typically seem to go for $700 to $800. Some above that range, some below. Link to post Share on other sites More sharing options...
naturephoto1 Posted September 7, 2013 Share #46  Posted September 7, 2013 Hi, my M240 is going to arrive within a few days, and I like to buy the 4.0 80-200 R lens. In order to shoot longer I was thinking of getting an APO 2x extender between the R-M converter and the R lens.  Now I see that there are huge price differences between the x2 APO extenders, ranging from 250 euro (yes it is an APO) and 1500 Euro.  My question: are there several types of this extender on the market, and why are there so big price differences (ROM?)  Looking forward to your opinions!  John  John,  You may wish to look at this link:  leica 2X apo | eBay  Rich Link to post Share on other sites More sharing options...
algrove Posted September 7, 2013 Share #47  Posted September 7, 2013 Advertisement (gone after registration) John, You may wish to look at this link:  leica 2X apo | eBay  Rich  But then once on that link, in the top right corner click on "Advanced" and then click "Sold Listings" or Recently Completed" to find out what actual sales prices were for various offers. Link to post Share on other sites More sharing options...
satijntje Posted September 7, 2013 Share #48  Posted September 7, 2013 1500 Euro is ridiculous, 250 should be a beater. No, there is only one version optically. ROM is irrelevant on the M.  Rom or None Rom is indeed not relevant for the m240, but there are 2 types, and the Rom Version goes for nearly double prices.  I think i will buy the 249€ one.......  Thx  John Link to post Share on other sites More sharing options...
masjah Posted September 8, 2013 Share #49 Â Posted September 8, 2013 Agreed - ROM is simply not needed for using R lenses on the new M, and there is no point in buying an Apo ROM.. Â However, for using ROM lenses on an R8/9, there is a reason whiy the ROM extender is significantly more expensive. On the extender, It's not just a passive ROM chip with info stored on it; rather it's a full-blown microprocessor that talks to the lens on one side, re-computes information to take account of the change of focal length and aperture stop, and passes the modified information on to the camera. I find it very useful. Link to post Share on other sites More sharing options...
stuny Posted September 9, 2013 Share #50 Â Posted September 9, 2013 Regardless of ROM or not, the key to much better performance is the APO. Link to post Share on other sites More sharing options...
Peter Bailer Posted September 9, 2013 Share #51  Posted September 9, 2013 Hello Extender Lovers,  Here are some examples taken with R8-DMR In Davos, Switzerland, from my balkony:  You can see even the last one, including a non Apo 2x Extender is worthwile to use.  If of interest, I have also used the 2xApo Extender on Apo 2.8x100 and Apo 3.4x180  1) Apo 4x280 2) Apo 4x280+1.4xApoExt 3) Apo 4x280+2xApoExt 4) Apo 4x280+1.4xApoExt+2xApoExt 5) Apo 4x280+1.4xApoExt+2xApoExt+2xExt Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/211904-the-apo-2x-extender/?do=findComment&comment=2416785'>More sharing options...
satijntje Posted September 9, 2013 Share #52 Â Posted September 9, 2013 Thanks for this, very impressive! Â Do you maybe have an example with a comparison of your 280mm with the x2 APO and the non-APO version? Â John Link to post Share on other sites More sharing options...
algrove Posted September 9, 2013 Share #53 Â Posted September 9, 2013 John- Â Just get the APO. As far as ROM vs non-ROM, I have found using ROM lenses on a non-ROM extender tedious to attach from time to time. There have been some discussions about this some where in this area of the LUF. Link to post Share on other sites More sharing options...
Peter Bailer Posted September 10, 2013 Share #54  Posted September 10, 2013 Thanks for this, very impressive! Do you maybe have an example with a comparison of your 280mm with the x2 APO and the non-APO version?  John  I am actually in Davos, however, I wait for nice weather to take Pictures for this comparison. Note: when I took Picture nr. 2: 280+1.4Ext I have noted that even on a steady tripod, there is a vertical unsharpness. The remaining pictures I took with mirror prerelease.  At this Occasion, I also show the remaining pictures taken with Apo 2x extender, Note the Apo1.4 extender does not fit these lenses: 1) Apo 2.8x100 2) Apo 2.8x100+2xApoExt 3) Apo 3.4x180 4) Apo 3.4x180+2xApoExt Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/211904-the-apo-2x-extender/?do=findComment&comment=2417559'>More sharing options...
Peter Bailer Posted September 11, 2013 Share #55  Posted September 11, 2013 Thanks for this, very impressive! Do you maybe have an example with a comparison of your 280mm with the x2 APO and the non-APO version?  John  Hello John,  Here is the example.  1) Apo 4x280 with 2xApoExt 2) Apo 4x280 with 2xExt  However I could not see a real difference even at full size, may be because both Pictures were taken at diapragm 8.0 Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/211904-the-apo-2x-extender/?do=findComment&comment=2418403'>More sharing options...
satijntje Posted September 12, 2013 Share #56  Posted September 12, 2013 Thanks Peter  very interesting comparison.  I will give it another night of sleep, as my R 180 2.8 still has to be adapted from Nikon to Leica. My Novoflex adapter arrived today, and IT IS INDEED 6-BIT CODED!!! Surprice!  gr John Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/211904-the-apo-2x-extender/?do=findComment&comment=2419326'>More sharing options...
johnbuckley Posted September 14, 2013 Author Share #57 Â Posted September 14, 2013 John -Â I suggest you read Barbara's trip notes on Botswana (Barbara & Stu's Excellent Vacations) which are shorter than most of her trip notes - She was too busy when we returned. Most of the wildlife photos are with DMR/R8/2X/80-200 (Barbara & Stu's Excellent Vacations) Â Have a wonderful time - Botswana is a very special place. Â Stu - thanks so much. What time of year did you go? Link to post Share on other sites More sharing options...
jaapv Posted September 15, 2013 Share #58 Â Posted September 15, 2013 Find reliable information here: Â Botswana safaris | holidays in national parks & wildlife reserves Link to post Share on other sites More sharing options...
woorob Posted October 5, 2013 Share #59 Â Posted October 5, 2013 My experiences mirror Peter Bailey's when comparing the R-2x versus the R-2x APO (I have both). Â I've only had my M a short while, and have only compared the 2x vs. 2x APO on my Telyt-R 500mm mirror lens (tripod mounted). There appears to be a slight difference in coloration but no noticeable difference in sharpness, although the "acuity" of the images with the APO 2x appears a bit better. Â Oddly, I think I got better focus at 1,000 mm than at 500! Â For comparison and if you're interested, you can download the test images in high-resolution DNG format here: Â 500mm Telyt-R: Â https://www.sugarsync.com/pf/D243783_74495284_887216 Â R-2x and 500mm Telyt-R: Â https://www.sugarsync.com/pf/D243783_74495284_887282 Â R-2x APO and 500mm Telyt-R: Â https://www.sugarsync.com/pf/D243783_74495284_887297 Â The really wonderful thing with the M, I'm finding, is that I can use my R lenses that have been stored in a Lowe Pro camera bag for years. I bought the 500mm Telyt-R new and can't remember when I last used it. Link to post Share on other sites More sharing options...
skueh Posted October 6, 2013 Share #60 Â Posted October 6, 2013 Peter, Can you stack up the 1.4X APO and 2X APO extenders in random order? Thanks. Link to post Share on other sites More sharing options...
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