BrunoCH Posted March 12, 2020 Share Posted March 12, 2020 When looking for a zoom for my XT3, I discovered the existence of a 25-50mm nikkor AI. Originally, it was a wide zoom for 24x36mm which went from the standard focal to a wide angle. On the XT3’ sensor, it is a zoom very well centered on the standard focal, a bit like an 18-55 but with a narrower range. I found a copy in very good condition on Ebay for 105 $ + 24 $ shipping. I received it yesterday morning and I did a few quick tests in the afternoon. Pros : Optical quality and build contruction Price All manual with 3 rings: aperture, zoom, focus. Cons : Maximum aperture at F4 (too soft, it must be opened at 5.6 at least to have the full quality of this lens) Not Parfocal. The focus moves when you change the focal length. I chose the AI version because focus throw AI version 130° vs 75° AIS version. If you want to view some boring crapy shots. password: nikkor2550 https://vimeo.com/397291419?activityReferer=1 heart0less and mercer 2 Quote Link to comment Share on other sites More sharing options...
mercer Posted March 12, 2020 Share Posted March 12, 2020 I've often wondered about this lens, so I was happy to see your post. Your samples look great. Were you focusing as you were zooming because it looked like it held focus pretty well? Did you shoot this with one of the Fuji's film simulations, or did you grade this? Either way, the color looks nice! BrunoCH 1 Quote Link to comment Share on other sites More sharing options...
BrunoCH Posted March 12, 2020 Author Share Posted March 12, 2020 16 minutes ago, mercer said: I've often wondered about this lens, so I was happy to see your post. Your samples look great. Were you focusing as you were zooming because it looked like it held focus pretty well? Did you shoot this with one of the Fuji's film simulations, or did you grade this? Either way, the color looks nice! I was wrong it is parfocal. I just found the manual in pdf. But honestly when you focus something near you (about 2 m) there is a small focus shift when you zoom. I filmed in F-Log. DeLog with Color space transform node in Resolve without LUT. Correction expo and WB and I added a bit of contrast and saturation. 😊 http://allphotolenses.com/pdf/c_18/p_3.html Quote Link to comment Share on other sites More sharing options...
Geoff CB Posted March 13, 2020 Share Posted March 13, 2020 19 hours ago, BrunoCH said: I was wrong it is parfocal. I just found the manual in pdf. But honestly when you focus something near you (about 2 m) there is a small focus shift when you zoom. I filmed in F-Log. DeLog with Color space transform node in Resolve without LUT. Correction expo and WB and I added a bit of contrast and saturation. 😊 http://allphotolenses.com/pdf/c_18/p_3.html Sometimes you have to properly shim the lens to get the parfocal ability. Honestly was pretty impressed by your tests, yes it's not razor sharp but it has a nice clean look and it's lack of contrast can be a good thing. BrunoCH 1 Quote Link to comment Share on other sites More sharing options...
BrunoCH Posted March 14, 2020 Author Share Posted March 14, 2020 7 hours ago, Geoff CB said: Sometimes you have to properly shim the lens to get the parfocal ability. Honestly was pretty impressed by your tests, yes it's not razor sharp but it has a nice clean look and it's lack of contrast can be a good thing. I know but I can’t properly shim the lens or I don’t know how I can. I use a cheap Nikon mount adapter to Fuji X. It’s all metal and well build and no play but maybe it isn’t precise enough about focal flange. Me too I impressed by my test and I’m sure I’ll use it on some projects. Quote Link to comment Share on other sites More sharing options...
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