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new Nikon gear
#22
Quote:@Joju, you will lose approximately one stop of light with a 1.4x teleconverter.  f/4 will become f/5.6.
 

Nikon gives for the TC-17EIII 1.5 f-stops and for the TC-20EIII 2 f-stops. They don't mention a decreasing aperture for the TC-14EIII, so either they "forgot it" or I have to believe my colleague who owns those converters (in version I and II, I believe) and told me that with the 1.4× converter the f-stop remains the same.

 

Anyway, 40% to me means f/4.8, so I don't think it's a full f-stop. And (my) alternative lens in question is a 150-600/5-6.3.

 

Which means the new Nikon ends up at f/8 with 2× converter. So, I got a 300/4 and a 600/8 at 755 + 330 grams, roughly 1kg against a 2.9 kg zoom lens which is larger, has M 105 filter (Nikon: M 77) and a ton of settings to adjust. Price difference from Sigma to the Nikon combination: I expect app. 700 $.

 

No need to decide now - the Nikon will hit the shelves beginning of february, I still have no confirmed delivery date from Sigma representative.
  


Messages In This Thread
new Nikon gear - by Klaus - 01-06-2015, 08:44 AM
new Nikon gear - by Klaus - 01-06-2015, 08:46 AM
new Nikon gear - by popo - 01-06-2015, 10:47 AM
new Nikon gear - by JJ_SO - 01-06-2015, 11:11 AM
new Nikon gear - by Brightcolours - 01-06-2015, 11:21 AM
new Nikon gear - by Brightcolours - 01-06-2015, 11:42 AM
new Nikon gear - by Klaus - 01-06-2015, 12:18 PM
new Nikon gear - by JJ_SO - 01-06-2015, 12:51 PM
new Nikon gear - by stoppingdown - 01-06-2015, 04:45 PM
new Nikon gear - by Scythels - 01-06-2015, 04:46 PM
new Nikon gear - by stoppingdown - 01-06-2015, 07:06 PM
new Nikon gear - by mst - 01-07-2015, 12:08 AM
new Nikon gear - by mst - 01-07-2015, 12:12 AM
new Nikon gear - by Brightcolours - 01-07-2015, 07:06 AM
new Nikon gear - by Brightcolours - 01-07-2015, 07:14 AM
new Nikon gear - by stoppingdown - 01-07-2015, 08:30 AM
new Nikon gear - by felix - 01-07-2015, 08:51 AM
new Nikon gear - by stoppingdown - 01-07-2015, 09:25 AM
new Nikon gear - by mst - 01-07-2015, 12:10 PM
new Nikon gear - by JJ_SO - 01-07-2015, 05:30 PM
new Nikon gear - by Scythels - 01-07-2015, 06:05 PM
new Nikon gear - by JJ_SO - 01-07-2015, 08:54 PM
new Nikon gear - by stoppingdown - 01-07-2015, 09:09 PM
new Nikon gear - by JJ_SO - 01-07-2015, 10:07 PM
new Nikon gear - by Scythels - 01-07-2015, 10:17 PM
new Nikon gear - by JJ_SO - 01-07-2015, 10:30 PM
new Nikon gear - by stoppingdown - 01-07-2015, 10:34 PM
new Nikon gear - by Brightcolours - 01-08-2015, 12:59 AM
new Nikon gear - by Scythels - 01-08-2015, 04:15 AM
new Nikon gear - by JJ_SO - 01-08-2015, 06:43 AM
new Nikon gear - by Brightcolours - 01-08-2015, 08:24 AM
new Nikon gear - by stoppingdown - 01-08-2015, 11:58 AM
new Nikon gear - by Scythels - 01-08-2015, 04:18 PM
new Nikon gear - by JJ_SO - 01-08-2015, 08:40 PM
new Nikon gear - by stoppingdown - 01-08-2015, 08:49 PM
new Nikon gear - by popo - 01-08-2015, 09:30 PM
new Nikon gear - by JJ_SO - 01-08-2015, 09:52 PM
new Nikon gear - by Scythels - 01-08-2015, 10:18 PM
new Nikon gear - by popo - 01-08-2015, 10:31 PM
new Nikon gear - by JJ_SO - 01-09-2015, 09:12 AM
new Nikon gear - by mst - 01-09-2015, 09:43 AM
new Nikon gear - by mst - 01-09-2015, 09:48 AM
new Nikon gear - by Guest - 01-09-2015, 10:19 AM
new Nikon gear - by Brightcolours - 01-09-2015, 01:08 PM
new Nikon gear - by JJ_SO - 01-09-2015, 06:38 PM
new Nikon gear - by stoppingdown - 01-09-2015, 08:42 PM
new Nikon gear - by JJ_SO - 01-09-2015, 09:12 PM
new Nikon gear - by Scythels - 01-09-2015, 09:15 PM
new Nikon gear - by stoppingdown - 01-09-2015, 09:23 PM
new Nikon gear - by JJ_SO - 01-09-2015, 09:39 PM
new Nikon gear - by borisbg - 01-09-2015, 11:34 PM
new Nikon gear - by Klaus - 01-09-2015, 11:43 PM
new Nikon gear - by Scythels - 01-10-2015, 03:29 AM
new Nikon gear - by stoppingdown - 01-10-2015, 01:16 PM
new Nikon gear - by JJ_SO - 01-10-2015, 05:06 PM
new Nikon gear - by stoppingdown - 01-10-2015, 06:10 PM
new Nikon gear - by JJ_SO - 01-10-2015, 07:54 PM
new Nikon gear - by stoppingdown - 01-10-2015, 08:04 PM
new Nikon gear - by JJ_SO - 01-10-2015, 08:36 PM
new Nikon gear - by stoppingdown - 01-10-2015, 09:32 PM
new Nikon gear - by JJ_SO - 01-11-2015, 09:09 AM
new Nikon gear - by Guest - 01-11-2015, 09:12 PM
new Nikon gear - by Klaus - 01-11-2015, 10:16 PM
new Nikon gear - by JJ_SO - 01-12-2015, 01:51 PM
new Nikon gear - by stoppingdown - 01-12-2015, 02:23 PM
new Nikon gear - by stoppingdown - 01-12-2015, 02:33 PM
new Nikon gear - by JJ_SO - 01-12-2015, 03:31 PM
new Nikon gear - by Klaus - 01-12-2015, 08:47 PM
new Nikon gear - by borisbg - 01-13-2015, 06:03 AM
new Nikon gear - by JJ_SO - 01-13-2015, 08:07 AM
new Nikon gear - by Scythels - 01-13-2015, 04:21 PM
new Nikon gear - by JJ_SO - 01-13-2015, 06:38 PM
new Nikon gear - by stoppingdown - 01-13-2015, 08:18 PM
new Nikon gear - by Brightcolours - 01-13-2015, 09:37 PM
new Nikon gear - by Klaus - 01-13-2015, 10:31 PM
new Nikon gear - by JJ_SO - 01-13-2015, 10:48 PM
new Nikon gear - by borisbg - 01-14-2015, 01:24 AM
new Nikon gear - by stoppingdown - 01-14-2015, 10:56 AM
new Nikon gear - by JJ_SO - 01-14-2015, 03:48 PM
new Nikon gear - by mst - 01-15-2015, 09:10 AM
new Nikon gear - by JJ_SO - 01-15-2015, 10:03 AM
new Nikon gear - by stoppingdown - 02-06-2015, 12:09 AM
new Nikon gear - by JJ_SO - 02-06-2015, 05:10 AM
new Nikon gear - by felix - 02-06-2015, 11:25 AM
new Nikon gear - by JJ_SO - 02-06-2015, 02:56 PM
new Nikon gear - by stoppingdown - 02-06-2015, 04:18 PM
new Nikon gear - by JJ_SO - 02-06-2015, 07:52 PM
new Nikon gear - by JJ_SO - 02-10-2015, 11:15 PM
new Nikon gear - by Brightcolours - 02-10-2015, 11:20 PM
new Nikon gear - by JJ_SO - 03-02-2015, 09:28 PM
new Nikon gear - by felix - 03-04-2015, 09:19 AM
new Nikon gear - by stoppingdown - 04-01-2015, 08:09 AM
new Nikon gear - by Brightcolours - 04-01-2015, 09:15 AM
new Nikon gear - by JJ_SO - 04-01-2015, 09:43 AM
new Nikon gear - by felix - 04-01-2015, 07:10 PM
new Nikon gear - by JJ_SO - 04-01-2015, 08:43 PM
new Nikon gear - by popo - 04-01-2015, 11:34 PM
new Nikon gear - by felix - 04-04-2015, 10:39 AM
new Nikon gear - by Brightcolours - 04-04-2015, 12:10 PM
new Nikon gear - by Brightcolours - 04-24-2015, 04:16 PM

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