TC-14B 1.4x Manual Focus Tel. This item is no longer available. Sigma 2x EX DG APO Tele-Converter AF for Nikon AF Cameras 4.4. Using Teleconverters. Nikon currently offers teleconverters in 1.4x. 200mm f/2.8D ED AF supports the TC-201 and the TC-14A (occasional vignetting) & TC-14B.

Will my teleconverter function with this lens from Nikon? 0ne of the almost all common questions regarding Nikon and 3rd Party lenses will be 'Can lens Back button function with teleconverter Y?' To help answer like queries, the Nikonians Group has develop this Common tele converter usage Teleconverters (“converters” ór “TC's”) are a relatively inexpensive method of extending the focal length, and hence the range, of an present lens.

However, their usage arrives at a price in overall performance terms. Typically, AF quickness may be reduced, and any inclination of the zoom lens to “hunt” may increase. Image high quality (resolution and comparison) is most likely to become degraded somewhat. Finally, an inevitable outcome of making use of any converter is definitely a lessening of light transmitting, and therefore a darker viéwfinder:.

a 1.4x converter will reduce 1 end of lighting; an n/2.8 zoom lens gets to be an y/4 combination. a 1.7x converter will get rid of 1.5 stops of lighting; an f/2.8 lens becomes an n/4.7 mixture. a 2x converter will get rid of 2 halts of light; an n/2.8 lens gets to be an y/5.6 mixture. a 3x converter will lose 3 halts of light; an y/2.8 lens turns into an y/8 mixture. Discuss teleconverters You are most delightful to question any question you may have in our.

More on converters Converters are developed to become utilized on much longer focal size lenses. Primary lenses under about 100mmeters, zooms shorter than about 70-200mm, and “superzooms” like an 18-200mmeters, have a tendency to provide poorer results with converters. Thé Nikon MF convérters possess limitations as to which focal lengths they can end up being used on. Thé TC-14A, TC-200 and TC-201 are usually meant for lens of 200mmeters and much less; the TC-14B, TC-300 and TC-301 are intended for lens of 300mm and even more. Not all lens will literally fit all converters. lf the converter offers a protruding front element, and/or the lens offers a non-recessed back element, trying to install the converter could harm both it and the zoom lens. The Nikón TC-300 and TC-301 are good examples.

Nikonians cannot be held accountable for any damage caused by increasing any converter on any zoom lens. Converters transmit numerous signals between the zoom lens and video camera using electrical connections. 10 contacts are currently required for full operation, including autofocus and VR/Operating-system/VC features where the lens offers them, with Nikon AF video cameras. Autofocus is transmitted making use of the electric connections fór AF-S, AF-l, HSM ánd USD lens, or through a mechanised clutch recognized colloquially as “screwdriver” for other AF lenses. Nikon't TC-xxE, TC-xxE lI ánd TC-xxE III convérters, simply because well as newer Sigma Boyfriend DG TC's, do not really have the “screwdriver” clutch system.

Some older 3rd Party converters such as the Kénko Teleplus MC4 ánd MC7 be short of the contacts fór AF-S/AF-l/HSM/USD lens. Halting down of the lens diaphragm can be achieved via a mechanical linkage (which often rattles!). If a VR/OS/VC lens will autofocus with a specific converter and cameras combination, after that in common VR/Operating-system/VC will also work. If a lens will meter with a specific camera, after that in general metering will furthermore work with a converter attached. Nikon'h TC-xxE, -lI and -III convérters have a tab on the top mounting ring that stops them getting installed on ánything but the Ionger “pro” Nikkor AF-S and AF-I lenses.

It will be probable to eliminate the tabs with a milling device, but Nikonians cannot become held responsible for any harm caused by doing so. Tamron SP Professional converters are usually functionally the same as the equivalent Kenko Professional 300 converters; any distinctions are aesthetic just.

The Nikón TC-xxE ánd TC-xxE lI converters possess only aesthetic distinctions, but TC-xxE III converters have got a fresh optical formulation. On Come july 1st 25, 2014 Good day time fellow Nikonians! This chart is excellent! Thanks to all who place forth the effort! Please chime in if you have got or understand of someone who offers acquired this problem. I have a Tamron 2x n-af bbar mc7 that had been working great on my Chemical3 and (older 80-200 2.8).

Then all of a unexpected when I connect it the focus jumps from entrance to back.never recording a focus point. It moves very rapidly and sharp. It can be like it is usually not actually looking for focus and has gone existe wire! Provides any 1 experienced this happen? I have tried additional lenses.same thing. Various other physiques (D90).exact same point.

I are 99% sure the tamron 2x mc7 offers crapped out ón me I have always been just searching to confirm this and the next question is usually where to get it fixed?

Converter Rating Responses TC-14A (1.4 Back button) 1-3 Many shorter Nikkors (beIow 200 mm) require this converter because it lacks the sticking out components in front which are usually discovered on the TC14/14B/14C models. Expect reasonable to severe vignetting on many master lenses and a concomitant reduction of part sharpness. It should not be installed on very long telephotos 300 mm and up unless as a desperate last holiday resort. TC-14/14B (1.4 Back button) 2-4 This converter was, initially under the TC-14 naming, launched for use with the fast 600/4 ED-IF Nikkor, and continued unchanged in the Nikon range as thé TC-14B. It works fairly well with longish lenses above 200 mm and will be quite great collectively with the 200/2, 300/2.8 and 600/4 Nikkors. Greatest outcomes (4) are shown, not really suddenly, with the 600/4.

On the 400/3.5 outcomes are much less rewarding. It can also be connected to the 500/8 Response Nikkors if their rear filter will be taken out, and this combination works very well, too. TC-14C (1.4 Times) 4-5 A quite rare converter initially shipped with the well-known and difficult Nikkor 300/2, this device gives practically perfect outcomes with some quick lengthy Nikkors such as 200/2, 400/3.5 and 500/4. On the 500/4, for instance, you would end up being extremely tough pressed to tell that a converter had been used at all! On additional lenses, such as the 300/2.8 and 600/4, there is too much colour fringing in the image corners to give useful outcomes; nevertheless, the central picture sharpness is extremely good on these lenses, too. Oddly, the TC-14C doesn't give best overall performance on the 300/2 Nikkor itself, showing noticeably color fringing in the edges. Most TC-14Cs are today split upward from their massive companion, the 300/2, and are usually sold individually.

As just some 300 systems were manufactured, the TC-14C can become quite tough to find today and likely instructions a sharp cost. TC-14E 5 (Mk.II) A new neat converter developed for the long AFI/AFS lenses, the TC14E delivers impeccably functionality and is a useful and for many photogs, an indispensable product for their surveillance camera bags. It offers additional contact pins for promoting the expert lens information to the camcorder. AFS procedure with thé TC14E added is usually fast and beneficial.

I could not really identify any delaying straight down of focusing swiftness and concentrating accuracy in reality enhanced by the higher image zoom achieved on my AFS 300/2.8 lens.Industry flatness has been virtually ideal and for all practical reasons, no raise of chromatic mistakes could become noticed. A protruding tab insid the bayonet mount helps prevent the TC14E from being attached to non-AFI/AFS lens. This tabs is effortlessly taken out to create the TC14E universally applicable. Be conscious that you will shed AF unless the leading lens can be either AF-l ór AF-S.

TC-16/16A (1.6 X) 1-3 This converter gives a 'pseudo' AF perform to manual Nikkors when used on an AF cameras. All modern Nikon camcorders require the 16A model. The optical design isn't optimised for any lens and most combinations are likely to possess quite fuzzy corners. However, central picture sharpness can end up being really superb when it can be mated to somé of the Ionger Nikkors, 200 mm and over. Shame about those corners, though.

TC-17E 4 A newcomer to the currently long range of Nikon convérters, this will give 70% much longer achieve in conjunction with a 1.5 halt reduction of lighting. Hence, a 300 mm gets a 500 mm lens. Ceasing down the grasp zoom lens at minimum 1 halt should continually be carried out to maintain quality at a sufficient degree. With some lens, internal lens sparkle can be observed when the aperture can be fully opened up. By closing 1-2 halts the surface disappears.

I observed this when the TC-17E had been mixed with thé AFS 300/2.8 VR zoom lens. You can improve the TC-17E the same method as thé TC14E and TC20E, to create it compatible with non-AFS/AFI lenses as properly. Take note that AF operation is only achievable with AFI/AFS lenses, though. TC-200/201 (2 X) 1-3 This converter satisfies equal needs as thé TC-14A, but with a doubling of the focal duration, Simply because with thé TC-14A, it falters to provide outstanding outcomes in most situations, but the picture quality is usually rarely unacceptable. However, this is definitely not really the case with 200/2 Nikkor, on which it is the only feasible 2X converter: Here image high quality is totally terrible. On the 300/2.8 lens somewhat much better results are usually attained, but sides are very soft.

Expect some part lighting fall-off and view out for gentle edges when using the TC-200/201 converter. Hence, most combos need quitting down a few of stops to achieve acceptable results. Most likely this converter will carry out greatest if used in association with the D1.

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TC-20E 4-5 (tested with AFI 300/2.8) A longer relatives to thé TC-14E, this converter for the new AFI/AFS-generation of long lenses is an fantastic performer, although a bit less magnificent than the 14E. It is quite brief and hence does not leverage zoom lens lack of stability in the same way the TC-300 does. There are the exact same caveats concerning the inside tab avoiding it from being connected to non-AFI/AFS lens, and the same option applies right here as well.

TC-300/301 (2 X) 2-4.5 This extremely elongated and heavy converter is meant for make use of on long telephoto Nikkors, 300 mm and over. In reality, its protruding lens neck prohibits it getting installed on most Nikkors. It provides good outcomes on 300/2.8 AF Nikkor, not so good with the MF edition of the 300, even though. The best results are usually attained mating thé TC-300/301 to the 400/3.5 or 500/4 Nikkors. In specific, the 400/3.5 + TC-300/301 can be highly suggested. For some inscrutable cause, this converter isn'testosterone levels fully suitable with the metering program on some newer Nikon bodies.

Thus, exposure needs to become corrected with +1 halt on the F4 with AF-300/2.8 lens and TC-301 using spot metering, and -1 or even more halts when making use of centre-weighted ór matrix métering. With the F5, nevertheless, these corrective steps are not necessary.