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Compare 4 products

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Nikon TC-17E II Teleconverter
Nikon TC-17E II
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Nikon TC-20E III Teleconverter
Nikon TC-20E III
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Olympus EC-20 Teleconverter
Olympus EC-20
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Pentax HD DA AF 1.4X AW Rear Converter Teleconverter
Pentax HD DA AF 1.4X AW Rear Converter
Editiorial reviews
1
1 editorial reviews
Find out what 3 readers thought of the Nikon 1.7X AF-S TC-17E II in our review.Read more
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2
2 editorial reviews
Find out if the Nikon lens is right for you.Read more
Read more
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3
3 editorial reviews
Find out if the Olympus lens is right for you.Read more
After being able to play with this new device for a little bit I am now ready to give my opinion on it. First off losing 2 stops of light is difficultRead more
Transform a 300mm Micro Four Thirds lens into a 1200mm full-frame equivalentRead more
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2
2 editorial reviews
Pentax has unveiled the HD Pentax DA AF 1.4x AW rear converter, which is designed to extend the focal length of telephoto lenses by 40%.Read more
Find out if the Pentax lens is right for you.Read more
Read editorial reviews
User rating
37
4.1 out of 5
37 user ratings
5 stars
40 %
4 stars
27 %
3 stars
32 %
2 stars
0 %
1 stars
0 %
40
4.1 out of 5
40 user ratings
5 stars
32 %
4 stars
42 %
3 stars
22 %
2 stars
2 %
1 stars
0 %
35
4.2 out of 5
35 user ratings
5 stars
31 %
4 stars
60 %
3 stars
8 %
2 stars
0 %
1 stars
0 %
6
4.0 out of 5
6 user ratings
5 stars
16 %
4 stars
66 %
3 stars
16 %
2 stars
0 %
1 stars
0 %

General

Mount typeNikon FNikon FFour ThirdsPentax KAF2

Dimensions

Weight8.82 oz11.64 oz7.94 oz4.44 oz
Diameter2.6 in2.6 in2.68 in2.56 in
Length1.24 in1.81 in1.61 in0.79 in

Optics

Elements7774
Groups4553

Often compared with Nikon TC-17E II

Nikon TC-17E II Teleconverter
Nikon TC-20E II
NikonTC-17E II
NikonTC-20E II

Often compared with Nikon TC-20E III

Nikon TC-20E III Teleconverter
Nikon TC-20E II
NikonTC-20E III
NikonTC-20E II