今年7月，两款增距镜将进军加入松下的全画幅S系统。1.4x和2x增距镜将与当前的S Pro 70-200mm F4 OIS以及今年晚些时候推出的70-200mm F2.8兼容。 1.4x转换器将为每个镜头提供大约100-280mm的范围，2x转换器同样将变焦范围扩展到140-400mm。

1.4x转换器包括4组7个镜头，包括2个超高折射率透镜（UHR）。 2x转换器由4组8个镜头（2个UHR）组成。这两款增距镜都具有防尘和防溅功能，将于7月上市销售，售价分别为499美元和599美元。

以下是新闻原稿：

松下宣布为LUMIX S系列推出新的1.4倍和2倍增距镜

1.4倍增距镜DMW-STC14和2倍增距镜DMW-STC20

新泽西州纽瓦克市，松下宣布推出用于LUMIX S系列远摄变焦镜头的新型增距镜 - 一款1.4倍增距镜DMW-STC14和一款2倍增距镜DMW-STC20--将于7月上市。最新的增距镜可以安装在LUMIX S PRO 70-200mm F4 O.I.S. （S-R70200）* 1，将镜头转换为超远摄镜头，最大变焦范围为400mm，具有高速和高精度AF。坚固耐用的防尘/防溅* 2设计可在恶劣条件下使用，即使在-10摄氏度的环境下也能实现高机动性。

增距镜DMW-STC14和DMW-STC20也将与新的70-200mm / F2.8 S系列镜头兼容，将于2019年晚些时候推出。

产品规格：

DMW-STC14：镜片组合物7镜片包括4组中的2个UHR（超高折射率镜片）镜片

DMW-STC20：镜片组合8个镜片，包括4组2个UHR（超高折射率镜片）镜片

英文原文如下：Panasonic Announces New 1.4x and 2x Teleconverters for LUMIX S Series

Two teleconverters will be making their way into Panasonic's full-frame S-system this July. The 1.4x and 2x teleconverters will be compatible with the current S Pro 70-200mm F4 OIS, as well as the 70-200mm F2.8 arriving later this year. The 1.4x converter will give each lens approximately a 100-280mm range, and the 2x converter will likewise extend the zoom range to 140-400mm.

The 1.4x converter comprises 7 lenses in 4 groups, and includes 2 Ultra High Refractive Index Lenses (UHR). The 2x converter is composed of 8 lenses (2 UHR) in 4 groups. Both teleconverters are dust and splash-resistant, and will go on sale in July, priced at $499 and $599, respectively.

Press release:

Panasonic Announces New 1.4x and 2x Teleconverters for LUMIX S Series

1.4x Teleconverter DMW-STC14 and 2x Teleconverter DMW-STC20

Newark, NJ Panasonic announced new teleconverters for the LUMIX S Series telephoto zoom lenses – a 1.4x Teleconverter DMW-STC14 and a 2x Teleconverter DMW-STC20-- available in July . The latest teleconverters can be attached to the LUMIX S PRO 70-200mm F4 O.I.S. (S-R70200)*1, turning the lens into a super telephoto lens with extended zoom range of maximum 400mm with high-speed and high-precision AF. The rugged and dust/splash-resistant*2 design withstands use under harsh conditions, even in -10 degrees Centigrade for high mobility.

Both teleconverters DMW-STC14 and DMW-STC20 will also be compatible with the new 70-200mm / F2.8 S Series lens, to be introduced later in 2019.

Specifications:

DMW-STC14：Lens Composition 7 lenses including 2 UHR (Ultra High Refractive Index Lens) lenses in 4 groups

DMW-STC20：Lens Composition 8 lenses including 2 UHR (Ultra High Refractive Index Lens) lenses in 4 groups