■Extension Ring S
In combination with the Dome Port 2, "Tokina AT-X107DX Fisheye" / "Sigma/10mm F2.8 EX DC FISHEYE HSM" lens are supported.
■Effective length: 13mm (0.5in)
■Weight: 58.3g (2.1oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extension Ring M
In combination with the "MRS100 Port Type S", "Canon EF180mm f/3.5L Macro USM" lens is supported.
■Effective length: 31mm (1.2in)
■Weight: 115.3g (4.1oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extansion Ring L
Compatible with Kenko teleconverter "3XM Teleplus PRO300 for Canon".
■Effective Length: 65mm (2.6in)
■Weight: 188.5g (6.6oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extansion Ring 18
Compatible with Kenko teleconverter "1.5X Teleplus MC4 DG for Canon" and "1.5X Teleplus SHQ for Canon". さらに、ドームポートII およびドームポート115との組み合わせで、 「キヤノンEF8-15 F4L フィッシュアイUSM」にも対応します。
■Effective Length: 18mm (0.7in)
■Weight: 83.1g (2.9oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extension Ring 36
Compatible with Kenko teleconverter "Teleplus MC7 AF 2.0X DGX for Canon EOS" or "2X Teleplus MC7 DG for Canon" and "1.5X Teleplus MC7 for Canon".
■Effective Length: 36mm (1.4in)
■Weight: 135.1g (4.8oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extension Ring 58
Compatible with "Canon EXTENDER EF1.4x".
■Effective Length: 58mm (2.3in)
■Weight: 188.3g (6.6oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■Extension Ring 81
Compatible with "Canon EXTENDER EF2x".
■Effective Length: 81mm (3.2in)
■Weight: 246.7g (8.7oz) [air]
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
■MF EXT. Ring M (w/o control ring)
In combination with the "Dome Port 2", "Canon EF20mm f/2.8 USM" lens is supported.
■Effective Length: 31mm (1.2in)
■Material: Corrosion-resistant aluminum alloy (rigid black alumite)
*[MF Port] series ("MF Standard Port II"/ "MF Wide Port"/ "MF Flat Port") and "MF EXT. Ring M" are not compatible with "Extension Ring" other than "MF EXT. Ring M".
