Entaniya 250 MFT Rear Group Kit

USD $580.00

Interchangeable parts for 250° MFT Fisheye Lens

By using Entaniya Fisheye 250 MFT Rear Group Kit and changing the rear lens, you can change the focal length (image circle size) and aperture. Three versions are available. For more information please read the specifications in the description below.

NOTE: This product is a special order. Lead time 1-2 weeks

SKU: ENTMFT-RGK Categories: , , Tags: , , , , , , , ,


Use for Changing Focal length of Entaniya 250 MFT Lens (Image Circle Size)


This kit allows you to customize the focal length of your Entaniya 250 MFT lens yourself without needing to purchase another lens.


Change Aperture

By changing the aperture with the tool included in the Entaniya Fisheye 250 MFT Rear Group Kit, you can adjust the brightness to suit your specific needs.


Entaniya Fisheye 250 MFT Rear Group Kit Specifications

*Please note that this product is still under the development and therefore the specifications are subject to change.

Name Rear Group Kit 2.3 Rear Group Kit 3.0 Rear Group Kit 3.6
Focal length 2.3mm 3.0mm 3.6mm
FOV(4/3") 250°(h:250°/v:250°) 250°(h:250°/v:250°) 250°(h:250°/v:220°)
F number f=2.3mm F/2.8 f=3.0mm F/2.8 f=3.6mm F/4.0
Image Size 190° = φ7.344mm 180° = φ9.2mm 180° = φ11mm

Manufactured Made in Japan(except:caps)
Parts contained ・Interchangeable Focus lock ring 1pc ・Interchangeable Rear lens 1pc ・Screw 3pcs ・Exclusive tool for Rear lens 1pc ・Exclusive tool for cover 1pc ・Aperture ring 3pcs *One is already attached to the rear lens.Parts contained differ according to sets). ・ND Filter (0.6/1.2) one each
Note In order to make Entaniya Fisheye 250 MFT 2.3 and Entaniya Fisheye 250 MFT 3.0 compact in size the back of the lens has a bump. It might be impossible to install the lens to some cameras such as OLYMPUS OM-D E-M5(Mark1), OLYMPUS PEN E-PL6/E-PL5 and OLYMPUS PEN E-PM1/E-PM2 since the image sensor of these cameras interrupts the installation. If you have any questions please feel free contact us.
Manual(PDF)About how image circles are cropped on sensors.(PDF)

※The appearance, specifications, and the like of the product are subject to change for improvement without notice.


How to change the rear group

How to change the aperture


Additional information

Weight 0.6 kg
Dimensions 30 x 20 x 11 cm