Egami posted a new Tokina 70-200mm FX lens patent. There is no info on the lens aperture.
Early this year, Tokina exhibits 70-200mm F4 FX lens at CP+ in Japan, this lens hasn’t released yet.
Description and self-interpretation of the patent literature (Translated by Google)
- Patent Publication No. 2013-156502
- Publication date 2013.8.15
- Filing date 2012.1.31
- Applicant Kenko Tokina
- Example 1
- Focal length f = 72-105-194mm
- Image height 21.59mm
- 19 pieces of 14-group lens configuration
- Tokina patents
- 4 group structure of the positive and negative positive positive
- Inner zoom
- (1 part of the first group) inner focus
- (Part of the fourth group) correction to shake
- Minimum focusing distance 1m
Via: Egami
Affiliate Disclosure: Some of the links in this article are affiliate links. As an Amazon Associate I earn from qualifying purchases. This means if you click on the link and purchase the item, we may receive a small commission at no extra cost to you. This helps support our site and allows us to continue making comprehensive reviews.