Lenses & Optics

Primes vs zooms, focal lengths, mounts, and optical stabilization basics.

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fstoppers.com
581 words

AstrHori 8mm Fisheye for Medium Format

Fstoppers AstrHori's 8mm Fisheye Brings a Rare Look to Medium Format Fisheye lenses for medium format have been close to nonexistent, so if you shoot a Fujifilm GFX or Hasselblad body and want that look, you've usually had to adapt glass…

fstoppers.com
493 words

Canon's RF 70-200mm f/2L IS Patent Explained

Fstoppers Canon's Craziest Lens Ever Just Appeared A Canon patent application published in Japan on October 16 includes a complete optical design for a 70-200mm f/2 zoom covering a full-frame sensor, a combination Canon has never sold in any mount. The design,…

fstoppers.com
715 words

Fujifilm XF 400mm f/4.5: Sharp on X-T50?

How Sharp Is the Fujifilm XF 400mm f/4.5 on the X-T50? Fstoppers How Sharp Is the Fujifilm XF 400mm f/4.5 on the X-T50? Fujifilm's XF 400mm f/4.5 gives X-mount shooters the field of view of a 600mm lens on full frame, with an aperture about two-thirds…

fujirumors.com
95 words

AstrHori MF 8mm F2.4 Circular Fisheye Lens for Fujifilm GFX

The AstrHori MF 8mm F2.4 Circular Fisheye Lens for Fujifilm GFX has now been launched. 220° circular fisheye with full medium-format coverage for Fujifilm GFX & Hasselblad XCD Bright F2.4 aperture and 0.1m minimum focus distance 10 elements in 8 groups, including 2 ED and 2 high-refractive-index elements Compact all-metal…