Here is a list of 210mm 8x10 lenses I put together some years ago:
Small/light lenses
Graphic Kowa f/9 (Copal 1, single-coated, reportedly around 380mm IC)
Computar f/9 (Copal 1, single-coated, reportedly around 460mm IC)
G-Claron f/9 (Copal 1, single-coated, covers 8x10 with very limited movements when stopped down)
Medium sized lenses
Fuji W f/5.6 (Copal 1, single-coated, 352mm IC)
Schneider Angulon f/6.8 (Copal 3, single-coated, 382mm IC)
Rodenstock APO Sironar W f/5.6 (Copal 3, multi-coated, 352mm IC)
Large lenses
Schneider Super Symmar HM f/5.6 (Copal 3, multi-coated, 356mm IC)
Schneider Super Angulon f/8 (Copal 3, single/multi-coated, 500mm IC)
Schneider Super Symmar XL f/5.6 (Copal 3, multi-coated, 500mm IC)
Rodenstock Grandagon/Grandagon-N 200mm f/6.8 (Copal 3, single/multi-coated, 495mm IC)
Here are my thoughts from a more recent post:
The sharpest option IMO is the Sironar W, but I found the coverage at times restricting. I initially tried a small lens/big lens dual solution, using a 210 APO Symmar L (barely covers) for backpacking and either a 210 SSXL (light falloff could be bothersome when significant movements are applied) or 200 Grandagon (less falloff but extremely bulky/heavy) for short hikes. I then explored lightweight f/9 solutions for field use, and compared a 210 Graphic Kowa and 210 Computar. I liked the optical performance of the Computar better than the Kowa, and it had plenty of usable coverage if one could tame the extreme amount of light falloff when significant movements are applied (if I had continued using 8x10 format I would have explored finding a center filter for it). The Computar also exhibited more field curvature than the huge, better corrected wide angle designs (SSXL, Grandagon), meaning I potentially had to stop down more to get everything sharp. Still, if I had to pick a universal 210mm 8x10 lens for field use, I'd go with either the Sironar W (if the coverage is adequate) or the Computar as the best blend of performance and size.
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