I have the Hasselblad 903 SWC and the Hasselblad 503 CX with the 50mm, 80mm, 150mm, and the 250mm lens. Additionally I have a 2x extender. For landscapes I have never used the 150mm lens, but I have used the 250mm lens many times. Exactly one time I used the 250mm lens with the 2x extender.