I have collected few Minolta telephoto lenses. The first is legendary ‘beercan’ 70-210mm F4. It has very good colour and sharpness. Soon I realize about having longer lens in shooting auto racing. My target is to acquire ‘big beercan’ 70-300mm F4.5-5.6. This lens is older and heavier than beercan but it has definite sharpness at 300mm in non professional lens category. It also featured a focus limiter which allows focus range to be full or partial in order to lock focus much faster. This is especially useful when shooting in racing circuit. However, its 700g weight makes me like working in gym. Soon I caught attention to 100-300mm APO F4.5-6.6 (D). This is highest rated small telephoto zoom lens by Dyxum.com review. It is compact and with a focus lock button which is good for panning shoot (I assume it would good for autoracing too). But its sharpness is not at same par as two beercan brothers in my dry box. I’m happy with all three lenses since all serve different purposes. The beercan with fixed aperture which is good for indoor use. Big beercan with its focus limiter provide faster focus speed which can use for racing and birding. APO zoom is a travel necessary. My next try probably are G lenses?? (Even I sold all three above are not possible to acquire a used G unit..) Let’s maximize and enjoy my current setup.
From left: big beercan, beercan and APO(D)
Sharpness Test (Big Beercan, APO, Beercan)
CA test (Big Beercan, APO, Beercan)