SMC Pentax-M 100mm F4 Macro lens reviews and specifications. The SMC Pentax-M 100 mm f/4 Macro is a compact, manual-focus macro lens introduced in 1977 and produced until 1984, designed for full-frame K-mount fi
Sigma AF DL Macro 70-300mm F4-5.6 reviews and specifications. The 70-300mm f4-5.6 zoom telephoto (not to be confused with cheaper f4.5-6.3 ones) was made in numerous versions and generations by sigma - 4 versions. This is a Sigma Zoom lens.
S-M-C/Super Macro-Takumar 50mm F4 lens reviews and specifications. The Takumar 50 mm f/4 is a series of legendary manual-focus macro lenses for M42 screw-mount cameras, produced by Asahi Optical Co. in three main vari
SMC Pentax-F 100mm F2.8 Macro lens reviews and specifications. The SMC Pentax-F 100 mm f/2.8 Macro is a landmark lens in Pentax history introduced in 1987 as the company s first autofocus 100 mm macro, and produce
SMC Pentax-A 50mm F2.8 Macro lens reviews and specifications. The SMC Pentax-A 50 mm f/2.8 Macro is a manual-focus macro prime lens introduced in 1984 and produced until 1988, designed for Pentax KA-mount 35 mm a
