Sigma DC Macro 17-70mm F2.8-4.5 reviews and specifications. The Sigma 17-70 mm f/2.8 4.5 DC Macro is a versatile standard zoom lens designed for APS-C DSLRs, introduced in 2006. It features a 15-element/12-grou. This is a Sigma Zoom lens.
Takumar-A 70-200mm F4 Macro lens reviews and specifications. The Takumar-A 70 200 mm f/4 Macro is a manual-focus telephoto zoom lens introduced around 1989 for the Pentax K-mount, positioned as a budget-friendly
PENTAX Macro Focus Rail III reviews - Bellows, Extension Tubes, Etc. (Genuine Pentax) . When close-ups are to be made with a large magnification, focusing can easily be done by using the Fine Focus Adjustor for precisely setting the posit
SMC Pentax-A 100mm F2.8 Macro lens reviews and specifications. The SMC Pentax-A 100 mm f/2.8 Macro is a rare and highly regarded manual-focus macro lens introduced in 1985 and produced until 1989, designed for ful
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