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【Modified Item】DA★ 50-135mm F2.8 Telephoto Zoom Lens for Pentax
Product Details
smc PENTAX-DA★ 50-135mm F2.8ED [IF] SDM
This is a modified lens where the AF drive has been changed from SDM to an in-body motor drive. Pentax's SDM drive is prone to failure, so changing to a motor drive ensures reliable AF performance.
This is a telephoto zoom lens, part of Pentax's premium (Star) lens line, featuring a constant F2.8 aperture and excellent color reproduction and resolution. It's considered one of the big three constant aperture zooms.
On APS-C size cameras, it provides a focal length equivalent to approximately 75-202mm in 35mm format.
I used this lens on my K-3ii and K-5ii (APS-C) digital cameras, but I am selling it due to equipment consolidation.
Brand: Ricoh Pentax DA Series
Lens Type: Zoom
Focal Range: Medium Telephoto, Telephoto
Optical Zoom: 2.7x
Focus: Autofocus
Mount: Pentax K
Max Compatible Sensor Size: APS-C
Focal Length (Wide): 50 mm
Focal Length (Tele): 135 mm
Maximum Aperture: F2.8
Minimum Focusing Distance (m): 1 m
Image Stabilization: None
Dust/Water Resistance: Water Resistant, Dustproof
Filter Compatibility: Compatible
Filter Diameter: 67 mm
Dimensions (Max Diameter): 76.5 mm
Dimensions (Length): 136 mm
Weight (g): 685 g
Color: Black
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
