SMC PENTAX-M 1:3.5 135mm TELEPHOTO LENS (P/K PK) The highly regarded full-frame SMC-M135/3.5 is one of Pentax's classic optical designs... offering superb optical performance delivering pin-sharp images (excellent resolving power) with great contrast, Pentax colour rendition and bokeh. It features an aperture range of f/3.5 to f/32 (with half-stops available between f/3.5 and f/22), an 8-bladed diaphragm, a close focusing distance of 1.5m, 5 elements / 5 groups optical design, a metal built-in slide-out lens hood, SMC (Super-Multi-Coated) optics, wonderful Pentax build quality and a 49mm filter thread. Highly recommended. On www.pentaxforums.com this lens has so far scored an impressive 8.6 out of 10 after 111 reviews! http://www.pentaxforums.com/lensreviews/SMC-Pentax-M-135mm-F3.5-Lens.html To view example images taken with the M135/3.5 lens please follow this link: http://www.flickr.com/search/?q=pentax-m+135mm+3.5&s=int "Here is a lens that offers 2.7X greater magnification than the SMC Pentax-M 50mm f/1.4 lens and yet weighs only 13% more. It is ideal for all applications of telephotography: portraiture, wildlife, sports, and candid photography." – PENTAX CONDITION OF LENS This is a superb optical and near mint cosmetic example of the M135/3.5. The optics are in clean, bright and unmarked condition. It is without fungus, hazing or speckling and is very clean internally. It is focusing smoothly and accurately. The diaphragm is clean and snappy. The aperture rings clicks positively from f/3.5 down to f/32. It is in near mint cosmetic condition having had only very light and careful previous use. Please view the gallery pictures for full confirmation of cosmetic condition. It is supplied with its original Pentax lens caps. SMC M135/3.5 Serial No: 6834562 PENTAX DIGITAL COMPATIBILITY Pentax *ist D, *ist DS/DS2, *ist DL/DL2, K10D, K20D, K100D/K110D, K200D, K-m, K-x, K-r, K-30, K-50, K-500, K-70, K-7, K-5, K-5 II, K-5 IIs, K-3, K-3 II, K-1, K-1 II, KP, K-01, KS-1, KS-2 and Samsung GX series digital SLRs. Manual exposure mode and manual focus. This is a full-frame lens so the angle-of-view and the 135mm focal length will be true on the new full frame Pentax K-1 DSLR (no crop factor!). On Pentax APS-C digital SLRs it will produce an angle-of-view approximately equivalent to a focal length of 205mm. For compatibility with 35mm film SLRs please see below. SPECIFICATIONS Aperture Range = f/3.5 to f/32. Angle of View (35mm format) = 18°. Minimum Focusing Distance = 1.5m (5ft). Lens Construction (Groups/Elements) = 5/5. Diaphragm Blades = 8. Pentax SMC Optics. Filter Diameter = 49mm. Built-in lens hood. Manual Focus. Weight = 270g. 35mm FILM COMPATIBILITY Compatible for use in manual focus and (M)anual exposure mode with the Pentax K1000, KM, KX, K2, K2 DMD, ME, MX, ME Super, ME-F, MG, MV, MV1, LX; Super A (Super Program), Program A (Program Plus), P30/P3, P30N/P3N, P50/P5, A3/A3000, SFX/SF1, SFXn/SF1n, SF7/SF10, Z-1 (PZ-1), Z-1p, Z-20, Z-50, MZ-S, MZ-3, MZ-5/ZX-5, MZ-5n/ZX-5n, MZ-6/ZX-L, MZ-10/ZX-10 and MZ-7/ZX-7. Not compatible with the MZ-30/ZX-30, MZ-50/ZX-50, MZ-60/ZX-60 and *ist 35mm film SLRs. This Pentax P/K lens can also be used with Canon EOS, Nikon 1, Olympus/Panasonic (OM, 4/3 and Micro 4/3), Minolta/Sony A-mount, Sony NEX E-mount, Leica R, Fuji Fujifilm X-Pro Series and Samsung NX digital cameras with the use of a lens mount adapter available elsewhere on eBay. I endeavour to describe all items accurately. The image(s) shown above is of the actual item for sale and can genuinely be used as confirmation of the item's cosmetic condition. If you have any questions then please feel free to email me and I will answer as soon as possible. In the unlikely event that a buyer believes an item has not been described accurately, then please contact me within 7 days of the item arriving for return and refund (buyer to pay own return postage costs). Please only bid if you wish to buy! Many thanks for taking the time to look at my item.