Versatile, relatively compact, and compatible with full-frame K-mount DSLRs, the Pentax HD 28-105mm f/3.5-5.6 ED DC WR Lensfrom Pentax HD 28-105mm f/3.5-5.6 ED DC WR Lenswill be a perfect pairing for many shooters thanks to its wide-angle to medium telephoto range. The lens also features an f/3.5-5.6 variable aperture to help keep size down while also utilizing ED glass elements to reduce aberrations. The lens sports both Super Protect and HD multi-layer coatings in order to protect against accidental damage and reduce flaring and ghosting.

Focusing is fast and quiet thanks to the integration of a Supersonic Direct-Drive Motor and the lens has a Quick-Shift feature for fast switching between auto and manual focusing. The lens also focuses as close as 1.64' and it has a 9-blade rounded aperture diaphragm for smooth out-of-focus elements. Additionally, it is dust- and water-resistant with eight seals to protect from intrusion.

K-Mount Lens/Full-Frame Format    Aperture Range: f/3.5-5.6 to f/22-32    ED Glass Elements    Super Protect & HD Multi-Layer Coatings    Supersonic Direct-Drive AF Motor    Quick-Shift Focus System    Minimum Focus Distance: 1.64'    Dust- and Weather-Resistant Design    9-Blade Rounded Diaphragm

Covering wide-angle to medium telephoto perspectives, this versatile 28-105mm zoom offers a convenient option for full-frame K-mount Pentax DSLRs and is also compatible with APS-C models, where it will provide a 43-161mm equivalent focal length range.

Variable f/3.5-5.6 maximum aperture ensures a compact size while offering a wide range of versatile focal lengths.

ED glass elements are featured in the lens design and help to control chromatic aberrations and reduce color fringing for increased clarity and color fidelity.

The High Definition (HD) multi-layer coating is utilized to reduce reflections, flare, and ghosting for improved contrast and color in more trying lighting conditions.

Super Protect coating will help keep the optics safe in the event of accidental impact or if it comes in contact with water or dust.

Supersonic Direct-Drive Motor (SDM) ensures fast, quiet, and smoother autofocus operation.

A rounded nine-blade diaphragm contributes to a pleasing bokeh quality when employing shallow depth of field techniques. It is completely rounded between f/3.5-6.3 when at 28mm and between f/5.6-10 when at 105mm.

A weather-resistant design features eight seals which better permit working in inclement conditions.

Includes PH-RBS62 lens hood to limit flare from light sources.

Optional S-80-120 Soft Lens Case is available to protect lens during transport or storage.

Related Questions and Answers

Q: 1. How many ED elements? How many asph. elements?

A: There is one ED element in this lens.

Q: 2. There is an opening at the bottom of the lens hood. What is its purpose?

A: The opening at the bottom of the lens hood is for easy access to a filter, like a circular polarizer.

Q: 3. Will this lens work for a FF Film Pentax Camera MZ-S, With AF, Last Film Camera 2001, Pentax LX previous Model ?

A: This 28-105mm lens from Pentax is designed for the Full frame K-mount system. So this lens would work on any camera that uses K-Mount.

Q: 4. What is this like compared to the NIKKOR 24-85mm f/3.5-4.5G ED VR? (disregarding focal length coverage).

A: I have never used the Nikkor lens, but I use the 28-105 on my k1 about 75% of the time, with great results. Definitely recommend

Q: 5. Is the lens barrel (including the extension), made of metal or composite (plastic)?

A: The lens barrel is a combination of poly carbonate and metal.

Q: 6. Where can I find the shipping fee? Do you ship to Hong Kong?

A: You may calculate your actual shipping options/order totals by adding the items you want to a shopping cart. It will then list the shipping options, descriptions, ETA's and fees to your location.

Q: 7. Does this work on the pentax k-3

A: Yes the Pentax SMC DA 18-135mm f/3.5-5.6 ED AL (IF) DC WR Lens is compatible with the Pentax K3.

Q: 8. What focal length would this be on a K-x? What would the 35mm equivalent be?

A: The focal length of the Pentax HD PENTAX-D FA 28-105mm f/3.5-5.6 ED DC WR Lens when placed on a Pentax K-X body would be 45-157.5mm.

Q: 9. Will this lens take a 1:1 ratio?

A: We're afraid not. This is not a macro lens. The Pentax smc Pentax-D FA 100mm f/2.8 WR Macro Lens will give you a 1:1 ratio, you may want to consider this lens instead. B&H # PE10028MDFAW - https://bhpho.to/2jipEhn

Q: 10. Can you please tell me why on all the other Pentax lenses the Hoya Alpha MC UV filter is recommended and this lens the Hoya UV Haze NXT HMC filter is recommended?

A: I use a regular UV filter on every lenses I own. It works fine. The only time I change that filter is if I need a special filter to do something star, color enhancing, polarizer . The primary reason I even use a UV filter 90% of the time is to protect my lens from dirt and damage. It is cheaper to purchase a new UV filter than to replace an $800.00 lens.