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Description
Rokinon 100mm f/2.8 Macro Lens for Pentax KK Mount Lens Full Frame Format Aperture Range: f 2. 8 to f 32 One High Refractive Index Element One Extra Low Dispersion Element Ultra Multi Coating 1: 1 Magnification, 1' Minimum Focus Internal Focus; Manual Focus Design Non Rotating Filter Mount Rounded 9 Blade Diaphragm Home in on close up subjects with the Pentax K mount 100mm f 2. 8 Macro Lens from Rokinon , which affords life size 1: 1 magnification along with a minimum focusing distance of 1'.
- K Mount Lens/Full-Frame Format
- Aperture Range: f/2.8 to f/32
- One High Refractive Index Element
- One Extra-Low Dispersion Element
- Ultra Multi-Coating
- 1:1 Magnification, 1' Minimum Focus
- Internal Focus; Manual Focus Design
- Non-Rotating Filter Mount
- Rounded 9-Blade Diaphragm
Home in on close-up subjects with the Pentax K mount 100mm f/2.8 Macro Lens from Rokinon , which affords life-size 1:1 magnification along with a minimum focusing distance of 1'. This manual focus portrait-length lens also incorporates one high refractive index element and one extra-low dispersion element into its design to reduce chromatic aberrations and distortions throughout the focusing range. An Ultra Multi-Coating has also been applied to minimize flare and ghosting for increase contrast and color neutrality. A long focal length lens with close focusing abilities and a high magnification ratio, this macro lens is ideal for making close-up, detailed images of nearby subjects.
- This 100mm f/2.8 lens features a Pentax K mount, and is compatible with full-frame sensors or APS-C sensors, where it will provide a 150mm equivalent focal length.
- A bright f/2.8 maximum aperture is useful for working in a variety of lighting conditions and the minimum f/32 aperture helps to attain a long depth of field when working with close-up subjects.
- One high refractive index element and one extra-low dispersion element help to control chromatic aberrations and minimize distortions throughout the focusing and aperture ranges.
- An Ultra Multi-Coating has been applied to lens elements to reduce lens flare and ghosting for increased clarity, contrast, and color fidelity.
- Featuring a macro design, this lens affords a 1:1 maximum magnification ratio along with a minimum focusing distance of 1'.
- Benefitting working with especially close subjects, this manual focus lens features an internal focus design to maintain the overall lens length during use. Additionally, the front filter mount does not rotate when focusing to better enable the use of polarizers, graduated ND, and other filter types that require precise positioning.
- A rounded nine-blade diaphragm contributes to a pleasing out-of-focus quality when using selective focus or shallow depth of field techniques.
- This lens features a mechanical aperture coupling that permits the use of aperture priority and automated exposure modes, as well as the ability to control the aperture setting with Pentax DSLRs.
UPC: 084438764420
In the Box
Rokinon 100mm f/2.8 Macro Lens for Pentax K
- Front and Rear Lens Caps
- Lens Hood
- Limited 1-Year Warranty
| Performance | |
|---|---|
| Focal Length | 100mm Comparable 35mm Equivalent on APS-C Format Focal Length: 150 mm |
| Aperture | Maximum: f/2.8 Minimum: f/32 |
| Camera Mount Type | Pentax K |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor Pentax Digital (APS-C) |
| Angle of View | 24.8� |
| Minimum Focus Distance | 1.01'�(30.7 cm) |
| Maximum Reproduction Ratio | 1:1 |
| Elements/Groups | 15/12 |
| Diaphragm Blades | 9, Rounded |
| Features | |
|---|---|
| Autofocus | No |
| Physical | |
|---|---|
| Filter Thread | Front: 67 mm |
| Dimensions (DxL) | Approx. 2.85 x 4.79" (72.5 x 121.6 mm) |
| Weight | 1.56 lb (710 g) |
| Packaging Info | |
|---|---|
| Package Weight | 2.15 lb |
| Box Dimensions (LxWxH) | 7.7 x 5.2 x 5.1" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Nice divider
Color: Plum and Birds, Size: 4 Panel
Really like this divider. Lightweight and easy to fold. Item matches description and images.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2025
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again.
I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers.
With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands.
They shift. They lose their shape. They get holes in them and wear out too fast. Not these.
I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ......
I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach.
The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new.
Like I said - I am back to buy them again. Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2021
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
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