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Description
Mitakon Zhongyi 20mm f/2 4.5x Super Macro Lens for Pentax KPentax K Mount Full Frame Format Aperture Range: f 2 to f 16 Magnification Range: 4. 5x to 4x Minimum Working Distance: 0. 8" Manual Focus Operation Metal Lens Barrel 3 Blade Diaphragm A specialized optic for truly close up shooting, this 20mm f 2 4. 5x Super Macro Lens from Mitakon Zhongyi is designed for Pentax K mount DSLR cameras. Offering a magnification range of 4. 5x to 4x, and a minimum working distance of 0. 8", this lens is solely designed
- Pentax K Mount/Full-Frame Format
- Aperture Range: f/2 to f/16
- Magnification Range: 4.5x to 4x
- Minimum Working Distance: 0.8"
- Manual Focus Operation
- Metal Lens Barrel
- 3-Blade Diaphragm
A specialized optic for truly close-up shooting, this 20mm f/2 4.5x Super Macro Lens from Mitakon Zhongyi is designed for Pentax K-mount DSLR cameras. Offering a magnification range of 4.5x to 4x, and a minimum working distance of 0.8", this lens is solely designed for producing greater-than-life-size images of small objects without the need of extension tubes or other accessories. Its compact form-factor makes it ideal for placing into tight or awkward shooting angles and a metal lens barrel offers durability and rigidity.
- Designed for full-frame Pentax K-mount DSLRs, this lens can also be used with APS-C-format models, and will provide a 30mm equivalent focal length.
- Specialized super macro lens is designed for working with close-up subjects and provides a maximum magnification of 4.5x and a minimum magnification of 4.0x.
- Minimum working distance (distance from front of lens to subject) is 0.8"; the lens does not offer infinity focus.
- Manual focus control for fine-tuning focus position and a manually adjustable aperture ranges from f/2 to f/16 for adjusting exposure and depth of field.
- Six elements in four groups optical design provides consistent edge-to-edge sharpness and illumination.
- Wide-angle focal length pairs with the high magnification range for producing dynamic compositions.
- Metal lens barrel is both rigid and durable.
| Performance | |
|---|---|
| Focal Length | 20mm |
| Aperture | Maximum: f/2 Minimum: f/16 |
| Camera Mount Type | Pentax K |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
| Minimum Focus Distance | .79" (20 mm) |
| Magnification | 4.5x |
| Elements/Groups | 6/4 |
| Diaphragm Blades | 3 |
| Features | |
|---|---|
| Autofocus | No |
| Physical | |
|---|---|
| Filter Thread | None |
| Dimensions (DxL) | Approx. 2.44 x 2.36" (62 x 60 mm) |
| Weight | 8.11 oz (230 g) |
In the Box
Mitakon Zhongyi 20mm f/2 4.5x Super Macro Lens for Pentax K
- Limited 1-Year Warranty
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Just fine if you have simple needs...
Color: Black/Digital/Black/Green
Exactly what I needed: a cheap, durable wrist watch. The only thing it was lacking were instructions, but about 5 minutes of messing with the buttons got it set up
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Nice watch
Color: Black/Digital/Black/Green
Good watch
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Surprising good!
Color: Brown/Blue/Stainless Steel
I purchased this watch on whim, I was pleasantly surprised at how good it looks. I just love the design of the face. THe quality is good. I did change the strap for a premium leather. It comfortable to wear. Worth the money in my opinion.
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Reviewed in the United States on October 2, 2025
★★★★★ 5
Really nice and unique watch
Color: Black/Black/Black
This watch really caught my eye on Amazon. Every once in awhile you order an item and it looks better in person than it does in a picture. This is one of those items. It looks really great in person! I collect mostly unique watches that look different than a normal watch. What is really unique about this watch is that it has 2 separate second hands. One that is always ticking for the time and another one that starts going with the Chronograph. Not sure I've ever seen that on another watch. Sure I've seen subdials that do this, but this is 2 full size second hands. And they look different also so they don't get confused. I've never seen this one in a store which is a shame because I think Timex has some great watches right now and I don't think a lot of people know about them.
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Reviewed in the United States on December 12, 2025
★★★★★ 4
nice but.
So, this really is a nice watch and if you can get it on sale it's a bargain. The bracelet is junk, with hollow end links. I would recommend replacing that with some type of fabric or rubber type strap. The reason I took one star off is because the chrono function isn't the best style. If you don't plan to use it much or only plan to use it for 10 minutes or less that's fine. More than that and the minutes counter flies back to zero and starts counting again which can be confusing and the next register is the combo 24hr and chrono minutes/hours counter which isn't easy to use for timing say 30 minutes or so. The standard type chrono counters are way better by design and Timex sells another one with standard counters with neat multicolored registers for less money.
Otherwise it's a solid watch comfortable to wear not too big or thick or heavy. Of course it has mineral glass for the xtl so you need to be careful or it will scratch pretty easily but for the price.....
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Reviewed in the United States on September 7, 2024