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Zeiss ZM 21mm f/2.8 Biogon for Leica

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Zeiss ZM 21mm f/2.8 Biogon for Leica

The Zeiss 21 Biogon offers a very wide angle lens with reasonably fast aperture at a reasonable price. Well compared to some other wide angle options its quite reasonable. Its quite popular for landscapes. It has 10 aperture blades yielding nice, smooth out-of-focus highlights.

Zeiss M-mount lenses do not come with a lens hood

Roger’s take: In this focal length I think the Zeiss is a superb value: as sharp as you could dream, very well made. The aperture ring adjusts very distinctly by feel and the focusing ring is quite smooth. Like all of the Zeiss 21mm lenses there is a bit of “moustache” distortion which shows up annoyingly in some architectural photos, but the Leica 21mm has a similar pattern. Honestly, for the price difference I’d go with the Zeiss.

Try and buy: If you have rented this lens from us to try it out, we can deduct the 4 day rental price ($48) from the purchase of a new Zeiss 21 f2.8 Biogon anytime within 6 months of your rental.

Specs:

Filter Size
46mm (nonrotating)
Aperture
f2.8-22
Length
2.9”
Diameter
2.1”
Weight
9 oz.
Minimum Focusing Distance
1.8 feet
Maximum Magnification
.047x
Angle of view: (full frame)
90 degrees
Aperture Blades
9 curved, circular shape
Groups/Elements
7/9
Aspherical Elements
0

Links

MTF Chart:

MTF at full aperture and infinity focus distance. Shown at 10, 20, and 40 lp/mm. The solid lines trace the radical S (sagittal) curve, while the broken lines trace the tangential M (meridional) curve.

If you are bored and don’t understand MTF charts, you can read about them HERE

Lens Diagram:

Pricing

LensRentals.com offers rentals of every length between 4 and 90 days. Some common selections are:

Rental Period Price Day Rate
4 days $49.50 ~$12.38 per day
7 days $66.00 ~$9.43 per day
10 days $89.00 $8.90 per day
14 days $115.50 $8.25 per day
21 days $155.00 ~$7.39 per day
30 days $194.75 ~$6.50 per day
45 days $254.00 ~$5.65 per day
60 days $297.00 $4.95 per day
90 days $382.75 ~$4.26 per day

The shopping cart will automatically update the quoted price as you adjust the length of your rental.

LensRentals also offers an optional damage waiver on this product, limiting your expense should it get damaged while in your possession.

Rental Period Waiver Price Total Price Day Rate
4 days +$7.50 $57.00 $14.25 per day
7 days +$10.00 $76.00 ~$10.86 per day
10 days +$13.50 $102.50 $10.25 per day
14 days +$17.50 $133.00 $9.50 per day
21 days +$23.50 $178.50 $8.50 per day
30 days +$29.50 $224.25 ~$7.48 per day
45 days +$38.50 $292.50 $6.50 per day
60 days +$45.00 $342.00 $5.70 per day
90 days +$58.00 $440.75 ~$4.90 per day

Shipping

LensRentals.com ships via UPS 2-day service, unless your rental requires faster shipping. Return shipping is included in the shipping price, and we include a prepaid return label with your order—all you need to do is bring it to a UPS drop-off location when your rental is complete.

The shopping cart can automatically quote shipping, even for multi-item and oversize orders. Shipping multiple items together offers significant savings over shipping them individually.